transmitter key 中文意思是什麼

transmitter key 解釋
發報機電鍵
  • transmitter : n 傳送者；傳達者；寄交者；傳導物；遺傳者；【無線電】發送機；發射機；發報機；送話機，話筒；【火箭...
  • key : n 1 鑰匙。2 要害，關口，要沖。3 關鍵，線索，秘訣；解法。4 （外國書的）直譯本，圖例，題解，圖解，...
  1. As the key block of the wireless communication transmitter in rf, it is very useful in improving the output power and efficiency, lowering the loss of the supply, lowering the size and the weight, lengthening the time of communication. class e power amplifier which is suitable to amplify envelop signal is very important in modern communication system

    功率放大器（ pa ）作為無線通信射頻發射機中不可缺少的關鍵電路，對于提高手機的功率效率、降低電源損耗、減小體積重量、延長通話時間有著舉足輕重的作用，而適用於恆包絡信號放大的e類功率放大器，更是在現代通信系統中佔有十分重要的地位。
  2. The major job is manufactured a transmitter, which has three upmixer channels. its function is to up convert the signals from c - band to ka - band. the input local oscillator is provided by a low frequency crystal oscillator which has a good performance of phase noise, through 512 times multiply to ka band. this sysetem is used in the laboratory as transmitter source of the fuze, for the multidimensional objects in practise, which lead to the complexity of the reflect signal, so the amplitude, frequency and the phase of the transmit signals both have a key role in dealing with the reflection signals. therefore, this system requires for both the coherence of the single channel ’ s amplitude, phase and multi channels

    本文的主要工作是應用戶要求製作一具有三發射通道的上變頻系統，可以將c波段的微波信號上變頻到ka波段的毫米波信號。系統的本振輸入基頻由一相位噪聲非常好的低頻率晶振提供，經過512次的倍頻放大至ka波段。本系統作為實驗室中引信的發射源，由於目標反射信號具有時變的多維性，反射信號變得極為復雜，在信號處理時，不僅信號幅值、頻率有決定意義而且相位關系也很有決定意義。
  3. The underwater - radio buoy for use as obtaining the ocean " s acoustical parameters is a underwater acoustic signals record system which has long distance radio remote control and data transmit function. the technology key of the dissertation study is that under the requirements of the system the monitor and record equipment on the acoustic source vessel, the monitor and record equipment on control vessel command and control the work slate of the buoy system by radio data transmitting mode of short wave transmitter - receiver

    海洋環境參數獲取浮標監測系統屬于具有長距離無線電遙控?數傳功能的水下聲信號接收記錄系統，本論文研究目標的技術關鍵在於根據系統要求，指揮船和發射船監控記錄設備通過短波電臺以無線數傳方式，對浮標系統的工作狀態進行指揮和控制，浮標則通過同一短波通道向指揮船上報浮標方位、工作狀態、關鍵數據及非常狀態下的報警信號等。
  4. This dissertation tracks the most recent direction of mimo - ofdm systems studies and makes a thorough research on the key technique and algorithms of the transmitter signal design as well as detection algorithms at the receiver

    本文就目前mimo - ofdm系統的研究熱點:發射信號方案設計和接收端信號檢測中的關鍵技術和演算法進行了深入的研究。
  5. Travel time is the key point of system, its measure quality decides the survey precision of the stress. time to digital convertor ( tdc ) was applied to accomplish the precision time interval measurement. at the same time, one transmitter - two receivers probe arrangement and zero - crossing detecting method were also applied to reduce the errors in measurement

    傳播聲時是整個測量系統中的關鍵量，其測量水平決定應力的測量精度，對此本文採用時間-數字轉換器（ timetodigitalconvertor ， tdc ）完成高精度時間間隔測量，在實現過程中又分別採用「單端發射-雙端接收」的探頭布局模式和「過零檢測」手段來降低系統檢測誤差。
  6. Key words active filter, current transmitter

    關鍵詞有源濾波器，電流傳輸器
  7. In chapter 5, the complex envelop simulation block diagrams of fh transmitter and receiver are presented at first. then key techniques of simulation system are discussed, including frame processing structure, fh sequence generator, etc. finally, simulation models of fh transmitter, receiver and jammer are presented. the influence of frequency excursion on performance of multi - tone continuous wave jamming is analyzed

    第五章首先設計了跳頻發信機成員和接收機成員的復包絡模擬框圖;其次討論了跳頻模擬系統實現的關鍵技術，包括幀處理結構、跳頻序列發生器等;最後給出了跳頻通信發信機、接收機以及干擾機成員的模擬模型，分析了頻率偏移對多頻連續波干擾性能的影響。
  8. Pcm transmitter is the key part of reentry telemetry system and its level influences the development of the entire system

    Pcm發射機是再入遙測設備的核心部件，它的發展水平直接影響再入遙測系統的發展。
  9. According to the characteristic of gyrotron, key technologies and design methods of the transmitter such as all solid - state modulator are also discussed

    根據迴旋管放大器的組成和特點，討論了發射機中應用的全固態調制器等關鍵技術及其設計方法。
  10. The pfm as the key technology in the pfm optic transmitter is discussed

    分析了pfm光發射機設計中的一項關鍵技術，即脈沖頻率調制。
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