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- Related problems, such as quick capture of direct spread sequence, MSK coherent demodulation, are also involved. 讨论了存在强干扰条件下MSK中频数字接收机的频域窄带干扰抑制、伪码快速捕获、MSK相干解调等实现方法。
- Finally, Its feasibility is analyzed by simulating the A/D, DUC/DDC, DPSK signal's coherent demodulation and carrier synchronization. 最后通过对 A/D、数字上/下变频、DPSK 信号的相干解调及载波同步等算法的仿真分析,验证了各模块的参数设计及系统可行性。
- Carrier recovery is the key technology for coherent demodulation receiver in RF communication,and carrier recovery algorithm directly determiner the performance of the receiver. 载波恢复技术是无线电射频(RF)通信中相干解调接收机不可缺少的关键技术之一。
- Channel estimation is one of the key techniques for OFDM systems. Compared with the differential demodulationn, coherent demodulation with accurate channel information can achieve 3-4 dB gain in signal-to-noise ratio (SNR). 信道估计是OFDM系统中的关键技术之一,利用信道信息的相干解调系统与不利用信道信息的差分解调系统相比,在信噪比(signal-to-noise ratio,SNR)上可以有3 dB以上的性能提高。
- Chapter 2: Analyzes all factors influenced on the OFDM coherent demodulation and puts forward an algorithm of carrier frequency offset synthetical estimation for OFDM system in Wireless LAN environment based on IEEE 802.11a OFDM baseband system. 第二章 分析了各种因素对OFDM相干解调的影响，提出了一种IEEE802.;11a OFDM基带系统的载波频偏综合估计算法，并给出性能仿真结果和分析。
- The result of simulation in MATLAB indicates that the model satisfies the demand for digital coherent demodulation in real world and is realizable by high-speed EPLD and DSP chips. 仿真结果表明，所设想方案可以满足实际情况下对相干解调功能的要求，其低复杂度的设计易于用高速EPLD器件及硬件逻辑实现。
- differential coherent demodulation 差分相干调制
- quadrature coherent demodulator 正交相干解调器
- coherent demodulator 相干解调器
- The views of party leaders coalesced to form a coherent policy. 党的领导人的各种观点已统一为一致的政策。
- They seem to have no coherent plan for saving the company. 他们似乎没有一个协调一致的挽救公司的计划。
- The property of being coherent, as of waves. 相干性相干的性质，如波的
- Their views coalesced to form a coherent policy. 他们的各种观点已统一为一致的政策。
- It's the combination of modulator and demodulator. 调制解调器是由调制器和解调器组成。
- The government lacks a coherent economic policy. 政府缺乏协调的经济政策。
- The material must be moderately coherent and firm. 材料必须有适度的粘着力和坚固性。
- These two paragraphs are not coherent enough. 这两段文章不太接气。
- Being without sequential order or coherent form. 不连贯的以不连续的顺序或不连贯的形式的
- He's not very coherent on the telephone. 他打电话时语无伦次.
- The combining of separate elements or substances to form a coherent whole. 综合把分别的元素或物质连接成连贯的一个整体
