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ki1
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5871 Posts |
Posted - 12/07/2021 : 21:09:03
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quote: Originally posted by hawkeye
quote: Originally posted by cwchang2100
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http://www.mdc.idv.tw/mdc/navy/euronavy/sf3500-aaw.htm ²î¤j¥X©_Âݪº³Ì¨Î½d¨Ò¤§¤@ ¤»¤d¾·¯Å°Ï°ì¨¾ªÅÄ¥ ¥un¤@¦Ê»õNTD,Áٸ˱o¶iĬ¿D°®¶õ (¥±`¶}°_¨ÓÁÙ¤ñ¬£²z¬Ùªo) |
Edited by - ki1 on 12/07/2021 21:09:43 |
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¤p¤ò
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Taiwan
10742 Posts |
Posted - 12/07/2021 : 21:23:56
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¤£ª¾¹D¬°¦ó«Ü¦h¤H³£«Ü·QÅý¥xÆW±µ¦¬LCS,§Ú´£¤@Ó°ê»Úª©ªº¦h¥\¯à¨µÅÞÄ¥µ¹¤j®a»D¬Ý¬Ý»¤£»¡C ¥Dn¾Ô¨t¬O¬ü°êªº¬¥°¨¹p¯«¿Õ®æ¤§Ãþªº¤j«¬x¤õ°Ó´£¨Ñ»P¾ã¦X¡A¹ïªÅ¹p¹F¬OTRS 3D/4D¨t¦C©ÎSmart-s mk2,·Ó©ú¹p¹F¬OCea mount¥|±©Î¨â²ÕSTIR¡A¥i¬I©ñ¨â¿´°t³Æ»´«¬³½¹p»P¨I®û¦¡Án¯Çªº¤Ï¼çµL¤H¸¥¡A¥i¥H·f°tMQ-8C ASW²Õ¦¨®üªÅ¤Ï¼çºô¡A¦³¨âÓMK32¤TÁp¸Ë³½¹pµo®g¾¹¡A¦³¤@¨ì¨â²ÕMK56 VLS´£¨Ñ12¨ì24µoESSM,¨â²Õ¨ì¥|²Õ¥|Áp¸Ë¤ÏÄ¥¸¼uµo®g¾¹¡A¥i´£¨Ñ³½¤e¡ANSM,LRASMµ¥ªº¿ï¾Ü(³Ì¦h16µo)¡A¦³¤@²Õ««µo¦aº»¤õ¸¼uµo®g¾¹¡A¦³ÓSTRALES 76§Ö¯¥©Î¬ü»s57mm§Ö¯¥¡A¨âªù30mm§Ö¯¥¡A¤@²Õ¤½¦Ï©Î®ü¤½¦Ï¡A²î§ÀÁÙ¥i¥H¦¬©ñµw¾ó¥Ö¸¥*2¡A«á¤è¾ã¸É¥ÒªOÁÙ¯à°t¸m¦UºØ¥\¯àªº¼Ò²Õ¤Æ³fÂd¤@¨ì¨âÓ¡A¦³¤zÂZ¤õ½bµo®g¾¹µ¥µ¥¹q¾Ô»P¨¾±s¸Ë¸m¡C ²îÅé¬Oµy·L©ñ¤jªº¶ð¦¿¥H¯à¦b¨â°¼¦¬©ñ¤Ï¼çµL¤H¸¥¡C±Æ¤ô¶q¤£¤j©ó900¾·¡A²îÅé³y»ù»·§C©ó¬ü°ê¥Í²£ªºLCS,§A»¡³o¼Ë¦³¨S¦³¤ñLCS»¡H
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Edited by - ¤p¤ò on 12/07/2021 21:50:37 |
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ian125
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8327 Posts |
Posted - 12/07/2021 : 22:12:10
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ÕÙ»¡¹L«Ü¦h¦¸¤F¤£n¦A®³¤¦³Á¥X¨Ó±Ï´©¡A¨º¿´²î¤WªF¬å¦è¬å«Ü¯Ê¸Ë³Æ 35§Ö¯¥§ó¬O¼Ò«¬(¥¿¦nMDC´N¦³·Ó¤ù¬°ÃÒ)¡A¤£ª¾¹D²{¦b´«¯u¯¥¤F¨S... |
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ki1
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5871 Posts |
Posted - 12/07/2021 : 22:37:13
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quote: Originally posted by ian125
ÕÙ»¡¹L«Ü¦h¦¸¤F¤£n¦A®³¤¦³Á¥X¨Ó±Ï´©¡A¨º¿´²î¤WªF¬å¦è¬å«Ü¯Ê¸Ë³Æ 35§Ö¯¥§ó¬O¼Ò«¬(¥¿¦nMDC´N¦³·Ó¤ù¬°ÃÒ)¡A¤£ª¾¹D²{¦b´«¯u¯¥¤F¨S...
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Edited by - ki1 on 12/07/2021 22:51:37 |
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MCSEG
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Taiwan
1910 Posts |
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ki1
¸ô¤H¥Ò¤A¤þ
5871 Posts |
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metalfinally
¸ô¤H¥Ò¤A¤þ
2805 Posts |
Posted - 12/08/2021 : 01:49:54
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type-31¨º¬O¸ò«X°ê¤@¼ËªºÀ£º^¼t°Ó»ù®æ¡A¼t°Ó¯à¤£¯à¦b®¹¥]»ù®æ¤º°µ¥X¨Ó¤£¥Î°l¥[¹wºâÁÙ¬O¥¼ª¾¼Æ ¤¦³Áªº»ù®æ¬O³q¿±«eªº»ù®æ¤F¡A¦A¤£ª¾¹D´X¦¸ªº¶q¤Æ¼eÃP«á¡A¥L¤W±ªº¹q¤l³]³Æ¤]³q¿±¨ì¤£·|¹³·í®É¨º»ò«K©y¡C
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¦Ó¥BIver Huitfeld¤°»ò³£¶ë¤¤¶¡ªº³]p¤]Åý¥L«¤ß¤ñ¦P¯Å²îÁÙ°ª¤@ÂI https://www.flickr.com/photos/tommcnikon/31435671428/ https://twitter.com/EtatMajorFR/status/1332987669530484736 |
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MistOfWar
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USA
1511 Posts |
Posted - 12/08/2021 : 01:52:43
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quote: ¹p¹F´ú¶Z¤£´N¬O¾a®É¶¡®t??? þÓ¹p¹F¤£·|¦³®É¶¡®t©O??
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cwchang2100
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Cayman Islands
17243 Posts |
Posted - 12/08/2021 : 02:56:37
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quote: Originally posted by MistOfWar
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³Â³¶©M¼Ð·Ç¸¼u¡A ¦b»¡©ú®Ñ¤W´N»¡¬O¥Î³æ¯ß½Ä´M¼Ð¾¹¡A ½Ð°Ý³o¨Ç¸¼u¦b±µ¦¬«H¸¹®É¡A ¦³¨S¦³¦bºâ¶ZÂ÷¡H
(µª®×¬O¨S¦³¡A ©Ò¥H§A»¡³æ¯ß½Ä¤Ñ½u¤@©w·|µ¹§A¶ZÂ÷¸ê®Æ¬O¿ùªº¡Aµ¹¤£µ¹¶ZÂ÷¸ê®Æ¨ú¨M©ó¹p¹Fªi§Î¦³¨S¦³®e³\®É¶¡®t¡A ¹³CW°T¸¹®Ú¥»¤£µ¹§A®É¶¡®t¡A ¥Î³æ¯ß½Ä´M¼Ð¾¹¤]´N¨S¦³¶ZÂ÷¸ê®Æ)
§A¯u¬O½ÞÀY§r! «H¸¹¥´¨ì¥Ø¼Ð,¦^¨ÓªºEcho´N¦³®É¶¡®t,«ç»ò·|¨S¦³??? ¹p¹Fªº°ò¥»ì²z¬O¤°»ò?? ¤£n³s°ò¥»³£©ñ±ó°Õ! Radar = radio detection and ranging «ç»òdetect?? «ç»òranging. ¤£nÁ¿¤@¨Ç¹H¤Ï°ò¥»±`ÃѪº¶Ì¸Ü!
quote: Originally posted by MistOfWar
³o»P®É¶¡®tªº°ÝÃD¤@¼Ë¡A ¦pªGªi§Îprf©M«H¸¹ªø«×¥»¨´N¤£¾A¦X°µdoppler´úÀW²v®t¡A §A¥Î³æ¯ß½Ä´M¼Ð¾¹¤]¤£·|À°¨ì§A¡C
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quote: Originally posted by MistOfWar
¨ä¹ê¥æ¤â´X¦¸¥H«á¡A §Ú©úÅã·Pı¨ì§A´Nºâ¬O¹q¤l±M·~¡A ¤]¬O°¾¤¸¥óÃþªº¡A §A¹ï¾ãÓ¹p¹F¨t²Î²z¸Ñ¦³°¾®t¡A §AÀ³¸Ón¦³°ò¥»ªº¦Ûª¾¤§¦W¡C
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quote: Originally posted by MistOfWar
¯«¬Þ¬OStacked beam¡H ¤Ñ¤}¹p¹F¬OStacked beam¡H ·R°êªÌ¬OStacked beam¡H
³o¨Ç³q³q³£¤£¬OStacked beam¹p¹F¡A §A¤£ª¾¹D´N¯u¬OµLª¾¤F¡C ³o¨Ç¹p¹F´N¬O¥Îµ§ª¬ªi§ô·d·j¯Áªº¡C
©Ò¥H§AÁÙ¬O¨S¦^µª§Úªº°ÝÃD¡A §An«ç»ò¥Î2«×ªºµ§ª¬ªi§ô¡A ¡¨ºâ¡§¥X¨Ó¼Ä¾÷¦b200¤½¨½¥~¬O14500-15500m°ª«×¡A ¦Ó¤£¬Oªi§ô°ª«×ªº12000m-18000m¡H
§Ú¥u¬OÁ|¥X¬YÓ°ª«×°»´úªº§Þ³N.¨Ã¨S¦³»¡"¥þ³¡"ªº¹p¹F³£n¥Î¦P¤@ºØ§Þ³N. ¦ó¥²´o²Û¦¨«ã???
Stacked beam«ç»òºâ??
³o¸Ì¦³¿Õ®æªº±M§Q,¸Ì±¦³Á¿«ç»òºâ,½Ð¦Û¤v¬Ý,§Ú¥i¤£t³d¸Ñ»¡. ¨þ¨þ https://patents.google.com/patent/US4649389A/en Stacked beam radar and target height measurement extractor especially for use therein
«Ü¦h§Þ³N¤£¬O§æ§æ¤â«ü´Nºâ¥X¨Óªº,n¦³¤½¦¡©M¸gÅç°Ñ¼Æ. ¤£¹Lºô¸ô¤W³£¦³¸ê®Æ,¦³¿³½ìªº¸Ü,½Ð¦Û¤v§ä¥X¨Óºâ.
quote: Originally posted by MistOfWar
¹Ï¬O§A¶Kªº°Ú¡A ¨º§A«ç»ò¤£´±¦^µª¨ì©³¬OþÓ Block¦b°µMTIªº¡H¡H
¨ä¹ê§ÚÃiªº³r§Aª±¤F¡A ¦]¬°§AMTIªº¹Ï®Ú¥»´N¶K¿ù¤F¡C
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µª®×¬O¡A §A¶Kªº¹Ï¤¤®Ú¥»´N¨S¦³Block¬O¦b°µMTIªº¡A·dMTI³B²z¤@©w¬O¦bPhase Detector¤§«áªº¨Æ±¡¤F¡A §Aªº¹Ï¥u¥]¬A¨ì¤FPhase Detector¡A ¦ý¨S¦³¤§«áªºªF¦è¡C
§AÀ³¸Ó´N¬O¹³§A»¡ªº¡A Google MTIµM«á¿ï¾ÜImage¡A µM«á¶K¥X¨Ó¡A °ÝÃD¬O³Â·Ð¬Ý¤@¤U´£¨Ñimageªº¤å³¹¦n¶Ü¡A ³o¹Ï¬O¦b»¡MTI¤§«eªº¨Æ¡A ¬O¤@Ógeneric antennaªºblock diagram¡C ¤£¬O¯u¥¿·dMTIªº¹Ï°Ú¡C
³o¤£¬O²Ä¤@¦¸§A¶K¿ù¹Ï¡A µª«D©Ò°ÝÁÙ·Q¥Î½|¤H¨Ó·e¶ë¡A §A³oºØÅG½×ºë¯«ºâµL®¢ªº¤F¡C
https://www.electronicsandcommunications.com/2019/09/moving-target-indicator-radar-block.html Moving Target Indicator Radar Block Diagram
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MistOfWar
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USA
1511 Posts |
Posted - 12/08/2021 : 03:58:16
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quote:
§A¯u¬O½ÞÀY§r! «H¸¹¥´¨ì¥Ø¼Ð,¦^¨ÓªºEcho´N¦³®É¶¡®t,«ç»ò·|¨S¦³??? ¹p¹Fªº°ò¥»ì²z¬O¤°»ò?? ¤£n³s°ò¥»³£©ñ±ó°Õ! Radar = radio detection and ranging «ç»òdetect?? «ç»òranging. ¤£nÁ¿¤@¨Ç¹H¤Ï°ò¥»±`ÃѪº¶Ì¸Ü!
©~µM¦³¥Õ·ö»{¬°¯ÂCW¥i¥H®³¨Ó´ú¶Z....
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§A¬O¤£ª¾¹DCW¥b¥D°Ê·Ó©úªºmonopulse¸¼u¾É¤ÞÀY¡A «Ü¦h´N¬O´ú¤è¦ì¨¤´údoppler¦ý´N¤£´úecho®É¶¡®t¶Ü¡H §A³s³o³£¤£ª¾¹D¡A ¨ºÁÙ´±¦b§Ú»P¨ä¥Lºô¤Í°Q½×¸¼u¾É¤Þ°ÝÃDªº®ÉÔ¨g§p¤°»ò¡H¡H
quote:
§Ú¥u¬OÁ|¥X¬YÓ°ª«×°»´úªº§Þ³N.¨Ã¨S¦³»¡"¥þ³¡"ªº¹p¹F³£n¥Î¦P¤@ºØ§Þ³N. ¦ó¥²´o²Û¦¨«ã???
Stacked beam«ç»òºâ??
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©Ò¥H§AÁÙ¬O¨S¦^µª§Úªº°ÝÃD°Ú¡A ¯«¬Þ¤Ñ¤}·R°êªÌ³o¨Ç¬O«ç»ò¥Î¬ù2«×ªºµ§ª¬ªi§ô¡A ¡¨ºâ¡§¥X¨Ó¼Ä¾÷¦b200¤½¨½¥~¬O14500-15500m°ª«×¡A ¦Ó¤£¬Oªi§ô°ª«×ªº12000m-18000m¡H
quote:
¤Ñ§r! ¤H®a¤£¬½¬½¥´§AªºÁy,§AÁÙàm°_¨Ó¤F??? §Ú§âURL¶K¥X¨ÓÅo!
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quote:
The output of the phase detector is the Doppler frequency.
§Aªº¹Ï³Ì²×output¥u¬ODoppler frequency¡A ¦ý¨S»¡¬O¦p¦ó¥Î³oÓ¸ê°T°µMTIªº°Ú¡C
§A¤£¬O»¡ª¾¹DMTI¡§ºâªk¡¨¶Ü¡H ¨º§AÀ³¸Ó«ÜÀ´°Ú¡A §A¥H¬°MTI¥u¨ìDoppler frequency´Nµ²§ô¤F¶Ü¡H ©Ò¥H§AÅãµM¤£À´¹À¡C
¯u¥¿ªºµª®×¬ODelay Line Canceler (60¦~¥N¶}©lµo®iªºMTI§Þ³N¡A ¨ä¡¨ºâªk¡§¬O°ò©óDelay Line Cancelerªº¡A ¬Ý¤º¤å´Nª¾¹D) https://www.tutorialspoint.com/radar_systems/radar_systems_delay_line_cancellers.htm
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°ò¥»»P§Aµ¹ªº¹Ï¤@¼Ë¡A ¦ý¤ñ§Aªº¹Ï§¹¾ã¡A ¼g¥XPhase Detector¤§«á¡§to delay line canceler", delay line canceler¤~¬O¯u¥¿¦b°µMTI³B²zªº³¡¥÷¡A ¦Ó¤£¬O¥uµ¹¥XDoppler frequencªºPhase Detector¡C
¹Ï¤G¡GSingle Delay Line Canceller
¹Ï¤T¡GDouble Delay Line Canceller
©Ò¥H¡¨§¹¾ã¡§ªºMTI¨t²Î±Ôz¡A ¬O¹Ï¤@+¹Ï¤G©Î¹Ï¤@+¹Ï¤T¡A ¨Æ¹ê¤W¯u¥¿ªº¹p¹F¨t²Î·|¥Î¨ì¤ñDouble Delay Line CancellerÁ٧󰪪ºorder¡C
¦Ó¬JµM¬ODelay Line Canceller¡A ¡¨Single¡§ Delay Line Canceller ´N¥²¶·¥´¥X¨âÓPulse (§A¥²¶·¦³¨âÓ Pulse, ¤~¯à«e«áCancel°Ú)¡A ¡¨Double¡§ Delay Line Canceller´N¥²¶·¬O¤TÓ Pulse¨Ó·dCancel¡A Triple Canceller´N¥²¶·¬O¥´¥X¥|ÓPulse.... ¥H¦¹Ãþ±À¡C
©Ò¥H§Ú¤~»¡MTI¥²¶·¬O¯S®íªºªi§Î°Ú¡A §AY¬O¥ÎDouble Delay Line Canceller¡A §A¹p¹Fn°µMTIªº®ÉÔ´N¥²¶·¥´¬O¤@Ó3 Pulse²Õ¦¨ªºMTIªi§Î¡C §A³Ìªì´N¦¹ÂIªº¨g§p«Ü©_©Ç¡C
Delay Line Canceller¬°°ò¦ªºMTI¹p¹F¨t²Î¤§©Ò¥H¦b60¦~¥N´N¥X²{¡A ¨º¬O¦]¬°Analog·dDelay²³æ¡A ®Ú¥»´N¤£»ÝnFFT/Doppler Filter(60¦~¥N¤]¨S·L¹q¤l¤ä´©³o¨Ç)¡A 80¦~¥N·L¹q¤l¶}©lµo¹F¡A ©Ò¥H¶}©l§âDelay Line Canceller¥Î¼Æ¦ì¥h°µ(¨Ò¦p¦s¦bmemory¸Ì±+Time Delay)¡C ¦ýMTI¦]¬°»ÝnCancel, ©Ò¥H¤£¬O´¶³qªº³æPulse·j¯Áªi¡A¤@©w³£¬O¯S§O¥´¥Xªº½Æ¼ÆPulse¡C
§Ú³o¼Ë¤ñ¸û§¹¾ãªºÁ¿¸Ñ¡A §A¦³¤ñ¸ûÀ´¤F¶Ü¡H ª¾¹D¦Û¤vµª«D©Ò°Ý¦bþ¸Ì¤F¶Ü¡H ÁÙ¬O§AnÄ~ÄòµL®¢¤U¥h¡H |
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Reinherd Von Hwang´£·þ
§Ú¬O¦Ñ³¾
USA
9567 Posts |
Posted - 12/08/2021 : 08:17:54
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quote: Originally posted by BlueWhaleMoon
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§ÚÃhºÃ4000¾·ªº²î¬O§_¯àµo´§SM2ªº©Ê¯à
¤£½Í¨ä¥L¤°»ò«á¶Ô°ÝÃD¡A¥u½Í¯à¤£¯à¸Ë/¥´SM-2
¨ä¹ê¥i¥H°Ñ¦Ò¥[®³¤jªº³¡±Ú¯ÅÅX³vÄ¥ ¦]¬°§Ú¦³©¯¤W¥h°ÑÆ[¹L¡A©Ò¥H¹ï³o¿´²î¨ä¹ê¦L¶H«Ü²`¡A§Úı±o¬O¤@´Ú²î§ï¨}ªº¨å½d
http://www.mdc.idv.tw/mdc/navy/othernavy/iroquois.htm
¤j®a¥i¥H¬ÝA¬¶¦ì§ï¸Ë«á¡A¸Ë¤F¥|®MMK-41µo®g¾¹¡A¥Î¨Ó¥´SM-2MR¨¾ªÅ¸¼u¡C
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1. ¸ËMK-41¡A¥´SM-2¸¼u¡AÀ³¸Ó¤£¬O¤jÄ¥ªº±M§Q¡A4000~5000¾·ªº¤¤¤p«¬¨µ¨¾Ä¥¤]¥i¥H°µ¨ì
2. ¦ý¬O¸Ë¤j«¬ªº¬Û¦ì°}¦C¹p¹F´N¥¼¥²¤F¡A¦]¬°³o¤@¿´¤]¨S¦³¸Ë¤j«¬¹p¹F¡C ÁÙ¬O¥Î¶Ç²Îªº¹ïªÅ¹p¹F¡C
3. §Úı±o³o¤@¿´²î°¦©Ò¥H§ï¸ËÁٺ⦨¥\¡A¥ú¬OÄ¥çF§ï¸Ë«á´N¯à¸Ë4®yMK-41©M¤@ªù76§Ö¯¥¡C (§Ú¬Æ¦Üı±oÁÙ¥i¥H¸Ë§ó¦h)¡C ÃöÁä¬O³o¿´²îªºì©l³]p°÷D/¼e¡C
³¡±Ú¯Å¼e¼e15.24¤½¤Ø¡Aªø129.8¤½¤Ø¡C©M©Ôªk¸Ãþ¦ü¡C
¦ý¬O¹ï¤ñ¬ü°ê¨t²Îªº¿Õ§J´µ¯Å¡Aªø134¤½¤Ø¡A¼e¤~12.5¤½¤Ø¡C ©Î¬O¬£¨½¯Å¡Aªø136¤½¤Ø¡A¼e14¤½¤Ø¡C
³¡±Ú¯Å´N¼e¦h¤F¡A©Ò¥H§Úı±o¥u¬Ý²î°¦¤j¤pªº¸ÜÀ³¸Ó¬O¯à¸ËSM-2¸¼u¡C ¥u¬O¹p¹F¬O¤@¤j°ÝÃD¡A¥H¤Î¯àªº¸Ü¡A²î°¦³]pÁÙ¬O¼e¤@ÂI¤ñ¸û¦n¡A¤è«K¤é«á§ï¨}¡C
¯à¤£¯àµo´§§Ú´N¤£ª¾¹D¤F¡An¾a¨ä¥L±M®a¨Ó»¡¡C
³Ì«á¸É¥R¤@¤U³¡±Ú¯ÅÅX³vÄ¥¡A§O¬Ý³o¿´²î±Æ¤ô¶q¤£¤p¡A§ï¨}«á°ª¹F5150¤½¾·¡C ¤ñ¦¨¥\¯Å¡A¬Æ¦Ü©ó¤ñ®üx쥻ªºÂí®üpµeÄ¥ÁÙn¤j(¶W¹L4500¾·)¡C ¦ý¬O¨ä¹ê³o¿´²îªºªø¼e¤j¤p¥u¤ñ©Ôªk¸¤j¤@ÂI¦Ó¤w¡C §Ú̪º±d©w¯Åªø125¤½¤Ø(µu³¡±Ú¯Å¤¤½¤Ø)¡A¼e15.4¤½¤Ø(²¤¼e©ó³¡±Ú¯Å)¡C
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Edited by - Reinherd Von Hwang´£·þ on 12/08/2021 08:40:32 |
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¤p¤ò
§Ú¬O¦Ñ³¾
Taiwan
10742 Posts |
Posted - 12/08/2021 : 09:09:41
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¥HV«¬²î©³¨Ó¬Ý¡A¼e¤@ÂIªº²î¡AVLS´N¯à®I±o¸û²`¡A¤£»Ýn¬ð¥X¥ÒªO¡C ¯à¤£¯àµo´§SM-2ªº©Ê¯à¡A¹p¹F¬Ý±o°÷»·¡A·Ó©ú¹p¹F¦P®É§@·~ªºªi§ô©Î¬OÀW¹D©M¥\²v°÷±j¡A´N¦³¾÷·|¯à°÷¦P®É±µ¾Ô¨ì³Ì¤j¶ZÂ÷¡C ¥H«e«Ü¦h³]p³£¬O¥ÎÃþ¦üSTIR¨ººØ·Ó©ú¹p¹F(¾É¤Þ§¹«e¤@µo¤~¯à¾É¤Þ²Ä¤Gµo)¡A²{¦b¦³¤F¬Û¦ì°}¦C·Ó©ú¹p¹F¡A´N¯uªº¯à°÷¦h¤u§@·~¡A«ü¦h¥´¦h¡C ¸Ü»¡¤£ºÞþ¤@ºØMK41¡A¦Ü¤Ö³£n¤»¦Ì¦h¨ì§Ö¤K¦Ì²`«×¡A¯à°÷¦b³]p®É¡AÝÅU¬ï²`»P«¤ßÅܤơA¤~¯à§¹¬üªº¸Ë¤WMK41¡A¨ä¥Lªº§ïªk¦p¤g¦Õ¨ä¿D¬w§ï¬£¨½¯Å¡A³£ºâ¬Oµw¤W.....
** ¤p¤òªº·s¤Û·QªÅ¶¡³vº¥´_¬¡¤¤(·s¼W3D¹Ï³á).....** http://lordmrx.pixnet.net/blog Åwªï°ÑÆ[ |
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¤p¤ò
§Ú¬O¦Ñ³¾
Taiwan
10742 Posts |
Posted - 12/08/2021 : 09:15:35
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¥t¥~§Ú¤£¬O«ÜÀ´¹p¹F¡A¥u¬O¦³Ó¤pºÃ°Ý¡C ©T©wªi§Îªº³sÄòªi¡A¹J¨ìÀR¤îªº¥Ø¼Ð¡A¦^ªiªºÀW²vÀ³¸Ó¬O¤£ÅÜ ©T©wªi§Îªº³sÄòªi¡A¹J¨ì»Pªi§ô¦P¤è¦V©Î¤Ï¤è¦V²¾°Êªº¥Ø¼Ð¡A¦^ªiªºÀW²v·|ÅܤơC ©Ò¥H©T©wªi§Îªº³sÄòªi¥i¥H´ú³t¦ý¤£¯à´ú¶Z¬O§a.....
¦ý¬O¦pªG§â³sÄòªiÅܧΡA´N¯à¨Ì·Ó¦^ªi®É¶¡´ú¶Z¬O§a....
** ¤p¤òªº·s¤Û·QªÅ¶¡³vº¥´_¬¡¤¤(·s¼W3D¹Ï³á).....** http://lordmrx.pixnet.net/blog Åwªï°ÑÆ[ |
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MistOfWar
¸ô¤H¥Ò¤A¤þ
USA
1511 Posts |
Posted - 12/08/2021 : 09:25:12
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quote: ¦ý¬O¦pªG§â³sÄòªiÅܧΡA´N¯à¨Ì·Ó¦^ªi®É¶¡´ú¶Z¬O§a....
¹ï°Ú¡A ¹³FMCW´N¥i¥H´ú¶Z |
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davidboy
¸ô¤H¥Ò¤A¤þ
3574 Posts |
Posted - 12/08/2021 : 09:34:25
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quote: Originally posted by ¤p¤ò
¥t¥~§Ú¤£¬O«ÜÀ´¹p¹F¡A¥u¬O¦³Ó¤pºÃ°Ý¡C ©T©wªi§Îªº³sÄòªi¡A¹J¨ìÀR¤îªº¥Ø¼Ð¡A¦^ªiªºÀW²vÀ³¸Ó¬O¤£ÅÜ ©T©wªi§Îªº³sÄòªi¡A¹J¨ì»Pªi§ô¦P¤è¦V©Î¤Ï¤è¦V²¾°Êªº¥Ø¼Ð¡A¦^ªiªºÀW²v·|ÅܤơC ©Ò¥H©T©wªi§Îªº³sÄòªi¥i¥H´ú³t¦ý¤£¯à´ú¶Z¬O§a.....
¦ý¬O¦pªG§â³sÄòªiÅܧΡA´N¯à¨Ì·Ó¦^ªi®É¶¡´ú¶Z¬O§a....
连续ªi¥i¥H测¶Z¡A连续ªiªº频²v¬O¤£断变¤Æªº¡A频²v«ö锯齿¡B¤èªi¡B¤T¨¤¡B编码调¨î³£¥i¥H¡C¥H³Ì简单ªº¤T¨¤调¨î连续ªi来说¡A¥u»Ýn¹p达¤À别记录¨C¤@个调¨î©P´Á¤¤¡A¤W¤Éªu©M¤U°ªu¬Y¤@时¨è®g¥Xªi©M¦^ªiªº频²v®t£Gf1©M£Gf2¡C ¥Î£Gf1+£Gf2¥i¥H±o¨ì¥Ø标¶ZÖáF ¥Î£Gf1-£Gf2¥i¥H±o¨ì¥Ø标³t«×¡C ©Ò¥HFMCW连续ªi¹p达¥i¥H¦P时§¹¦¨测¶Z©M测³t¡C
这个ÊI¯¸¬O学习¹p达ª¾识ªº¦n¦a¤è¡C https://www.radartutorial.eu/02.basics/Frequency%20Modulated%20Continuous%20Wave%20Radar.en.html |
Edited by - davidboy on 12/08/2021 09:40:50 |
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cwchang2100
§Ú¬O¦Ñ³¾
Cayman Islands
17243 Posts |
Posted - 12/08/2021 : 09:51:05
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quote: Originally posted by MistOfWar
©~µM¦³¥Õ·ö»{¬°¯ÂCW¥i¥H®³¨Ó´ú¶Z....
·Ó©ú¹p¹F¤@¶}´N´X¬í¨ì10´X¬í¡A ¦Ó¥B¬O¯ÂCW³sÄò«H¸¹¡A þ¨Óªº®É¶¡®t¡H §A¬O¤£ª¾¹D¦³±Mªù®³¨Ó´ú³t¡A ¦ýµL´ú¶Z¯à¤Oªº¹p¹F¶Ü¡H ½Ö³W©w¹p¹F´N¤@©wn¦³Echo®É¶¡®t¡H¡H
§A¬O¤£ª¾¹DCW¥b¥D°Ê·Ó©úªºmonopulse¸¼u¾É¤ÞÀY¡A «Ü¦h´N¬O´ú¤è¦ì¨¤´údoppler¦ý´N¤£´úecho®É¶¡®t¶Ü¡H §A³s³o³£¤£ª¾¹D¡A ¨ºÁÙ´±¦b§Ú»P¨ä¥Lºô¤Í°Q½×¸¼u¾É¤Þ°ÝÃDªº®ÉÔ¨g§p¤°»ò¡H¡H
https://www.radartutorial.eu/02.basics/Frequency%20Modulated%20Continuous%20Wave%20Radar.en.html Frequency-Modulated Continuous-Wave Radar (FMCW Radar)
Figure 1. Ranging with an FMCW system
¹Ï¤@´N±Ð§A¦p¦ó´ú¶ZÂ÷°Õ!
¦Ó¥B§A§Ñ°O¤F§ÚÌÁ¿ªº¬O¹p¹F,¤£¬O¥b¥D°Ê¾É¤ÞÀY. ¥b¥D°Ê¾É¤ÞÀY¨S¦³µo®g·½,¥u¦³±µ¦¬·½.
³£´¶°Ç´N¬O±µ¦¬¨ìªºecho«H¸¹,¦A¥h¬ÝÀW²¾¦Ó¤w. ¯àºâ¥X³£´¶°Ç,´N¬Oª¾¹D¦ó®É¦¬¨ìecho°Õ! «ç»ò·|¤£ª¾¹D®É¶¡®t©O?
³o»ò²Â,¯u¬OµLÃÄ¥i±Ï¤F.
quote: Originally posted by MistOfWar
§Ú¤w¸g©ú½T§i¶D§A¯«¬Þ¤Ñ¤}·R°êªÌ³£¤£¬OStack Beam¹p¹F¡A §A«ç»òÁÙÄ~Äò§èStack Beam¡H §A¬O¥uª¾¹DStack Beam¶Ü¡H
©Ò¥H§AÁÙ¬O¨S¦^µª§Úªº°ÝÃD°Ú¡A ¯«¬Þ¤Ñ¤}·R°êªÌ³o¨Ç¬O«ç»ò¥Î¬ù2«×ªºµ§ª¬ªi§ô¡A ¡¨ºâ¡§¥X¨Ó¼Ä¾÷¦b200¤½¨½¥~¬O14500-15500m°ª«×¡A ¦Ó¤£¬Oªi§ô°ª«×ªº12000m-18000m¡H
§A«Ü©_©Ç,½Ö»¡¶q°ª«×³£n¥Î¤@¼Ëªº§Þ³N. ¦³¤H´N¬On¥ÎStack Beam¤£¦æ¶Ü?
§Ú´£¥X¤F¤@ºØ¤£¬O§A¹w´Áªº§Þ³N,§A´N±Y¼ì¤F¶Ü? ¥i¼¦§r! Ãø¹D§A¬O¬Ý¤£À´Stack Beam???
https://www.radartutorial.eu/01.basics/rb63.en.html Multipath Height Finding Method
ÁÙ¦³Multipath Height Finding Method³á! ¥i¥H¤£¥Îµ§ª¬ªi§ô³á! ³oÁٸѨM¤F§CªÅµ§ª¬ªi§ôªºÂø°T°ÝÃD©O!
«Ä¤l! §An¾ÇªºªF¦èÁ٫ܦh! ¨þ¨þ¨þ
quote: Originally posted by MistOfWar
§A«ç»ò¤£¬Ý¬Ý¤º¤å¡A ¸Ì±¬O¼g¨ì
quote:
The output of the phase detector is the Doppler frequency.
§Aªº¹Ï³Ì²×output¥u¬ODoppler frequency¡A ¦ý¨S»¡¬O¦p¦ó¥Î³oÓ¸ê°T°µMTIªº°Ú¡C
§A¤£¬O»¡ª¾¹DMTI¡§ºâªk¡¨¶Ü¡H ¨º§AÀ³¸Ó«ÜÀ´°Ú¡A §A¥H¬°MTI¥u¨ìDoppler frequency´Nµ²§ô¤F¶Ü¡H ©Ò¥H§AÅãµM¤£À´¹À¡C
¨º¬O¦]¬°§AÄø§r! ¨ºÓ³£´¶°ÇÀW²v´N¬O²¾°Ê¥Ø¼Ð§r! n§äªº¥Ø¼Ð´N¦b¸Ì±. ³£´¶°ÇÀW²v¥»¨Ó´N¬O¹p¹F©Ònªº¿é¥X,²{¦b§â²¾°Ê¥Ø¼ÐÂo¥X¨Ó,¤£´N¬On§äªº¥Ø¼Ð??? §A¬O¦bµo¤°»òÄø???
quote: Originally posted by MistOfWar
¯u¥¿ªºµª®×¬ODelay Line Canceler (60¦~¥N¶}©lµo®iªºMTI§Þ³N¡A ¨ä¡¨ºâªk¡§¬O°ò©óDelay Line Cancelerªº¡A ¬Ý¤º¤å´Nª¾¹D) https://www.tutorialspoint.com/radar_systems/radar_systems_delay_line_cancellers.htm
¹Ï¤@¡G °ò¥»»P§Aµ¹ªº¹Ï¤@¼Ë¡A ¦ý¤ñ§Aªº¹Ï§¹¾ã¡A ¼g¥XPhase Detector¤§«á¡§to delay line canceler", delay line canceler¤~¬O¯u¥¿¦b°µMTI³B²zªº³¡¥÷¡A ¦Ó¤£¬O¥uµ¹¥XDoppler frequencªºPhase Detector¡C
¹Ï¤G¡GSingle Delay Line Canceller
¹Ï¤T¡GDouble Delay Line Canceller
©Ò¥H¡¨§¹¾ã¡§ªºMTI¨t²Î±Ôz¡A ¬O¹Ï¤@+¹Ï¤G©Î¹Ï¤@+¹Ï¤T¡A ¨Æ¹ê¤W¯u¥¿ªº¹p¹F¨t²Î·|¥Î¨ì¤ñDouble Delay Line CancellerÁ٧󰪪ºorder¡C
¦Ó¬JµM¬ODelay Line Canceller¡A ¡¨Single¡§ Delay Line Canceller ´N¥²¶·¥´¥X¨âÓPulse (§A¥²¶·¦³¨âÓ Pulse, ¤~¯à«e«áCancel°Ú)¡A ¡¨Double¡§ Delay Line Canceller´N¥²¶·¬O¤TÓ Pulse¨Ó·dCancel¡A Triple Canceller´N¥²¶·¬O¥´¥X¥|ÓPulse.... ¥H¦¹Ãþ±À¡C
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Delay Line Canceller¬°°ò¦ªºMTI¹p¹F¨t²Î¤§©Ò¥H¦b60¦~¥N´N¥X²{¡A ¨º¬O¦]¬°Analog·dDelay²³æ¡A ®Ú¥»´N¤£»ÝnFFT/Doppler Filter(60¦~¥N¤]¨S·L¹q¤l¤ä´©³o¨Ç)¡A 80¦~¥N·L¹q¤l¶}©lµo¹F¡A ©Ò¥H¶}©l§âDelay Line Canceller¥Î¼Æ¦ì¥h°µ(¨Ò¦p¦s¦bmemory¸Ì±+Time Delay)¡C ¦ýMTI¦]¬°»ÝnCancel, ©Ò¥H¤£¬O´¶³qªº³æPulse·j¯Áªi¡A¤@©w³£¬O¯S§O¥´¥Xªº½Æ¼ÆPulse¡C
§Ú³o¼Ë¤ñ¸û§¹¾ãªºÁ¿¸Ñ¡A §A¦³¤ñ¸ûÀ´¤F¶Ü¡H ª¾¹D¦Û¤vµª«D©Ò°Ý¦bþ¸Ì¤F¶Ü¡H ÁÙ¬O§AnÄ~ÄòµL®¢¤U¥h¡H
https://en.wikipedia.org/wiki/Moving_target_indication Moving target indication
§A¦Û¥H¬°¤F¤£°_ªºdelay line¨ä¹ê¥u¬O¥j®ÉÔ¹p¹Fªº¤@ºØMTI.
Wiki¸Ì±¦Ü¤Ö¦³¥t¥~¦C¥X¥t¤@ºØ,¨Ï¥Îphase-coherent klystron transmitters ªºphase detector§Þ³N.§Ú©Ò¦Cªº´N¬O³oºØ¤ñ¸û·sªº§Þ³N. §AªºÄ_¨©delay line¤w¸g³Q§Ú¦Cªººtºâªk²^¨O¤F³á! ¨þ¨þ
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cwchang2100
§Ú¬O¦Ñ³¾
Cayman Islands
17243 Posts |
Posted - 12/08/2021 : 10:01:59
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quote: Originally posted by ¤p¤ò
¥t¥~§Ú¤£¬O«ÜÀ´¹p¹F¡A¥u¬O¦³Ó¤pºÃ°Ý¡C ©T©wªi§Îªº³sÄòªi¡A¹J¨ìÀR¤îªº¥Ø¼Ð¡A¦^ªiªºÀW²vÀ³¸Ó¬O¤£ÅÜ ©T©wªi§Îªº³sÄòªi¡A¹J¨ì»Pªi§ô¦P¤è¦V©Î¤Ï¤è¦V²¾°Êªº¥Ø¼Ð¡A¦^ªiªºÀW²v·|ÅܤơC ©Ò¥H©T©wªi§Îªº³sÄòªi¥i¥H´ú³t¦ý¤£¯à´ú¶Z¬O§a.....
¦ý¬O¦pªG§â³sÄòªiÅܧΡA´N¯à¨Ì·Ó¦^ªi®É¶¡´ú¶Z¬O§a....
Áa¨Ï¤£ÅܧÎ,¤]¬O¯à´ú¶ZÂ÷. ¥Dn¬O¤ñ¸û¬Û¦ì®t,¥i¥H´ú¨ì«Ü¤pªº¶ZÂ÷®t. ¥Ø«e¥Î²@¦Ìªi¹p¹F°»´ú©I§l,´N¬O¥Î³oºØ¤èªk.
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metalfinally
¸ô¤H¥Ò¤A¤þ
2805 Posts |
Posted - 12/08/2021 : 11:12:16
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³õ¥~¬Ý¤£À´FMCWªº¥i¥H°Ñ¦Ò¥æ¤j³o½g¤j¾Ç²¦·~½×¤å https://ir.nctu.edu.tw/bitstream/11536/37935/4/250904.pdf
¦Ó¥Îphase-coherent§Þ³Nªº¹p¹F¡A¤£½×¥sCoherenceÁÙ¬Ocoherent¹p¹F¡A¥xÆW³o¸ÌªºÂ½Ä¶¬O¡u¦P½Õ¹p¹F¡v©ÎªÌ¡u¦P¬Û¹p¹F¡v ¤j®ð©ÎªÌ®ü¬v¬ã¨s³æ¦ì²{¦b³£¥Î³oºØ¹p¹F´ú¤Ñ®ð¬Ý®ü®ö¡C ³o§Þ³N¤]¬O¥Ø«e·í¥Nx¨Æ¹p¹Fªº°ò¦§Þ³N¡C |
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BlueWhaleMoon
§Ú¬O¦Ñ³¾
13032 Posts |
Posted - 12/08/2021 : 16:07:08
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´X¦ì¯«¥P°Q½×¡A§Ú¤w¸g§¹¥þ¬Ý¤£À´¤FXD
¦^¨ì2500Ä¥¡A¦ü¥G¤j³¡¤À³£¬O¦¨¼ô¨t²Î¡A¥u¦³¨âÓºÃ°Ý 1. n¤£n¸ËMk41¡H 2. ¤Ï¼ç¨t²Î¬O¬Æ»ò¡H
== °ß¤@¤ä«ù½²Á`²Î°ê¨¾¹wºâ¥eGDP3%¬Fµ¦ |
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Captain Picard
§Ú¬O¦Ñ³¾
9669 Posts |
Posted - 12/08/2021 : 16:50:26
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quote: Originally posted by BlueWhaleMoon
´X¦ì¯«¥P°Q½×¡A§Ú¤w¸g§¹¥þ¬Ý¤£À´¤FXD
¦^¨ì2500Ä¥¡A¦ü¥G¤j³¡¤À³£¬O¦¨¼ô¨t²Î¡A¥u¦³¨âÓºÃ°Ý 1. n¤£n¸ËMk41¡H 2. ¤Ï¼ç¨t²Î¬O¬Æ»ò¡H
== °ß¤@¤ä«ù½²Á`²Î°ê¨¾¹wºâ¥eGDP3%¬Fµ¦
»´¨µ¨¾Ä¥¼È®É¨S¤°»ò¦n½Í¤F¡Aªô°ê¥¿³o´X¤Ñ¦^À³»¡¥Ø«e¡u¤K¦r¨S¤@ºJ¡v¡A ³o¨Ç·sºc·Qµ¥¥Á°ê112¦~«×¡]2023¦~¡^¹wºâ®É¦A¬Ý®üx¦³¨S¦³«Ø®×´N¦n¤F¡A ¤Ï¥¿¥¿¦b§@·~ªº¥Á°ê111¦~«×¹wºâªÖ©w¨SÀ¸
https://news.ltn.com.tw/news/politics/paper/1488716
¥ßªk°|°]¬F©eû·|»P¥~¥æ¤Î°ê¨¾©eû·|¬QÁp®u¼f¬d¡u®üªÅ¾Ô¤O´£¤Épµe±ÄÁʯS§O¹wºâ¡v¡A¦C®uªºªô°ê¥¿·|«e¨ü³Xªí¥Ü¡A¥ô¦ó«Ø®×³£n¥þ½L¦Ò¼{¨Ã¬ãij¡A¦ý¡u¤K¦r¨S¤@ºJ¡v¡C¥t¾Ú¤F¸Ñ¡A°êx¹ï¬üxÁÊ¡B¯S§O¹wºâ¤Î°ê³yx³Æµ¥±ÄÁÊ¡Bºû«ù¹wºâ¤w¦ì©~°ªÀÉ¡A¦³µL©óªñ¦~¥tÅP·s®×ªºªÅ¶¡¡A¦³«Ý°Óºe¡C
=========================
MDC Naval Ensign. |
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BlueWhaleMoon
§Ú¬O¦Ñ³¾
13032 Posts |
Posted - 12/09/2021 : 04:58:18
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quote:
¾ÚÁA¸Ñ¡A¦¹®×ªº§óÅܨëD®üx¥D¾É¡A¦Ó¬O¬Y¦ì´¿¥ôx¾ªº²{¥ô°ê¦w·|¿Ô¸ß©eû©Ò´£Ä³¡A«á¸gx½Í¥¿¦¡´£³ø«á¡AÀò±o¼h®p®Öã¦P·N¡Aµô¥ÜÀu¥ý°õ¦æ¡C²Ä¤@¿´±N©ó2023¦~¶}¤u«Ø³y¡A¥H»°¤W«ez´Áµ{¡C ³oºØ2000¾l¾·¯Åªº·sÄ¥¡A¦b·§©À¤W¡A¨ä¥Dn¥ô°È¥\¯à¬°¤Ï«ÊÂê¡BÅ@¯è¡B¬°ªb¦¿¡þ¶ð¦¿¯Å¸¼u¨µÅÞÄ¥º[©Î¸¼u§Ö¸¥´£¨Ñ«ü´§ºÞ¨î»Pµuµ{¨¾ªÅ±»Å@µ¥¡C¦P®É¡A¬Æ¦ÜÁÙ¥]¬A¬°¤Fº¡¨¬¦b¥x®ü©PÃä¡B¤D¦Ü©ó«n®ü¡]«n¨F¡^µ¥¦a°Ï°õ¦æ¥®É¨µ¨¾¡BºûÅ@¥DÅv¡B¤Ï¨î¦Ç¦â¦a±a«Â¯Ùµ¥¥ô°È»Ýn¡C¾ÚºÙ¡A¥Ø«e¥¿¦Ò¼{¤À¬°¨¾ªÅ»P¤Ï¼ç¤GºØºc«¬¡A¦U«Ø³y¥|¿´¡C
±ö´_¿³»¡ªº§Æ±æ2023¦~¶}¤u«Ø³y¡AÀ³¸Ó¦³©Ò®Ú¾Ú¡C
¨º»ò±µ¤U¨Ó8Ó¤ë¤@©wn³]p©w®×¤F¡A¤£¤Ó¥i¯à¨ì2022¦~8¤ë°ê¨¾¹wºâ°Q½×®É¤~¨M©w³]p¤è®×§a? À³¸Ó¬O¦b¤K¤ën½s¹wºâ«e¡A´Nn¨M©w³]p¤è®×¤F¡A¤£µM2023¦~¶}¤u¤@©w¨Ó¤£¤Îªº¡C
== °ß¤@¤ä«ù½²Á`²Î°ê¨¾¹wºâ¥eGDP3%¬Fµ¦ |
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Captain Picard
§Ú¬O¦Ñ³¾
9669 Posts |
Posted - 12/09/2021 : 06:11:51
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quote: Originally posted by BlueWhaleMoon
±ö´_¿³»¡ªº§Æ±æ2023¦~¶}¤u«Ø³y¡AÀ³¸Ó¦³©Ò®Ú¾Ú¡C
¨º»ò±µ¤U¨Ó8Ó¤ë¤@©wn³]p©w®×¤F¡A¤£¤Ó¥i¯à¨ì2022¦~8¤ë°ê¨¾¹wºâ°Q½×®É¤~¨M©w³]p¤è®×§a? À³¸Ó¬O¦b¤K¤ën½s¹wºâ«e¡A´Nn¨M©w³]p¤è®×¤F¡A¤£µM2023¦~¶}¤u¤@©w¨Ó¤£¤Îªº¡C
¨º¬O¬Y¨Ç°ê¦w·|°ª¼h¸£³U¤@©çªº·Qªk¡A¥i¬Onµ¥¯u¥¿¦b°ê¨¾³¡¸¨¹ê¡B®üx«Ø®×°e¨ì¥ßªk°|¤~ºâ¼Æ¡C§_«h¡A¤@¨Çªº½T¬O·í§½¥D¨ÆªÌ¦³¹Lªº·Qªk¦ý³Ì«áÄê¦b¨{¤l¸Ìªº¡A¤Ó¦h¤F¡C
·Ó¨î«×¬yµ{¨Ó¡C
=========================
MDC Naval Ensign. |
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¤p¤ò
§Ú¬O¦Ñ³¾
Taiwan
10742 Posts |
Posted - 12/09/2021 : 09:17:32
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°Ý¤j®aÓ¤p°ÝÃD¡A±z¹ï°êÄ¥°ê³yªº´Á±æ¦bþ¸Ì¡H¬Ý¬Ý±z¤Ï¹ïþ¤@ºØ²Õ¦X¡A¹³¬O1500¾·¥Î¶ð¦¿¯Åªº¹p¹F¤Ó®z¤F³o¼Ëªº·N¨£¡AµM«á±zªº·N¨£¬O¥ÎþÓµ¥¯Åªº¹p¹F....TRS-3D/4D or Smarts-MK2....SPS-49....SPY-6(V2)?
¬ì¬ì°|1500¾··§©ÀÄ¥.....¶ð¦¿¯Åªº¹ïªÅ¹p¹F¡A®ü¼C¤Gªº¨¾ªÅ¸¼u ÁÁ¶Çªº2500¾·ªÅ·QÄ¥.....¶ð¦¿¯Åªº¹ïªÅ¹p¹F¡A®ü¼C¤Gªº¨¾ªÅ¸¼u ìpµeªº4500¾·¾_®üÄ¥.....¥|±°}¦C¹p¹F(PESA¥i)¡A®ü¤}¤T+®ü¼C¤G ·s±À¥Xªº6500¾·¯È¤WÄ¥......¥|±AESA¡A®ü¤}¤T+®ü¼C¤G
** ¤p¤òªº·s¤Û·QªÅ¶¡³vº¥´_¬¡¤¤(·s¼W3D¹Ï³á).....** http://lordmrx.pixnet.net/blog Åwªï°ÑÆ[ |
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MistOfWar
¸ô¤H¥Ò¤A¤þ
USA
1511 Posts |
Posted - 12/09/2021 : 12:00:52
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quote:
Figure 1. Ranging with an FMCW system
¹Ï¤@´N±Ð§A¦p¦ó´ú¶ZÂ÷°Õ!
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§Ú¦b»¡¼Ð·Ç¸¼uªºCW+monopulse¾É¤ÞÀY¤£´ú¶Z¥u´ú¨¤«×¡A ¬O§A¦Û¤v¨Ó¶Ã»¡monopulse¤]·|µ¹¶ZÂ÷¸ê®Æªº(§AÁÙ¥[½X»¡monopulse¤£´ú¨¤¥u°lÂÜ)¡A ¦óªp¼Ð·Ç¸¼u¥Îªº´N¬O¯ÂCW¤£´ú¶Z¡A ¤£¬O¥ÎFMCW¡A §A»¡FMCW¯à´ú¶Z¦ó¥Î¡H
¤£µM§A¨Ó»¡»¡¡A ³Â³¶/¼Ð·Ç³o¼ËªºCW+monopulseÅé¨î¡A ¸¼uªº¾É¤ÞÀY´ú¤£´ú¶Z¹À¡A Yes or NoªºÂ²³æ°ÝÃD¦Ó¤w¡A «Ü¦hx°g³£ª¾¹Dµª®×¡A §AY¤£´±µª´Nºu³J¡A ¼o¸Ü§O¤Ó¦h¡C
quote:
§A«Ü©_©Ç,½Ö»¡¶q°ª«×³£n¥Î¤@¼Ëªº§Þ³N. ¦³¤H´N¬On¥ÎStack Beam¤£¦æ¶Ü?
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https://www.radartutorial.eu/01.basics/rb63.en.html Multipath Height Finding Method
ÁÙ¦³Multipath Height Finding Method³á! ¥i¥H¤£¥Îµ§ª¬ªi§ô³á! ³oÁٸѨM¤F§CªÅµ§ª¬ªi§ôªºÂø°T°ÝÃD©O!
§Ú¤w¸g»¡¤F¤Ñ¤}·R°êªÌ¯«¬Þ¨º¨Ç³£¬Oµ§ª¬ªi§ô¡A ¤£¥ÎStack Beam¡A §ó¤£·|¥ÎMultipath Height Finding¡C
§A¤@ª½ÅU¥ª¥k¦Ó¨¥¥¦¡A ¤£´±¥¿±¦^µª°ÝÃD¡A ¨º¬O¦]¬°§A°í«ùmonopulse¥ut³d°lÂܦý¤£´ú¨¤«×¡A ¦ý¤Ñ¤}·R°êªÌ¯«¬Þ³oºØµ§ª¬ªi§ô¬Û¦ì°}¦C¹p¹F¡A ¤£¥u¾amonopulse°lÂÜ¡A ¤]¾amonopulse¦b´úºë½T¨¤«×¡C
´N¬O¦]¬°monopulse¥i¥Hµ¹¥Xªi§ô¤ºªº¤Ï®g¨Ó·½¦ì¸m¡A ©Ò¥H2«×µ§ª¬ªi§ôÁöµM¦b200¤½¨½¦³6¤½¨½°ª¡A ¦ý¹p¹F¥i¥H¤@Ó¾aecho´N§â¼Ä¾÷Âê©w¦b500m¤§¤ºªº»~®t½d³ò¡C
quote:
§A¦Û¥H¬°¤F¤£°_ªºdelay line¨ä¹ê¥u¬O¥j®ÉÔ¹p¹Fªº¤@ºØMTI.
Wiki¸Ì±¦Ü¤Ö¦³¥t¥~¦C¥X¥t¤@ºØ,¨Ï¥Îphase-coherent klystron transmitters ªºphase detector§Þ³N.§Ú©Ò¦Cªº´N¬O³oºØ¤ñ¸û·sªº§Þ³N. §AªºÄ_¨©delay line¤w¸g³Q§Ú¦Cªººtºâªk²^¨O¤F³á! ¨þ¨þ
§A°Ê¤£°Ê´N»¡MTI»ÝnFFT¡A ©Ò¥H§Ú¬G·N°Ý§A¦b60¦~¥N¬O«ç»ò°µMTIªº¹À¡A ÅãµM§A¤£ª¾¹Dµª®×¡A §Úµ¹§Aµª®×§A¤S¶û¡§³o¤Ó¥j¦Ñ¡¨¡A ³o¤£¬O¼o¸Ü¶Ü¡H MTI¥»¨Ó´N¬O60¦~¥Nµo©úªº¡C
¦Ó¥B§A¥H¬°¡§·s¦¡¡¨¤£¨Ï¥Îdelay lineªºMTI´N¤£»Ýn¯S§OªºMTIªi¹À¡H ¨Æ¹ê¤W¦]¬°²{¥N¹p¹FMTIªi§Î±`±`¬O±Ä°ªPRF(¦]¬°°ªPRFªºªi§Î¡A doppler ºë«×¤ñ¸û°ª)¡A ¦ý¬°¤FÁקKblind speed°ÝÃD¡A ³oºØMTI·|±Ä¥Î½Æ¼Æstaggered pulse(´N¬O³]©w¨CÓpulse¤§¶¡ªºpri¤£¦P¡A ¿ù¶}²£¥Íªºblind speed½d³ò)¡C ©Ò¥H´Nºâ¬O²{¥N¤£±Ä¥Îdelay lineªº¹p¹F¡A ±Ä¥Î½Æ¼Æpulse²Õ¦X¦Ó¦¨ªº¯S§OMTIªi§Î¬O«Ü±`¨£ªº¡C
§A·|¯S§O¨Ó¦R¹Ë§Ú»¡¦³¯S§OªºMTIªi§Î¬O«Ü©_©Çªº¡A ¦]¬°³o®Ú¥»´N¬O·~¬É«Ü±`¨£ªº°µªk¡A ³o¥Nªí§A®Ú¥»¤£¼ô³o¶ô(§_«h§A¤£·|¤Ï®g©Ê¦R¹Ë³oÂI)¡A §A¬O¥u¬Ý®Ñ¥»¤º®e´N¸£¬}¤j¶}¡A ı±o¤@Ó pulse+FFT+Filter §ä¥Xdoppler´N¸U¨Æ¤j¦N¤F¡A ²{¹ê¤Wþ³o»ò²³æ¡C
§AÁÙ¬O¦³ÂI¦Ûª¾¤§©ú§a¡A °Q½×¨ãÅé°ÝÃD¥i¥H¡A ¦ýYºÆª¯¶Ã§p´N§O©Ç§Ú¥´ª¯¡C |
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oneeast00
¸ô¤H¥Ò¤A¤þ
2996 Posts |
Posted - 12/09/2021 : 12:01:12
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quote: »´¨µ¨¾Ä¥¼È®É¨S¤°»ò¦n½Í¤F¡Aªô°ê¥¿³o´X¤Ñ¦^À³»¡¥Ø«e¡u¤K¦r¨S¤@ºJ¡v¡A ³o¨Ç·sºc·Qµ¥¥Á°ê112¦~«×¡]2023¦~¡^¹wºâ®É¦A¬Ý®üx¦³¨S¦³«Ø®×´N¦n¤F¡A ¤Ï¥¿¥¿¦b§@·~ªº¥Á°ê111¦~«×¹wºâªÖ©w¨SÀ¸ https://news.ltn.com.tw/news/politics/paper/1488716
quote: Originally posted by BlueWhaleMoon
±ö´_¿³»¡ªº§Æ±æ2023¦~¶}¤u«Ø³y¡AÀ³¸Ó¦³©Ò®Ú¾Ú¡C
¨º»ò±µ¤U¨Ó8Ó¤ë¤@©wn³]p©w®×¤F¡A¤£¤Ó¥i¯à¨ì2022¦~8¤ë°ê¨¾¹wºâ°Q½×®É¤~¨M©w³]p¤è®×§a? À³¸Ó¬O¦b¤K¤ën½s¹wºâ«e¡A´Nn¨M©w³]p¤è®×¤F¡A¤£µM2023¦~¶}¤u¤@©w¨Ó¤£¤Îªº¡C
1.¤°»ò®ÉÔ ³s¤@Ó¥bÓ©x(³s°õ¬FÄÒ·F³¡³£¤£¬O)³£¤£ºâªº¥Á¤Hµû½×®a ¥i¥H¤ñ°ê¨¾³¡ªøÁÙn¤j??? ¤j°OªÌ/ºô¬õªº¤p»¡´N¬O¸t¦®¯u²zªº¤W¦¶¯«¸Ü2.0¶Ü??
2.¥@¬É¤W³ÌÃø·d³Ì³Â·Ðªºª±·N´N¬O..¿ú.. ¥Á¥D°ê®a,ÁÙ¦³ÓªF¦è§ó³Â·Ð´N¬O¥ßªk°|+¸ê°T¤½¶}
³]p¾ÔÄ¥: §A§ä¤Hµe±M·~¹Ï¯ÈÃø¹D¤£¥Î¿ú?? §A«Ø¼Òºâµ²ºc,°µ´ú¸ÕÃø¹D¤£¥Î¿ú??
¨S«Ø®×,¨S¥ß°|§åã,½Ö¥X³oÓ¿ú?? ®üx?²î¼t? §A§Ú¦Ûµo¶Ò¶°?
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Edited by - oneeast00 on 12/09/2021 12:22:38 |
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