navigation frequency 中文意思是什麼

navigation frequency 解釋
導航設備工作頻率
  • navigation : n. 1. 航行；導航；領航；航海[航空]術。2. 〈集合詞〉船。3. 〈古語〉航路；海上交通。adj. -al
  • frequency : n. 1. 屢次，頻仍，頻繁。2. （脈搏等的）次數，出現率；頻度；【物理學】頻率，周率。
  1. The underwater topographic survey in lake dianchi employed the dual - frequency gps with rtk technology, which type is american trimble 4700, for horizontal positioning f and the type of the fathometer is wuxi haiying sdh - 13d ; the navigation software : the south 5. 0

    對滇池水下地形測量外業數據的採集，平面定位採用美國trimble4700雙頻gps接收機；水深測量採用的測深儀為無錫海鷹sdh ? 13d ；導航軟體為南方公司的導航5 . 0版。
  2. Several guidelines in choosing a suitable navigation algorithm are also provided based on the inertial sensors configuration and the turning frequency of the conventional algorithm

    最後，提供了幾條根據慣性器件配置和傳統演算法的轉折頻率選擇合適導航演算法的指導原則。
  3. The inertial sensors of the strapdown inertial navigation system ( sins ) are directly mounted to the vehicle and the vehicle ' s high - frequency motions will affect the accuracy of the sins

    捷聯慣導系統的慣性器件直接固聯在載體上，運載體的機動運動會直接影響系統的精度。
  4. According to the present status of studying the solar flare using gps, a new algorithm of processing gps data studying the solar flare is brought forward : after the instrumental bias has been determined, with the data of dual - frequency gps code and phase and navigation message, the vtec at the satellite ' s epp can be worked out

    根據現在研究太陽耀斑的實際情況，提出了利用gps研究太陽耀斑的數據處理方法：利用雙頻觀測值確定出儀器偏差后，再利用碼和相位觀測值，結合導航電文就可以求出電離層交叉點的沿天頂方向上的電子總量vtec值。
  5. Vor aeronautical radio navigation aids. part 2 : technical requirements for very high frequency omnidirectional range

    航空無線電導航設備.第2部分：甚高頻全向信標
  6. It has been an important component of communication, radar, instrument, high - speed computer and navigation equipment. fractional - n phase locked loop ( fnpll ) frequency synthesis has been appeared in recent years

    頻率合成器是一種相位鎖定裝置，是通訊、雷達、儀器儀表、高速計算機和導航設備中的一個重要組成部分。
  7. High - frequency and microwave bipolar power devices have been largely applied in military and civil electronic equipment, mainly in communication, radar ( including navigation ) and electron - confrontation field

    雙極高頻、微波功率器件已大量應用於軍用、民用電子設備中，其典型應用主要在通信、雷達（含導航）和電子對抗等領域。
  8. The gigantic cloud of highly charged particles hurled from the sun posed a threat to high frequency radio communications, satellite navigation systems and television broadcasts

    攜帶強大電荷的巨型粒子云從太陽猛地撲向地球，對高頻無線電通訊、衛星導航系統和電視廣播都形成了威脅。
  9. When the mdrlg working, high frequency dithering is introduced, and the strapdown navigation system with mdrlg has some properties which are different from the systems with other types of gyros

    機抖激光陀螺在工作時會引入高頻抖動，對整個系統造成影響，因此使用機抖激光陀螺的捷聯慣導系統具有一些不同於其它捷聯慣導系統的特有性質。
  10. In late 1970 s, rubidium atomic frequency standards for ship navigation were developed, and in 1990 s a new revised was made

    上世紀七十年代末，研製出船舶導航用銣原子頻標，並在九十年代末研製出換代產品。
  11. Maritime and aviation navigation systems use low frequency signals to locate vessels or aircraft

    航海和航空界的導航系統使用低頻率訊號來測量船隻或飛機的位置。
  12. Analog temperature compensation crystal oscillator ( atcxo ) is widely used in electronic equipments such as communications, navigation, radar, mobile telephone, program control telephone, measure instruments etc. as their reference frequency source, it is critical part of the above equipments, called as their “ heart ”

    模擬溫度補償晶體振蕩器（ atcxo ）廣泛應用於通信、導航、雷達、移動通信、程式控制電話、測量儀器等電子設備中。作為基準頻率源，它是上述電子設備的關鍵部件，被稱為此類電子設備的「心臟」 。
  13. Therefore, it has been widely used in the domains of communication, radar, navigation, etc. this article focuses on the generating of the function waves which include sine wave, triangle wave and square wave, depict the concepts of dds ( direct digital synthesis ) and surveying frequency on equal precision, analyze the key techniques in the development and present solutions of function generator. author also present the system structures of hardware and software, discuss the performance indexes and consider the possibility of the system. finally, with respect to the problems in debugging and testing process, author do some analyzing and present the practical solutions

    本文主要圍繞函數發生器輸出的正弦、三角和方波三種基本波形的產生這一課題來展開，闡述了其中的直接數字合成（ dds ） 、等精度測頻等概念;分析了研製函數發生器所需攻克的關鍵技術，提出了技術解決途徑;對方案軟體進行編制和系統進行設計、安裝調試，實現了課題功能;最後針對調試中出現的問題，進行了較深入的分析，並提出了實際的解決措施。
  14. With the development of modern antenna technology, a warship is fully equipped with various kinds of antennas working in different frequency bands, which greatly improve the ability of communication, navigation, defence and weapon control

    隨著現代天線技術的發展，在艦船上裝備了大量不同頻段不同類型的天線，這些天線大大提高了艦艇的通信、導航、防禦、武器控制和作戰指揮能力。
  15. At the meanwhile, since monsoon and tropical cyclone have close connections of navigation, here the paper emphasizes on the influence of el - nino & la - nina on their coming time, frequency and intension. finally, the paper brings in the problems in present academic field and the prospects of the future

    同時，由於季風和熱帶氣旋與航海活動關系密切，在此著重分析了厄爾尼諾和拉尼娜事件對季風和熱帶氣旋的發生時間、頻率及強度的影響，文章最後還提出了當前學術界存在的問題和努力方向。
  16. The major work is as following : based on the analysis of signal receiving problems when navigation receiver is in high dynamic circumstance, some typical algorithms such as maximum likelihood estimator ( mle ), extended kalman filter ( ekf ), frequency lock loop ( fll ), digital phase lock loop ( pll ) and frequency extended kalman filter ( fekf ) are deduced

    高動態下面臨著多普勒頻率、多普勒頻率變化率較大的問題，給載波跟蹤帶來了很大困難。本章分析了目前高動態接收機中普遍採用的幾種載波跟蹤演算法，對演算法的性能進行了比較。
  17. During the last century, the vhf ( very high frequency ) communication has been applied in the ship ' s transportation, as well as radar and arpa also could identify ships in the marine. but they could n ' t adapt to the needs of the modern navigation because of their limits. the rapid development of the digital communications technology, computer technology and net ware technology supports the needed technology of ais ( automatic identification system )

    上個世紀， vhf通信技術被廣泛地應用於船舶通信；雷達、 arpa具有識別船舶的功能，但是由於自身的局限性而無法適應現代航運安全的需求；隨著數字通信技術、計算機技術以及網路信息技術的飛速發展， ais的技術基礎已經搭建好，在航運界對助航設備的要求越來越高的情況下，船舶自動識別系統應運而生。
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