English translation for "coherent demodulation"
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- 相干解调
Related Translations:
- Example Sentences:
| 1. | Non - coherent demodulation of bpsk signal based on time measuring
信号非相干解调方法 | | 2. | 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。 | | 3. | 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。 | | 4. | 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。 | | 5. | 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。 | | 6. | 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。 | | 7. | 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。 |
- Similar Words：
- "coherent communication system" English translation, "coherent completion" English translation, "coherent condition" English translation, "coherent cross section" English translation, "coherent crustal plate" English translation, "coherent demodulator" English translation, "coherent detection" English translation, "coherent detector" English translation, "coherent digital communication" English translation, "coherent display" English translation
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