coherent system of units

Study on coherent phase modulation of coherent population trapping in V-type atomic system;

V型原子系统中相干布居俘获的相干相位调制研究

In order to achieve high data rates on the severely band-limited UWA channels, band-width efficient phase-coherent modulation techniques must be e.

本文详尽的研究了线性和非线性自适应均衡器的算法，对其性能进行了仿真；对相位相干调制解调技术的实现，尤其是载波恢复的方法进行研究，将载波恢复系统和自适应均衡器的参数调整联合起来，从而提高相干水。

The results show that the phase coherence among the impurity atoms within magnetic particle plays a key role for the origin of maximum GMR.

用双流模型研究磁性金属一金属型颗粒膜（Ｆｅ－Ａｇ，Ｃｏ－Ａｇ）中巨磁电阻（ＧＭＲ）极大值特性结果表明，磁性颗粒内杂质原子之间的相位相干，对磁电阻极大值的产生有重要影响这种相位相干与外场磁化的综合作用使颗粒膜巨磁电阻的尺寸关系表现出非单调的特征，井用该模型计算和讨论了巨磁电阻的其它性质，结果与实验符合较

In order to keep phase coherence between the transmitter and the receiver,we implemented a method in which the frequencies of the transmitter and the receiver were switched simultaneously during pulse sequence execution,and reset to their original values,respectively,at the end of sequence.

讨论了一种在核磁共振成像数字谱仪中保证射频发射机与接收机之间射频信号相位相干的方法,该方法在成像脉冲序列执行过程中,同步切换发射机与接收机的频率,并在脉冲序列最后,将发射和接收频率恢复到脉冲序列最初的频率值,从而实现发射与接收的信号相干,其优点是无需加入额外的"回绕延时",从而使得脉冲序列的编写得到简化,并且该方法不依赖于磁共振谱仪发射机和接收机硬件部分的具体结构,是适用于数字化谱仪的一种普遍的方法。

The optimum measuring condition of the laser diode interferometer can be determined by choosing appropriate physical parameters of the laser diode.

选择恰当的物理参数可满足正弦相位调制干涉仪最佳测量条件。

In sinusoidal phase modulating laser diode interferometer, the main error source is the variation in output light intensity of light source.

在半导体激光正弦相位调制干涉仪中，光源输出光强的变化是测量误差的主要来源。

Phase Modulation and Demodulation of Interferometric Fiber-Optic Hydrophone Using Phase Generated Carrier Techniques;

干涉型光纤水听器相位载波调制解调技术研究

A Method to Reduce Influence of Multi-Beam Interference in Sinusoidal Phase Modulation Fizeau Interferometer

减小正弦相位调制菲佐干涉仪多光束干涉影响的方法

The Initial Modulation Phase Influence and Calibration in Orthogonal Demodulation for Optical Fiber Interferometric Sensor

干涉型光纤传感器的正交解调中调制初相位影响及校正算法研究

Study and comparison of the fringe phase demodulation algorithms

干涉图象相位解调算法的比较研究

Vibrating Object Shape Measurement Base on a Grating Interferometer for Sinusoidal Phase-modulation

基于正弦相位调制的光栅干涉法测量振动物体面形的研究

Studying phase Modulation Characteristics of Liquid Crystal Spatial Modulator by Using Cyclic Radial Shearing Interference;

利用循环式径向剪切干涉术研究液晶空间光调制器的位相调制特性

Research on Micro Displacement Sensor Based on Phase Grating Interference

一种基于相位光栅干涉微位移传感器的研制

Study of Digital Speckle Photography and Spatial Modulation for Electronic Speckle Pattern;

电子散斑照相与散斑干涉场空间调制技术研究

Phase Unwrapping of Interferogram with Obscurations in Phase-Shifting Interferometry

移相干涉术中有分割遮拦干涉图的相位展开

Technology of Direction-finding with Phase Interferometers and Passive Location with Phase Variations

干涉仪测向与相位差变化率定位技术

A Non-coherent Composite Trellis Demodulation Algorithm of Continuous Phase Modulation

连续相位调制的非相干复合网格解调算法

Effects of Low Temperature on Modulation Efficiency of Michelson Interferometer

低温对迈克尔逊干涉仪干涉调制度的影响

Phase Unwrapping in Inteferometric Synthetic Aperture Radar;

合成孔径雷达干涉测量中的相位展开

Study on Mach-Zehnder Interferometer and Phase Compensation of All-Fiber Mach-Zehnder Interferometer;

光纤Mach-Zehnder干涉仪及其相位补偿的研究

Phase Unwrapping Algorithm Research of InSAR;

干涉合成孔径雷达相位解缠算法研究

Study on Direction Finding and Position with Five Channels Phase Interferometers;

五通道相位干涉仪测向的研究和实现