electronic frequency counter 中文意思是什麼
electronic frequency counter
解釋
電子頻率計數據- electronic : adj. 電子的，電子操縱的；用電子設備生產的；用電子設備完成的。adv. -cally
- 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。
- counter : n 1 計算者；計算器；計數器。2 籌碼，號碼；偽幣；劣幣；〈蔑稱〉錢；棋子；湊數的人，玩具似的人。3 ...
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The technology of very low bit rate for hf ( high frequency ) communication means that, one technology of ecm ( electronic counter measures ) resistant communication is developed for low bit data message exchange in the time of battle which data communication is destroyed by electronic disturber. it is regarded by armies in the battle of information, because that it can overcome the very low snr ( signal noise ratio ), very high narrow - band interference and multipath with maxium delay of fifty millisecond
短波最低限度通信技術是在戰時強電磁干擾情況下能實現保證最低限度的數據報通信的一種抗干擾通信技術。由於其能有效的克服極低信噪比、較強的窄帶干擾和幾十毫秒的多徑，在信息戰中受到各軍高度重視。 -
With the development of the modern wireless communications, the request for the frequency synthesizers is higher and higher in the system of the mobile communication, radar, guided weapon and electronic counter
隨著現代無線通信事業的發展，移動通信、雷達、制導武器和電子對抗等系統對頻率合成器提出了越來越高的要求。
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