相干接收 meaning in Chinese
coherent reception
Examples
- Some problems of wireless transmission are discussed in the paper , centering on the design of high performance physical channel structure , synchronization technique ( acquisition and tracking ) and coherent detection technique
本文围绕高速业务无线传输中的高性能物理信道结构设计、码捕获与跟踪同步技术、载频提取及相干接收技术等问题展开研究。 - 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。 - Based on the coherent reception theory of radio signals and the theory of digital signal processing , the effects of carrier frequency offset , sampling clock offset , and symbol timing offset on ofdm signals are exploited . a series of amendments and new algorithms is derived from the in being algorithms of guard interval based symbol timing and frequency offset estimation , frequency - domain frequency offset , sampling offset , and symbol timing offset estimation
以无线信号的相干接收和数字信号处理理论为基础，就载波频偏、采样钟偏差和符号定时偏差对ofdm信号的影响进行了分析，对基于保护间隔的符号定时与载波频偏估计算法和多种现有频偏、采样钟与符号定时偏差的频域估计算法进行了研究，提出了一系列改进措施与新算法。