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- The principal advantage over the dual filter coherent detection is a four-fold reduction in bandwidth. 与双滤波器相干检波相比的主要优点是带宽减少了四分之三.
- Using the way of homodyne coherent detection, a fiber laser Doppler vibrometer is designed and completed. 采用零差的相干探测方式,设计并实现了一套光纤结构的激光多普勒振动计。
- The differential detection and coherent detection based on space-time block codes and their comparisons are studied. 摘要对基于空时分组码的差分检测算法和相干检测算法进行了研究与对比。
- Extracting the in pulse characters based on direct sampling from IF signal and quadrature coherent detection is proposed. 讨论了利用中频直接采样相干检波技术实现信号脉内特征的提取,仿真结果证明了该技术的可行性。
- Simulation results show that the signal-noise ratio (SNR) of coherent detection is lower than that of differential detection when bit error rate (BER) is same. 仿真表明：当误码率(BER)相同时，相干检测的信噪比(SNR)要比差分检测的低；
- With coherent detection, radio frequency (RF) signal can be recovered with simultaneously suppressed second-order distortion and third-order intermodulation. 通过相干检测的方式，可以恢复出不受二阶和三阶干扰的射频信号。
- When BER and constellation are same, the SNRs of coherent detection and differential detection decrease with the increase of the number of transmit antennas and receive antennas. 当误码率和星座图相同时，相干检测和差分检测的信噪比随发射天线和接收天线数量的增加而降低。
- We also investigate the benefits and defects of several PMD mitigation methods, and propose a novel method using coherent detection technology to impr... 并且研究了几种偏振模色散抑制方法的优缺点 ,提出了一种全新的相干检测技术来提高补偿性能。
- Since WCDMA up-link adopt the RAKE receiver using coherent detection system, the exact and Real-time channel fading estimation of the transmitted signal is needed to realize the phase correction and coherent reception. 由于WCDMA系统上行链路采用的是基于相干解调的RAKE接收方案，故要求对信号在多径衰落信道中所经历的衰落作出准确实时的估计，以便在RAKE接收机中实现相位纠偏和相干接收。
- By these measures, optimal coherent detection of MSK for the receiver is simplified and in accordance with the general structure of software radio.It can be easily implemented as well. 该接收机结构简单，并且符合软件无线电接收机的一般结构，能够容易的实现。
- Two PLLs are introduced,one has coherent detection circuit and integral scanning circuit,the other has assistant phase-comparator and scanning generator,and their merits and demerits are compared. 介绍了2种具有扫描捕获电路的锁相环,即具有相干检测电路和积分扫描电路的锁相环和具有辅助鉴相器和扫描发生器的锁相环,并比较了电路各自的优缺点。
- The probe is modulated by the low-frequency signal which is produced by a LF multiplexer .The modulated signal is collected and separated by means of coherent detection techniques . 通过低频多路器顺序调制探头阵列的每一个探头,并经相干检测我们可以区分不同探头的响应,实现电扫描。
- Zhang Jilong,Tian Erming,Wang Zhibin.Research on Laser Warning Receiver Based Coherent Detecting Principle and Ratio of Signal to Noise Analysis of its Optical Subsystem[J]. 张记龙，田二明，李晓，张悦，王志斌.;太阳辐射对相干激光告警接收机信噪比影响的理论分析[J]
- Char-Dir Chung, “Coherent and Differentially Coherent Detections of Orthogonally Multiplexed Orthogonal Phase-Modulation Signals” IEEE Trans.Comm., Vol.51, No.3 March 2003. 林宏泰;“正交多工正交相位调变在相加性白高斯杂讯通道下之次佳化同调与差分同调之解调”国立中央大学电机研究所硕士论文;中华民国89年6月.
- Applications of Optical Coherent Detection 光相干探测的应用技术研究
- differentially coherent detection 差动相干检波
- digital quadrature coherent detection 数字正交相干检波
- Bandpass Sampling Theorem and Digital Quadrature Coherent Detection 带通采样定理与中频采集数字正交检波
- 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。
