coherent demodulation中文是什么意思

• 相干解调

• "coherent"中文翻译    adj. 1.紧密地结合着的；凝聚性的。 2.(话等)有 ...
• "demodulation"中文翻译    n. 【无线电】解调，反调制；检波。
• "differential coherent demodulation" 中文翻译 :    差分相干调制
• "non coherent demodulation" 中文翻译 :    非相干解调
• "demodulation" 中文翻译 :    n. 【无线电】解调，反调制；检波。
• "coherent" 中文翻译 :    adj. 1.紧密地结合着的；凝聚性的。 2.(话等)有条理的，首尾一贯的；一致的。 3.【光学】相干的，相参的。
• "amplitude demodulation" 中文翻译 :    振幅解调
• "channel demodulation" 中文翻译 :    通路解调; 信道解调
• "chroma demodulation" 中文翻译 :    色度解调
• "chrominance demodulation" 中文翻译 :    色度解调; 色度信号解调
• "complex demodulation" 中文翻译 :    复解调
• "dem demodulation" 中文翻译 :    解调
• "demod demodulation" 中文翻译 :    解调
• "demodulation amplifier" 中文翻译 :    解调放大器
• "demodulation angle" 中文翻译 :    解调角
• "demodulation by filter" 中文翻译 :    滤波解调
• "demodulation circuit" 中文翻译 :    解调电路
• "demodulation current" 中文翻译 :    解调电流
• "demodulation distortion" 中文翻译 :    解调失真
• "demodulation effect" 中文翻译 :    解调效应
• "demodulation factor" 中文翻译 :    解调系数
• "demodulation function" 中文翻译 :    解调函数
• "demodulation gain" 中文翻译 :    解调增益
• "demodulation linearity" 中文翻译 :    解调线性
• "demodulation method" 中文翻译 :    解到式

• Non - coherent demodulation of bpsk signal based on time measuring
  信号非相干解调方法
• The coherent demodulation and adaptive demodulation are both realized in these forementioned systems in system view , and the corresponding theory is proved by analyzing and comparing in simulation
  在systemview中仿真实现了上述信号的相干解调和自适应解调两种方法,并模拟通信的实际环境分析对比解调性能,验证前述的理论分析。
• However , the high demand in frequency domain involves precise synchronization both in time and frequency domain . while because of the different channel characteristics in each channel , the receiver needs some mechanisms to characterize the channel effects in coherent demodulation
  然而，频域的高要求对应于同步技术的高要求；另外，各个子信道不同的信道特征，要求接收端相关解调用一定的机制来近似每个子信道的信道特征。
• The conclusion is identified by computer simulation . the paper studies a noncoherent demodulation based on differential encoding in mc - cdma system and makes computer simulation of ber performance compared with that of coherent demodulation based on perfect channel estimation
  研究分析了一种使用差分编码的非相干接收mc - cdma系统，对频率选择性瑞利衰落信道条件下的误码率性能进行了计算机仿真，并且和基于理想信道估计的相干解调方案进行了比较。
• Following this , the thesis research digital demodulation of qpsk and analyze the digitalizing means of key module . digitalizing demodulation arithmetic is given . the thesis also researched in phase ambiguity of coherent demodulation , and then brings forward a new method for settling phase ambiguity
  而后研究了qpsk的数字化解调，分析了关键模块的数字化方法，给出了数字化解调算法，并研究了相干解调中的相位模糊问题，提出了一种解决相位模糊的新方法。
• Firstly , on the base of analyzing psk ' s theory and audio - card ' s constitute and data transfers , bdpsk and qdpsk soft - modulation and soft - demodulation systems based on audio - card are studied and implemented , including generating digital carrier sequence , synchronizing carrier , designing filter , sampling and judging , etc . the system adopts coherent demodulation method , synchronizing carrier adopts costas loop
  本文首先分析了调相信号调制解调的基本理论和多媒体计算机( mpc )声卡组成原理及数据传输等方面的内容，然后研究并实现了基于计算机声卡的bdpsk和qdpsk信号软件调制解调系统，内容包括数字载波序列的产生、载波同步、滤波器设计，信号的抽样判决等。
• Second , this paper design the simulation scheme of bicm for comparing the performance over fading channel and awgn channel that combine 2 / 3 rate , 4 states punctured convolutional code with 8psk modulation , matching block interleave or random interleave , transform through rayleigh channel or awgn channel and use the way that combine coherent demodulation with viterbi decoding in receiver . design the scheme of bicm _ id that use the iterative decoding technique and the scheme of tcm for compare
  为了验证bicm和bicm _ id在衰落信道和加性高斯白噪声信道( awgn )下的性能,设计了一个2 / 3码率, 4状态的凿孔卷积码经过块交织或随机交织,与8psk调制相结合,在rayleigh信道下或awgn信道下传输,接收端采用相干解调与维特比译码相结合的bicm方案,在接收端引入迭代反馈译码的bicm _ id方案,以及与之相比较的tcm方案。