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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
- non coherent fequency shift keying 非相干移频键控
- Delay Coherent Demodulation and Its Artificial Realization for DC System of MSK MSK直序扩频系统延时相干解调方法及仿真实现
- A Study of Neural Network Based Coherent Demodulation for CPM Signals CPM信号相干解调的神经网络方法研究
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- Carrier Synchronization and Coherent Demodulation of Space-Time Modulation Carrying with Azimuth Message 载有方位信息的时空调制信号载波提取与相干解调
- Experimental Study on Coherent Demodulation For Binary Chaos Shift Keying Signals 二进制混沌键控信号相关解调的实验研究
- A Carrier- synchronization Method Applied to Poly - phase Coherent Demodulation Communication 一种适用于多相相干解调的载波同步方法
- I had had a few beers and was completely non compos mentis. 我喝了些啤酒就头昏脑胀了。
- He was declared persona non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- Keywords high speed underwater communications;coherent demodulation;diversity receiving;adaptive equalizing; 高速水下通信;相干解调;分集接收;自适应均衡;
