信号相位

基于MEMS技术的差分式微波信号相位检测器

Differential microwave phase detector based on MEMS technology

分析了信号相位匹配原理的方位估计性能，并与MUSIC方法和常规波束形成方法的方位估计结果进行了比较；

The performance of direction estimation by using signal phase matching principle was analyzed and compared with that by using MUSIC and Conventional Beamforming Methods ( CBF ) .

估计星载合成孔径雷达（SAR）的多普勒调频率，建立星载SAR方位向信号相位的多项式模型。

The Estimation of spaceborne SAR Doppler frequency rate is studied .

设计一个采用DSP技术和数字相关法测量两路正弦信号相位差的检测系统。

A measurement system for sine signal phase difference is designed by using DSP and digital correlation method .

通过分析及对比，提出了利用FFT谱分析进行信号相位差估计的方法。

Through analysis and comparison , proposed the use of FFT spectrum analysis as the phase difference estimation method .

基于遗传算法的OD矩阵推算和混合交通信号相位优化研究

Research on OD Matrix Estimation & Signal Phase Optimization under Mixed Traffic Condition Based on Genetic Algorithm

基于单脉冲相关积累的PSK信号相位编码调制规律分析

The Analysis of PSK Modulation Rules Based on the Coherent Integration of Single Pulse

本文分析了Omega导航台中E台和G台到河南新乡两条路径上，信号相位的变化。

In this paper , phase changes of VLP signals for two propagation paths from E station and G station of Omega system respectively to Xinxiang are analysed .

OD矩阵推算和混合交通信号相位优化是智能交通系统领域中两个重要的优化问题。

O-D matrix estimation and signal phase optimization under mixed traffic condition are two of the important optimization problems in the field of ITS .

通过分析分数阶Fourier变换功率谱与信号相位微分的关系，提出了根据信号密度分布和分数阶Fourier谱估计信号瞬时频率的方法。

The relationship between the fractional Fourier power spectrum and signal 's phase differentiation operation are considered . A novel method for solving the instantaneous frequency estimation problem from only intensity distributions and the fractional Fourier spectrum is proposed .

提出一种基于快速傅立叶变换（FFT）的算法来计算噪声环境中的有用信号相位，可用于无线通信中双传声器应用系统中的自适应定向。

This paper proposes a Fast Fourier transform ( FFT ) based algorithm to compute the desired signal phase in noisy environments for implementing adaptive directionality of dual microphone application systems such as wireless communications .

基于相位信息的TR接收机，通过对信号相位信息的估计可以得到比传统的时域TR接收机更好的系统性能，并可以取得更高的传输速率。

The TR receiver based on phase information estimates the phase of the signals to achieve the better performance than the traditional one . Moreover , it can reach a higher transmission rate .

对系统进行的性能测试表明，I、Q双通道采集到的信号相位一致性能较好，A/D有效位数为6位以上，满足实际应用的需要，适用于高速数字信号处理领域。

The result of performance test shows that the inter-channel consistency of dual-channel sampling circuit is perfect and the ENOB of ADC is more than 6 bits , which satisfies the application requirement . The system can be applied in the field of high-speed digital signal processing .

在简要介绍数字信号相位抖动和漂移的基本概念之后，重点阐述对于准同步数字序列/同步数字序列（PDH/SDH）网络的相位抖动和漂移所带来的传输损伤，并介绍ITU-T最新建议O。

Firstly , This paper presents the basic conceptions of the Jitter and the Wander , and describes the transmission impairment caused by the Jitter and the Wander . Then , emphatically introduces the new ITU T recommendation O.

3针对目前微弱正弦信号相位检测方法中存在的不足，提出基于Duffing混沌振子检测微弱正弦信号相位的一种新方法，即相位振子阵列法。

Because there is some deficiency of the current phase detection methods , this thesis proposes a new method on phase detection of weak sinusoidal signal based on the Duffing chaotic oscillator , namely , the phase oscillator array method .

最后根据实际应用对DRFM的相位相干性进行了说明应用滑动窗口实时计算脑电信号相位相干性指数；

In the end , some explains are given to the phase coherence of the replicated signals for sake of DRFM 's practical uses . Phase coherency index of EEG was calculated with real time of gliding window .

基于偶对称性小波的双路振动信号相位精确测量

Accurate Phase-Measuring of Two-Channel Vibrating Signal Based on Meyer Even Symmetry

工频信号相位和幅值测量的新方法

A new Method of Measuring Phase and Amplitude of Commerical Frequency Signal

一种改善和监视射频或微波信号相位噪声的新方法

A New Method for Improving and Monitoring Phase Noise in Microwave Signal

基于信号相位匹配的相干源高分辨方位估计算法

A Better High-Resolution Algorithm for Direction Estimation of Coherent Sources

基于小波包分析的激磁信号相位漂移检测方法

Detecting Method of Phase Drift in Excited Signals Based on Wavelet Packet Analysis

滞后型颤振信号相位测量的研究

A Study on the Phase Measurement for Two Signals in Phase Delayed Chatter

码盘偏心对叠栅条纹信号相位的影响

The Affect on Phase of Moire Fringes ′ Signal Caused by Shaft Eccentricity

交叉口行人信号相位配时方法研究

Study on Method for Pedestrian Signal Timing at Intersections

基于虚拟仪器的电网信号相位差测量的研究

Research of Phase Difference Measurement for Power System Signals Based on Virtual Instrument

步进频率信号相位对消合成运动目标距离像

Phase Cancellation for Synthesizing Range Profiles of a Moving Target via Stepped Frequency Signal

雷达接收机信道对脉冲信号相位谱干扰模型的分析与处理

Analysis and Process of the Interference Model of Pulse Signal Phase-spectrum by the Radar Receiver Channel

它用比较两路信号相位来判断血流的方向。

By comparing the signal phases on two channels , the direction of blood flow is decided .

本文对特种激光外差通信系统接收中频信号相位受大气湍流随机起伏进行了实验测试。

The phase fluctuations of receiving IF signal of special type laser heterodyne communication system are measured .

柔性转子键相信号初始相位及振动信号相位的确定

Determination of Initial Phase of Key Phase Signal and Phase of Vibration Signal in Flexible Rotor Balancing