The quantitative relationship between filtering parameters and amplitude-frequency and phase shift characteristics is analysed theoretically in this paper.
本文从理论上分析了滤波参数与幅频特性和相移特性的定量关系。
A method for measuring the phase characteristics of ultrahigh frequency modulating light by optical phase shift is proposed. It has the properties of high precision and strong practicability.
提出采用光学移相办法测量超高频调制光相位特性的一种方法。它具有精度高、实用性强等特点。
A method for measuring the phase characteristics of ultrahigh frequency modulating light by optical phase shift is proposed.
提出采用光学移相办法测量超高频调制光相位特性的一种方法。
The effects of additional phase shift induced by loss of the coupler upon the characteristics of fiberoptic ring resonator (FORR) are theoretically analyzed and calculated.
从理论上分析了耦合器损耗引起的附加相移对光纤环形腔特性的影响。
This article introduces the characteristics of stabilized arc circuit, sync shift-phase circuit, trigger circuit and control circuit, also illuminates each unit circuit.
介绍了稳弧电路、同步移相电路、触发电路及外特性控制电路的设计特点，对各单元电路进行了具体的分析。
On the basis of previous studies, this paper proposes a correction method which uses the characteristics of meteorology object and specific differential propagation phase shift KDP.
本文提出一种基于气象目标和单位差分传播相移KDP特性的衰减订正方法。
The oscillating flow characteristics of the test section are obtained by the analysis of the amplitude and phase shift of the velocity and the pressure wave.
通过测量阻力元件两端的动态压力、流速，得到交变流动情况下动态压力与质量流量之间振幅和相位关系，从而得到所测元件的交变流动阻力特性。
The Genetic Algorithm(GA) is used to optimize the pole-zero location in all-pass networks of 30 and 60 relative phase-shift, and good phase-frequency characteristics are obtained.
然后利用遗传算法分别对30和60十倍频宽带相对相移网络的零极点参数值进行了优化，得到了较好的相位频率特性结果；
The Genetic Algorithm(GA) is used to optimize the pole-zero location in all-pass networks of 30 and 60 relative phase-shift, and good phase-frequency characteristics are obtained.
然后利用遗传算法分别对30和60十倍频宽带相对相移网络的零极点参数值进行了优化，得到了较好的相位频率特性结果；
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