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ki1
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5871 Posts

Posted - 12/07/2021 :  21:09:03  ·|­û¸ê®Æ Send ki1 a Private Message
quote:
Originally posted by hawkeye

quote:
Originally posted by cwchang2100

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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  ·|­û¸ê®Æ  Visit ¤p¤ò's Homepage Send ¤p¤ò a Private Message
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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  ·|­û¸ê®Æ  Visit ian125's Homepage  Click to see ian125's MSN Messenger address Send ian125 a Private Message
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ki1
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5871 Posts

Posted - 12/07/2021 :  22:37:13  ·|­û¸ê®Æ Send ki1 a Private Message
quote:
Originally posted by ian125

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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

Posted - 12/07/2021 :  22:50:02  ·|­û¸ê®Æ Send MCSEG a Private Message
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https://www.naval-technology.com/news/naval-group-launches-fourth-argentinian-navy-opv/

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https://www.defenseworld.net/news/30931/Naval_Group_Launches_First_Gowind_Corvette_for_U_A_E__Navy#.Ya9wiNBBzIU

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ki1
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5871 Posts

Posted - 12/07/2021 :  23:02:11  ·|­û¸ê®Æ Send ki1 a Private Message
quote:
Originally posted by MCSEG

³Ìªñªk°êªº°l­·¯Å(Gowind class)Å@½ÃÄ¥«ùÄò§ð«°±°¦a

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https://www.navyrecognition.com/index.php/naval-news/naval-news-archive/2021/december/11086-gowind-class-opv-ara-almirante-storni-joins-argentinian-navy.html
https://www.naval-technology.com/news/naval-group-launches-fourth-argentinian-navy-opv/

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https://www.navalnews.com/naval-news/2021/12/naval-group-launches-bani-yas-gowind-corvette-uae/
https://www.defenseworld.net/news/30931/Naval_Group_Launches_First_Gowind_Corvette_for_U_A_E__Navy#.Ya9wiNBBzIU

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metalfinally
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2805 Posts

Posted - 12/08/2021 :  01:49:54  ·|­û¸ê®Æ Send metalfinally a Private Message
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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  ·|­û¸ê®Æ Send MistOfWar a Private Message
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³o¤£¬O²Ä¤@¦¸§A¶K¿ù¹Ï¡A µª«D©Ò°ÝÁÙ·Q¥Î½|¤H¨Ó·e¶ë¡A §A³oºØÅG½×ºë¯«ºâµL®¢ªº¤F¡C
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cwchang2100
§Ú¬O¦Ñ³¾

Cayman Islands
17243 Posts

Posted - 12/08/2021 :  02:56:37  ·|­û¸ê®Æ  Visit cwchang2100's Homepage Send cwchang2100 a Private Message
quote:
Originally posted by MistOfWar


¯ÂCW¹p¹F´N¨S®É¶¡®t°Ú¡C

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
ǍȘdetect?? ǍȘranging.
¤£­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

CW´N¬O¤@ºØ¤£¯à´ú¶Z¡A ¦ýdoppler«D±`¦nªºªi§Î¡A ³o¬O¬°¤°»ò¥b¥D°Ê­¸¼u«Ü¦h³£¬O¿ï¾ÜCW+³æ¯ß½Ä´M¼Ð¾¹ªº²×ºÝ·Ó©ú²Õ¦X¡C



¨ºùئ³¤£¾A¦X³£´¶°Çªºªi§Î??? ´N¥u¬OÀW²v®t§r!
²³æÁ¿FFT¥X¨Ó´N¬Ý¨ì¤F§r??? §A¬O¦b¸ËÔ£¥Õè§r???
§A¨ì©³À´¤£À´??? ¯u¬OÄø¨ì¦³³Ñ!

²³æÁ¿,¬P²yÆ[´ú¬Ý¬õ¦ì²¾,¦³¾A¦Xªºªi§Î¶Ü???
°ª¤¤¥Í®£©È³£¤ñ§A©ú¥Õ!

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



¤¸¥ó§A­ÓGG°Õ! §A³s°ò¥»­ì²z³£©ß±ó¤F.
½Ð§A§ä­Ó¹p¹F©Î¬O¹q¾÷¤uµ{®v±Ð±Ð§A°ò¥»±`Ãѧa!
§A¼gªº§è²H,¬Ý¤F´NÅý¤H·nÀY.

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

§A¤£´±¦^µª§Ú­þ­Ó Block¦b°µMTIªº¡A À³¸Ó¤]¬O§Aµoı¶K¿ù¡A ¦ý¤£´±¦^À³¡A©Ò¥H¥u·Q¥Î½|ż¸Ü¨Ó±a¹L¡C

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

¤Ñ§r! ¤H®a¤£¬½¬½¥´§AªºÁy,§AÁÙàm°_¨Ó¤F???
§Ú§âURL¶K¥X¨ÓÅo!

ÁÙ­þ¤@­Ó¤è¶ô°µMTI°Ç??? §A¯uªº¬OÄø³z¤F!
¾ã­Ó³£¦b°µMTI°Õ!
§A¬O¬Ý¤£À´Block Diagram¶Ü???

§A¦³¨S¦³Ä±±o«Ü¥áÁy?? ¦^¥h¤Ï¬Ù¤@¤U°Õ!
µLª¾¨ì³oºØµ{«×,¯u¬O¶}²´¬É¤F!

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³o¨Ç¯µ±K¸Ü»y¨Ó¦Û¬¡µÛªº­C¿q¡A¥Ñ­}­}¼¯´µ¡EµS¤j¡E¦h°¨°O¿ý¡C
¥L»¡¡G¡u¥ô¦ó¤Hµo²{¤F³o¨Ç¸Üªº·N¸q¡A±N¤£·|À|¨ì¦º¤`ªº´þ¨ý¡C¡v
¦h°¨ºÖ­µ²Ä1¸`
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MistOfWar
¸ô¤H¥Ò¤A¤þ

USA
1511 Posts

Posted - 12/08/2021 :  03:58:16  ·|­û¸ê®Æ Send MistOfWar a Private Message
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
ǍȘdetect?? ǍȘranging.
¤£­nÁ¿¤@¨Ç¹H¤Ï°ò¥»±`ÃѪº¶Ì¸Ü!


©~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


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??

§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


quote:

¤Ñ§r! ¤H®a¤£¬½¬½¥´§AªºÁy,§AÁÙàm°_¨Ó¤F???
§Ú§âURL¶K¥X¨ÓÅo!

ÁÙ­þ¤@­Ó¤è¶ô°µMTI°Ç??? §A¯uªº¬OÄø³z¤F!
¾ã­Ó³£¦b°µMTI°Õ!
§A¬O¬Ý¤£À´Block Diagram¶Ü???



§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


¯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

©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  ·|­û¸ê®Æ  Visit Reinherd Von Hwang´£·þ's Homepage Send Reinherd Von Hwang´£·þ a Private Message
quote:
Originally posted by BlueWhaleMoon

·PÁ»¡©ú¡C

§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

§Ú­Ó¤H·í®Éªº¤ß±o¬O:

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
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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®ü­x­ì¥»ªºÂí®ü­pµeÄ¥ÁÙ­n¤j(¶W¹L4500¾·)¡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  ·|­û¸ê®Æ  Visit ¤p¤ò's Homepage Send ¤p¤ò a Private Message
¥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  ·|­û¸ê®Æ  Visit ¤p¤ò's Homepage Send ¤p¤ò a Private Message
¥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  ·|­û¸ê®Æ Send MistOfWar a Private Message
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  ·|­û¸ê®Æ Send davidboy a Private Message
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  ·|­û¸ê®Æ  Visit cwchang2100's Homepage Send cwchang2100 a Private Message
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

©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



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

²{¥N¹p¹FÁÙ¦³¯S¤ÆªºAMTI,GMTI©MSMTI.
³o¨Ç³£¬O¤£¦Pªººtºâªk.§A¤£ª¾¹D¦b¥Õèԣ?!
½Ð°Ý§A­n«ç»ò¸ÑÄÀ³o¨Ç¨ä¥LªºMTI???

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¥L»¡¡G¡u¥ô¦ó¤Hµo²{¤F³o¨Ç¸Üªº·N¸q¡A±N¤£·|À|¨ì¦º¤`ªº´þ¨ý¡C¡v
¦h°¨ºÖ­µ²Ä1¸`
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cwchang2100
§Ú¬O¦Ñ³¾

Cayman Islands
17243 Posts

Posted - 12/08/2021 :  10:01:59  ·|­û¸ê®Æ  Visit cwchang2100's Homepage Send cwchang2100 a Private Message
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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¦h°¨ºÖ­µ²Ä1¸`
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metalfinally
¸ô¤H¥Ò¤A¤þ

2805 Posts

Posted - 12/08/2021 :  11:12:16  ·|­û¸ê®Æ Send metalfinally a Private Message
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  ·|­û¸ê®Æ Send BlueWhaleMoon a Private Message
´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  ·|­û¸ê®Æ Send Captain Picard a Private Message
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  ·|­û¸ê®Æ Send BlueWhaleMoon a Private Message
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

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==
°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  ·|­û¸ê®Æ Send Captain Picard a Private Message
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  ·|­û¸ê®Æ  Visit ¤p¤ò's Homepage Send ¤p¤ò a Private Message
°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
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­ì­pµeªº4500¾·¾_®üÄ¥.....¥|­±°}¦C¹p¹F(PESA¥i)¡A®ü¤}¤T+®ü¼C¤G
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** ¤p¤òªº·s¤Û·QªÅ¶¡³vº¥´_¬¡¤¤(·s¼W3D¹Ï³á).....**
http://lordmrx.pixnet.net/blog
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MistOfWar
¸ô¤H¥Ò¤A¤þ

USA
1511 Posts

Posted - 12/09/2021 :  12:00:52  ·|­û¸ê®Æ Send MistOfWar a Private Message
quote:

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.


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oneeast00
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Posted - 12/09/2021 :  12:01:12  ·|­û¸ê®Æ Send oneeast00 a Private Message
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Edited by - oneeast00 on 12/09/2021 12:22:38
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