調頻發射機 的英文怎麼說

中文拼音 [diàobīnfāshèjī]
調頻發射機 英文
fm transmitter
  • 調 : Ⅰ動詞1 （配合得均勻合適） harmonize; suit well; fit in perfectly 2 （使配合得均勻合適） mix; adju...
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 發 : 名詞（頭發） hair
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 機 : machineengine
  • 調頻 : frequency modulation （fm）; frequency adjustment調頻磁帶錄音機 f m magnetic tape recorder; 調頻...
  1. Khz high pulse repetition frequency multibeam klystron transmitter

    高重頻多注速調管發射機110
  2. In this paper, research on the algorithm of complete digital if and baseband transmission system and the realization of transmitter and receiver. / 4 - dqpsk is chosen as digital modulation scheme. the scheme of demodulation is baseband differential detection. sliding correlator can realize the symbol synchronous acquisition ; early - late gate synchronizer is used to do symbol synchronous tracking

    系統的發射機選定/ 4 - dqpsk為調制方式，接收機採用基帶差分解調的非相干解調方式，滑動相關器捕獲發送的pn序列，早遲門同步器跟蹤符號同步，使用相關器對同步后的符號進行最佳判決，並在這些演算法實現的基礎上，實現了直接序列擴頻和解擴技術。
  3. When there is a modulated signal from transmitter, there are side bands.

    只要在發射機中存在調制信號，就含有旁頻帶出現。
  4. Technical parameters and measuring methods for fm broadcasting transmitters - monophonic and stereophonic

    調頻廣播發射機技術參數和測量方法單聲和立體聲
  5. Feedforward is generally known as the best performing linearization technique for its advantages, such as broadband, stability, etc. this paper introduces the theories of power amplifier nonlinear characters and feedforward technique. according to the rf specifications in 3gpp for wcdma transmitter power amplifier, an adaptive feedforward amplifier system is completed including eda simulation, circuits layout and main mechanical structure design

    本文根據3gpp對wcdma發射機功率放大器的射頻指標要求，在對功率放大器的非線性特性和前饋技術的特性進行詳細理論分析的基礎上，結合eda模擬工具，設計了基於自適應前饋的功放系統，並完成了系統的調試和測試。
  6. Methods of measurement for radio transmitters - transposers for fm sound broadcasting

    無線電發射機測量方法.第11部分:調頻廣播轉發器
  7. Methods of measurement for radio transmitters - performance characteristics for fm sound broadcasting

    無線電發射機測量方法.第13部分:調頻廣播特性
  8. Fibre optic communication subsystem test procedures - digital systems - time - resolved chirp and alpha - factor measurement of laser transmitters

    纖維光學通信子系統試驗程序.數字系統.激光發射機的時間分辨線性調頻脈沖和因數測量
  9. Fibre optic communication subsystem test procedures - part 2 - 10 : digital systems ; time - resolved chirp and alpha - factor measurement of laser transmitters

    纖維光學通信子系統試驗程序.第2 - 10部分:數字系統.激光發射機的時間分辨線性調頻脈沖和因數測量
  10. Technical specifications and methods of measurement for fm broadcasting transmitters at vhf

    米波調頻廣播發射機技術要求和測量方法
  11. Principle and repair of rf pa module for dx - series digital am transmitter

    系列數字調幅發射機射頻功放模塊的原理及維修
  12. Methods of measurement for radio transmitters. part 11 : transposers for fm sound broadcasting

    無線電發射機的測量方法.第11部分:調頻聲廣播用轉播發射機
  13. The transmitter adopt qam modulation mode, which is a directly modulation upper frequency conversion mode, which could afford more high bit rate transmission in the same bandwidth compared to other modulation mode

    發射機採用數字式調制方式，即qam直接調制上變頻方式，相對于其它調制方式可以實現在相同帶寬下的高碼率傳輸。
  14. In wcdma system which uses direct sequence to spread spectrum, the spread spectrum code ( pn code ) phase of the receiver must be synchronized with that of the received signal precisely to despread and demodulate the signal correctly. multipath channel exists in the mobile communication environment for the radio signal reflection by obstacles between transmitters and receivers. by using the autocorrelation of the spread sprectrum code, rake receiver can process received signals and therefore multipath components can be resolvable

    在wcdma系統中，為正確解擴解調接收到的擴頻信號，接收機本地產生的擴頻碼（ pn碼）相位必須和接收信號中的擴頻碼相位完全同步;同時移動通信環境中的傳輸信號由於接收機和發射機之間的直達路徑有可能被建築物或其他障礙物所阻礙，總是經過折射或反射的多條路徑后才到達接收機，從而產生多徑通道。
  15. Radio broadcasting systems - very high frequency, frequency modulated, sound broadcasting transmitters ; english version ets 300384 : 1995

    無線電廣播系統.甚高頻調頻的聲音廣播發射機
  16. An analysis of quantization noise in fm transmitter at intermediate offset frequencies

    對調頻發射機在中頻偏移下的量化噪聲分析
  17. The realization of high code rate property is also mentioned. in the end of this paper, the author lays the emphasis on the circuit realization of high - code - rate pcm transmitter with quasi two - point injection techniques

    本文的最後部分，作者重點對準兩點注入式高碼速率發射機（主要是調頻源）的電路實現作了詳盡的分析。
  18. Methods of measurement for radio transmitters ; part 13 : performance characteristics for fm sound broadcasting

    無線電發射機的測量方法.第13部分:調頻播音的特有性能
  19. As for the tv transmitter of uhf of which the power grade is above 10kw, the valve power amplifier such as the electron tube, klystron and iot are widely adopted in high - frequency linear power amplifier

    功率等級在10kw以上的uhf （特高頻）電視發射機，其高頻線性功率放大器普遍採用電子管、速調管、感應輸出管（ iot ）等電真空管放大器件。
  20. In this paper, the author comprehensively expatiates the research on microwave phase in - lock frequency modulation. at first, the background of reentry telemetry system and the features of pcm telemetry system are presented, and then the author mainly discusses the application of phase in - lock fm techniques in the design of pcm transmitter and the analysis of characteristics of binary pcm reentry telemetry channel

    在文章的前面，作者簡單介紹了目前再入遙測技術發展現狀和pcm系統的特點；然後給出了二元pcm再入遙測通道的系統分析和高碼速率數據傳輸實現的主要途徑；在文章的第三部分，討論了鎖相調頻技術及其在pcm遙測發射機中的實際應用。
分享友人
分享到 Line

分享到臉書