frequency agility 中文意思是什麼
frequency agility
解釋
頻率機敏-
On the base of researching the theory of the scheme and analyzing the signal feature, it is obtained that the existence manners and character of distance information in the differential frequency signal. at the same time, a new conclusion is gained that the technology of frequency agility can decrease the constant error of system. it is also to say that frequency agility and frequency modulation fixed - distance fuze has the similar feature to random period frequency modulation fixed - distance fuze. according to the theory of address coding in the hopping - frequency communication, the paper presents the principle of selecting the frequency agility sequence which fit to the radio fuze and constructs the frequency agility sequence family based on the rs codes
在深入研究方案原理和分析信號特徵的基礎上，獲得了該體制引信差頻信號中，距離信息的存在形式和特點，得出了頻率捷變技術的引入降低了系統定距固定誤差這一新的結論，即頻率捷變調頻定距引信在定距性能上具有類似隨機周期調頻定距的特徵。本文引入跳頻通信地址編碼理論，結合無線電引信的具體特徵，提出了適用於無線電引信的頻率捷變序列的選擇原則，並構造了基於rs碼的寬間隔頻率捷變序列族。 -
In order to exert the speed performance of gaas mid frequency switch and improve the agility to be compatible with ttl control electric level of most present system, we studied the gaas mid frequency switch with ttl driver
為了充分發揮gaas開關的速度性能，提高gaas微波開關的使用靈活性，以及與目前多數系統中的開關ttl控制電平相兼容，我們對ttl電平驅動器的gaas中頻開關進行研究。 -
The synthesizer with the low phase noise, highly pure spectrum and high - speed frequency agility has became the tendency to the frequency synthesis technology
低相位噪聲、高純頻譜和高速捷變的頻率合成器成為頻率合成技術發展的主要趨勢。 -
This paper applies the technology of frequency agility to radio fuze which has been applied widely in the field of radaf and communication, and introduces a scheme of frequency agility and frequency modulation fixed - distance fuze which has good precision of fixed - distance and strong ability of anti - interference
本文將應用於雷達和通信領域的頻率捷變技術引入到無線電引信，提出了一種既具有較高定距精度，又具有較強抗干擾性能的新的頻率捷變調頻定距引信方案。 -
Detail specification for frequency agility pulsed magnetron of type ckm - 709 709a
Ckm - 709 709a型捷變頻脈沖磁控管詳細規范 -
Frequency ’ s switching time, which directly affects the hopping speed of interferential system as well as radar ’ s frequency agility, is being paid more and more attention. this paper mainly analyzed the frequency synthesizer ’ s agile character
其中，捷變時間這一指標，由於直接影響到跳頻干擾和抗干擾系統的跳速，以及雷達頻率捷變特性，越來越受到人們的關注。 -
This paper gives us too ways ： one is to adopt a better modulation mechanism, s - cdma, to bate noise jamming. the other way is to implement automatic frequency agility under strong noise, based on the ranging and burst configuration mechanism of current docsis protocol, meanwhile, guaranteeing cmts ' s normal operating. this paper comprehensively analyzes the anti - jamming mechanism of docsis, then presents the specific implementation of the latter method
如何降低噪聲對網路的危害，本論文指出了兩個方向，其中一個就是在調制體制上下工夫，採用s - cdma體制，通過改變調制方式來主動的抑制噪聲的影響；另一個方向就是基於現在協議提供的抗噪聲干擾的機制，充分挖掘測距機制和靈活的突發配置機制的抗干擾潛力，以不影響頭端設備的正常運行為前提，以它們為基礎實現能自動避開強噪聲干擾的頻率轉移。
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