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- Performance Analysis of Phase Shifter Error of Adaptive Array Antenna for Satellite Ground-Level Station 自适应阵列天线移相器的误差对卫星地面站性能影响分析
- The chief advantage of phase shift modulation lies in its ability to encode more than one bit of data in each shift. 相移调制的主要优点是可以在一个相移变化中编码一位以上数据。
- Finally,a MATLAB based simulation example is presented,which comprises performance estimation of phase shift keying(PSK) signaling over a Rician fading channel. 最后,我们对数字调制后的信号如移相键控(PSK)信号通过莱斯衰落信道时的性能进行仿真,并得到相应的分析结果。
- Meanwhile, the dependence of the transmission peak wavelength and depth on phase shift is diminished greatly and the impact of phase shift can be ignored by proper apodization. 切趾还大大减弱了透射峰波长和深度对相移量的敏感度,适当切趾后相移量的影响可以忽略。
- This paper describes the use of phase shifting for automatic analysis of fringe patterns resulted from photoelasticity, the fringe pattern and all of the points stress can be get automatically. 本文采用相移法研究了光弹性条纹的自动分析技术，可以自动采集光弹条纹图像并求得全场应力数据。
- Characteristics of phase modulation of a nematic liquid crystal is studied.A new phase shifting shearing ESPI system which uses parallel aligned liquid crystal as a phase modulator is deceloped. 研究了向列型液晶的相位调制特性，采用平行式向列液晶作为相移器建立了相移剪切电子散斑干涉计量系统。
- This paper describes the use of phase shifting for automatic analy- sis of fringe patterns resulted from photoelasticity,the fringe pattern and all of the points stress can be get automat- ically. 本文采用相移法研究了光弹性条纹的自动分析技术,可以自动采集光弹条纹图像并求得全场应力数据。
- The two sets of traffic lights were out of phase. 那两组交通灯不同步。
- Since the vector sensor can simultaneouly pick up the sound pressure and vibration velocity，the informaation of phase shift among the sensors increases after being formed the array. 摘要 矢量水听器可同时拾取声压和振速信息，成阵后水听器间的相移信息量增大。
- The windshield wipers are out of phase now. 挡水玻璃刮水器现在动作不协调。
- To cope with the problem of phase shifts caused by different propagation paths (especially in HF links), the modulation is done in differential phase shift keying (DPSK). 为了克服由多径传播造成的相移失真难题（特别是在HF链路里），调制采用差分相移键控（DPSK）来完成。
- Thus he committed the error of"left" opportunism. 就这样他犯了“左”倾机会主义的错误。
- The thesis analyzed the errors of the phase shifter in details, and accordingly put forward the measures of improvement. 论文详细地分析了移相器实际测试结果产生误差的原因，并相应提出了改进的措施。
- He has made serious errors of judgement. 他在判断上犯有严重错误。
- Piezoelectric phase shifter was studied, and a kind of phase shifter with flexible hinge was presented. 摘要对压电式移相器进行了研究，设计了具有放大特性的柔性铰链式移相器。
- The survey has a margin of error of 2.5%. 测量的误差幅度为 2.;5%25。
- Pure BSTO can not satisfy the requirements of phase shifter due to its high dielectric constants and losses. 纯BSTO材料由于较高的介电常数和较大的介电损耗不能满足移相器介质材料的要求。
- The biggest error of life is self-rejection. 人生最大的错误是自弃。
- Analyzes principle and error of this method. 分析了这种方法的原理和误差。
- The random error is the main error of laser gyro. 随机误差是激光陀螺的主要误差。
