甚高頻測向 的英文怎麼說
中文拼音 [shégāobīncèxiàng]
甚高頻測向
英文
vhfdf very high frequency direction finding-
Performance requirements and test methods for doppler very high frequency omnidirectional radio range
多普勒甚高頻全向信標性能要求和測試方法Very high frequency direction finder
甚高頻測向儀Very high frequency direction finding
甚高頻測向Very high frequency direction - finding
甚高頻測向Vhf omni - range distance measuring equipment
甚高頻全向信標測距設備This system employed a new concept for measuring upper winds, viz. use of vlf very low frequency in the range of 10 - 13 khz signals from a global navigational network, omega, for computing the wind
與以往無線電相比,該系統在測風方面則採用了一種新的概念,利用世界性奧米茄導航站網的甚低頻信號10 - 13khz來計算出高空風向和風速,無需用雷達追蹤探空儀位置。Measurement of pressure, temperature and humidity operated in much the same principle as the older version of radiosonde, but computation of wind was made use of the vlf ( very low frequency in the range of 10 - 13 khz ) signals of a world - wide navigational network, omega
該系統量度高空氣壓、氣溫及濕度的方法與舊式無線電探空儀大致相同,但在測風方面則採用了一種新的概念,利用世界性奧米茄導航站網的甚低頻信號( 10 - 13khz )來計算出高空風向和風速,無需用雷達追蹤探空儀位置。Dvordme stations are installed at lung kwu chau ( lkc ) and siu mo to ( smt ) to support departure and missed approach paths of the hkia. aeronautical information database ( aidb ) system
兩臺多普勒甚高頻全向無線電信標及測距儀已分別安裝于小磨刀及龍鼓洲上,以支援機場的離場和復飛航跡。Replacement of doppler very high frequency omni - directional range and distance measuring equipment at tung lung island
更換東洲多普勒甚高頻全向無線電信標及測距設備分享友人