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T O P I C    R E V I E W
wingman Posted - 06/24/2018 : 20:39:37
¤@ª½·Q¤£³qªê¦¡ª½¤É¾÷¾÷¨­®Ç©µ¦ù¦Ü¾÷§Àªº»È¦â±øª¬ª«¬O¤°»ò¥Î³~? ³Ò½Ð«e½ú¤£§[½ç±Ð¡C
https://vpk.name/news/85714_germaniya_priostanovila_poletyi_vertoletov_tiger.html
15   L A T E S T    R E P L I E S    (Newest First)
wingman Posted - 06/30/2018 : 20:52:12
¶â¡AÁÂÁ¡A¤Ó¦n¤F¡A²×©ó§Ë²M·¡¤F!!!😁
MikeH Posted - 06/30/2018 : 04:48:27
quote:
¦ÑÁ󳣬OASUªº¤@­ÓIEEE fellow.
¬Ý¨Ó¥L­Ì·ÓApacheªº¤Ñ½uModel°µ¤F¤£¤Ö¬ã¨s.


¥ð´µ/³Á¹D/ªi­µª½¤É¾÷¼t´N¦b¨È§Q®á¨º¦{
¹õ«áª÷¥D©I¤§±ý¥X :)


===
¦a¤U­x¤õ®w
https://www.facebook.com/BasementArsenal/
cwchang2100 Posted - 06/30/2018 : 03:42:10
https://ieeexplore.ieee.org/document/789186/
Analysis of HF antennas on a helicopter in the presence of a stratified ground

...
In this paper, HF antennas, such as a 14-ft towel-bar and a 24-ft inverted-L on the AH-64 (Apache) full-scale helicopter, are analyzed in the presence of a stratified ground.
...

³oùئ³¤@½g1999¦~ªºIEEE½×¤å,¯S§O°w¹ïªü©¬«´ªº14¤Ø¤ò¤y¬[©M24¤Ø­ËL°ªÀW¤Ñ½u°µ¥X²{¦a­±®ÄÀ³ªº¤ÀªR.

-----------------

https://www.researchgate.net/publication/3011201_Helicopter_rotor-blade_modulation_of_antenna_radiation_characteristics?_sg=n1w3KzOxJwBr_1OARzMr0tYqi0DkfMLx77k1qdoiDOwV1_m3kQ7QHqBSPr63eYfe7vAyE2gUBg

Helicopter Rotor-Blade Modulation of AntennaRadiation Characteristics
Anastasis C. Polycarpou, Member, IEEE, Constantine A. Balanis, Fellow, IEEE, andAndrej Stefanov, Student Member, IEEE,
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL. 49, NO. 5, MAY 2001

...
This paper investigates rotor modulation on the gain and input impedance of an antenna mounted on
a helicopter¡¦s fuselage.
...

¥t¤@½g2001¦~ªºIEEE½×¤å´N¬OÁ¿ª½¤É¾÷Á³±Û¼Õ¹ï¾÷§À¦w¸Ëªº¤Ñ½u©Ò²£¥Íªº®ÄÀ³.
¦P¼Ë¤]¬O°w¹ï14¤Ø¤ò¤y¬[©M24¤Ø­ËL°ªÀW¤Ñ½u,¤§«eªº¨º­Ó½u±ø¥Ü·N¹Ï´N¬O¥X¦Û¦¹½g½×¤å.

¥D­nªº¤ÀªRÁÙ¬O°w¹ï14¤Ø¤ò¤y¬[¦bNVIS(Near vertical incidence skywave)¼Ò¦¡¤Uªº®Ä¯à.
©Ò¿×ªñ¦ü««ª½¤J®g¤Ñªi,´N¬O¾a¹qÂ÷¼h¤Ï®gªº°ªÀW³q«H.

-----------------

¤£¹L,¤W­±¨â½g½×¤åªº§@ªÌ³£¬O¦P¤@§å¤H,¥u¦³¤@­Ó§@ªÌ¦³´«¤H.
¦ÑÁ󳣬OASUªº¤@­ÓIEEE fellow.
¬Ý¨Ó¥L­Ì·ÓApacheªº¤Ñ½uModel°µ¤F¤£¤Ö¬ã¨s.
¤£¹L¨º­Ó¼Æ¦ìApache Model¦n¹³¬ONASA¨Óªº.

-----------------

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¸`
MikeH Posted - 06/30/2018 : 02:41:44
½¥X¤@±i±N HF ¤Ñ½u¸Ë¦b±ÛÁl¤Wªº±M§Q
¥Ø«e§Þ³N¤W¬O§_¥i¦æ ´N¤£ª¾¤F
https://patents.google.com/patent/US5745081

===
¦a¤U­x¤õ®w
https://www.facebook.com/BasementArsenal/
wingman Posted - 06/30/2018 : 00:05:06
«z¡A¯u¬O·PÁ¤j®a¡A¤Wºô¬d¤F¦Ñ¥b¤Ñ¡A¬Æ¦ÜÁÙ¶]¥h°ê¹Ï§ä®Ñ¬d¡A¤]§Ë¤£²M·¡¡A¨Ó³o¸Ì½Ð±Ð¤@¤U´N«Ü§Ö¦³µª®×¡AÁÂÁ¤j®a¡AÁÂÁÂ!!!
cwchang2100 Posted - 06/29/2018 : 22:26:09




¦¹¸Ë¸m¥þ¦W¬°"24­^¤Ø¤ÏL«¬¤ò¤y¬[¦¡°ªÀW¤Ñ½u"(24-ft inverted L/Loop ("towel bar") HF antenna).
¤Ø¤o¬O¦³¸g¹L¹qºÏ¤ÀªRªºµ²ªG.

PS: Àô§Î(loop)¤Ñ½u¦b¦¹¤]ºÙ¤ò¤y¬[«¬(towl bar)¤Ñ½u.

-----------------

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¸`
dasha Posted - 06/29/2018 : 19:07:33
¤U­±³o­Ó³sµ²¹ïHF³q«H¨ä¹ê¼g±oÆZ²M·¡ªº:
https://read01.com/0y3keo.html#.WzYRqtIzaM8
¹L¥h¬O¼sªx¨Ï¥Îªº³Æ¥÷¨t²Î,¦ý¤zÂZ¦h¥B¸ê®Æ¶Ç¿é¶q§C,²{¦b´N¬O¤õ»L±Ú»PµL½u¹q¥x¤j´T´î¤Ö,¥[¤W·s§Þ³N¤j·§¥i¥H¦³¤ñ¸û¦nªº©w¦V¯à¤O»P¸ê®ÆÀ£ÁY¯à¤O.
¦Ó¹L¥hªºHF¥i¥H¥Î§Îª¬¤ñ¸û²³æªºÀôª¬¤Ñ½u¤§Ãþ,§A¬Ý¤£¨ì¦b­þÃä,²{¦b­n§ï¦¨³oºØª½½u¦Ó¥BÁÙ¦b¬Y¨Ç³¡¦ìÅs¦±ªº¤Ñ½u,¨º­n¤£¬O¦³·sªº©w¦ì¤§Ãþ¥\¯à,´N¬O»¡¨º­Ó¤£¬OHF¥Î......
over55Stars Posted - 06/29/2018 : 17:01:08
°Ñ¦Ò±i©ú¼w¤j¤H©ÒµÛ "AH-64 ªü©¬«´§ðÀ»ª½¤É¾÷" ¤@®Ñ¡@¡]­x¨Æ³s½u MOOK 13¡^
¦Û²Ä 105 ­¶°_´£¨ìªº AH-64D Block II ³q«H¨t²Î§ó·s
¡@¡@¼W³] ARC-220 µL½u¹q, §ïµ½¶W§CªÅ­¸¦æ®Éªº³q«H¯à¤O
¡@¡@HF µL½u¹q¥i¸g¹qÂ÷¼h¤Ï®g, ÁקK VHF¡NUHF ¸û®e©ö³Q»Ùꪫ¾B¦í


ªü©¬«´¾÷¶¤À³¸Ó¬O¥»¥@¬ö¤~¦w¸Ë¡]©Î¾÷§ï¸Ë¡^³o®MµL½u¹q
¤W­Ó¥@¬ö¥½ªº¾Ô³õ/½Ä¬ð¤¤ªº¨Ï¥Î¸gÅç, ¨º­n§ó¦h®É¶¡¦Ò¾Ú
½Ð®¤¦b¤U¯à¤O¤£¨¬


§ó·s³q°T¨t²Î­n¬Ý¨Ï¥Î°êªº»Ý¨D¡B¹B¥Î¤è¦¡
AH-1 ®a±Ú¦ü¥G´N¨S¦³°ªÀWµL½u¹q, §Y¨Ï¬O³Ì·sªº AH-1Z ¦ü¥G¤]§ä¤£¨ì
«X¨tªº§ðÀ»ª½ª@¾÷¦ü¥G¤]¨S¬Ý¨ì¬Û¦üªº¤Ñ½u
¨ä¥L¾÷ºØ¨s³º¬O¿ïÁʩΫáÄò§ï¸Ë, ¨º¤]»Ý­n¦Ò¾Ú


¦Ü©ó¤Ñ½uºØÃþ¤Î¦w¸Ë¦ì¸m¡B¦w¸Ë¤è¦¡
¨º´N¦³¿à½Ñ¦ì¤j¤H¶}¥Ü¤F
¡@¡]²¦³º¤£¬O¼çÄ¥ TACAMO ¨ººØÁöµM©_¸´, ¦ýª¾¹D­ì²z«á´N¯à²z¸Ñªº¨t²Î¡^
¤p¤ò Posted - 06/28/2018 : 18:48:42
³oÃä¤]¦³¤@¨Ç¸Ñ»¡¹Ï¡G
https://forums.eagle.ru/showthread.php?t=98895



** ¤p¤òªº·s¤Û·QªÅ¶¡³vº¥´_¬¡¤¤(·s¼W3D¹Ï³á).....**
http://lordmrx.pixnet.net/blog
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over55Stars Posted - 06/28/2018 : 18:36:05
HF ªº¤Ñ½u¦ü¥G¬O¤ñ¸û±ßªñ¤~½T»{ªº»Ý¨D ?
¡@¡]ªiªø 10m~100m µ¥¯Å, 1/4 ªiªøªº¥þ¦V¤Ñ½u¤w¸g¬O³Ì§C®ø¶O¤F¡^
¦ü¥G³£¸Ë¦b§¾ªÑ/§À®ì¨º­Ó¦ì¸m
¨Ì¤j¥»À窺·Ó¤ù, ¨Ã«D¤H¤H¦³¼ú, ¦ý¤]¤£¬O¤Óµ}¨uªº¸Ë³Æ
¡@¡@http://www.mdc.idv.tw/mdc/army/tiger.htm
¡@¡@http://www.mdc.idv.tw/mdc/army/ah-tw.htm¡@¡]¤ÑÆN®×¡^
¡@¡@http://www.mdc.idv.tw/mdc/army/wz10.htm¡@¡]ªZª½-10§ðÀ»ª½ª@¾÷/ªZª½-19¥¸­Ôª½ª@¾÷¡^
¡@¡@http://www.mdc.idv.tw/mdc/army/CSH2.htm¡@¡]«n«D ¯ùÔG¦¡¡^
¡@¡@http://www.mdc.idv.tw/mdc/army/a129.htm¡@¡]¸q¤j§Q A129¡^
wingman Posted - 06/28/2018 : 17:08:04
¬Oªº¡Adasha ¤j¡A¸ò¤p¤ò¤j¡A´N¬O¨º¤@®Ú¡A¹ê¦b·Q¤£³z¬°¤°»ò«D±o¬[¦b¾÷Åé¥~­±...

over55Stars ¤j¡A §Ú¤]¦³·Q¹L¬O¤Ñ½u¡A¦ý¤Ñ½uªºªø«×¦³»Ý­n³o»òªø¶Ü?
¤p¤ò Posted - 06/28/2018 : 16:23:38
³o­Ó¤]¦³
https://militaryedge.org/articles/france-qatar-agrees-2-bln-euro-helicopter-order/


** ¤p¤òªº·s¤Û·QªÅ¶¡³vº¥´_¬¡¤¤(·s¼W3D¹Ï³á).....**
http://lordmrx.pixnet.net/blog
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¤p¤ò Posted - 06/28/2018 : 16:20:07
³o¤@¬[¤]¦³....

http://australianaviation.com.au/2017/04/h145-receives-a-power-boost/


** ¤p¤òªº·s¤Û·QªÅ¶¡³vº¥´_¬¡¤¤(·s¼W3D¹Ï³á).....**
http://lordmrx.pixnet.net/blog
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over55Stars Posted - 06/28/2018 : 15:46:10
°ªÀW¡]HF¡^µL½u¹q ?
dasha Posted - 06/28/2018 : 08:12:46
±z»¡¥­¦æ©ó§À±ÛÁl¶Ç°Ê¶b¦b¥~­±¨º±ø?¤£ª¾¹D,¦Ó¥B¬Ý¨Ó¦³¨ÇEC665¨Ã¨S¦³,¦n¹³¬O«á¨Ó¥[¸Ëªº......

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