下变频的英文

• down-conversion

• "下"英文翻译    below; down; under; undernea ...
• "变频"英文翻译    frequency conversion
• "数字下变频" 英文翻译 :    digital down convert
• "下变频器" 英文翻译 :    bdc (block down converter); low-converter
• "下变频器25" 英文翻译 :    block down-converter
• "下变频信号" 英文翻译 :    downconverted signall
• "参量下变频器" 英文翻译 :    parametric downconverter
• "低杂讯块下变频器" 英文翻译 :    low noise block down converter (ln
• "低噪声块下变频器" 英文翻译 :    low noise block down-converter (lnb)
• "变频" 英文翻译 :    [电子学] frequency conversion◇变频电路 frequency changer circuit
• "下变差" 英文翻译 :    lower variation; lowervariation
• "下变的" 英文翻译 :    steady
• "下变换" 英文翻译 :    down conversion
• "下变性" 英文翻译 :    fixity
• "地下变电所" 英文翻译 :    underground substation
• "地下变电站" 英文翻译 :    subway substation; underground substation
• "地下变压器" 英文翻译 :    subway transformer
• "地下变压站" 英文翻译 :    underground substation
• "下变换器" 英文翻译 :    down-converter
• "向下变迁" 英文翻译 :    downward transition
• "变频机,变频器" 英文翻译 :    frequency changer
• "频率下变换器" 英文翻译 :    frequency down convertor
• "变频车" 英文翻译 :    carriage for frequency converting
• "变频法" 英文翻译 :    frequency variation method; variable-frequency method
• "变频管" 英文翻译 :    convertor; frequency converter tube

• Ddc technology based on band - pass sampling
  基于带通采样的数字下变频技术
• Digital down converter is one of the key technology of the sdr
  数字下变频是软件无线电中的关键技术之一。
• One is the digital down conversion . the method of look - table is described in detail
  其一是数字下变频算法，重点说明了其中的查表法及其推广。
• Being based on the theory of the sdr , the topic researched the actual model of ddc
  本课题以软件无线电的理论为基础，研究了数字下变频的实际处理模型。
• The receiver used two stages of down conversion . the total gain of receiver is more than 43db
  接收支路采用超外差两次下变频的方式,实验表明接收支路的总增益大于43db 。
• Then this paper delves into the application of downconvertion as baseband recovery in the spread communication system
  随后就下变频在扩频通信系统中用作基带的恢复做了深入地研究。
• Digital down converter ( ddc ) is one of the core technologies in the software defined radio ( sdr ) receiver
  数字下变频( ddc : digitaldownconvert )技术是软件无线电接收机的核心技术。
• This paper mainly expounds the techniques of downconvertion and error connection encode in leo spread spectrum communication system
  本文主要研究在特种小卫星扩频通信系统中的下变频和纠错编码技术。
• The digital if signal is converted to zero if by digital down converter , then taken fft spectrum analysis with hann window in advance
  数字中频信号首先通过数字混频下变频至零中频，然后作加海窗的复fft谱分析。
• Above all , the basic theory of digital receiver , such as the technique of sample , multirate signal processing , digital down converter , is introduced
  首先介绍了数字接收机的基本理论:采样技术、多速率信号处理和数字下变频。