phase characteristic

It can measure the magnitude characteristic , phase characteristic and limiting frequency of a system .

对竞争主体的限制。它能直观的测试一个系统的幅频特性、相频特性和截止频率。

Zero-Pole Method for Frequency Amplitude - phase Characteristic Calculation

频域计算的零极点法

Study on Phase Characteristic of Parametric Amplifiers

参量放大器相位特性研究

The historical continuity and the phase characteristic of the hazards ; Happiness go on

洪涝发生时间上的历史延续性与阶段性；幸福的延续

Strip-type AMC Structure and Analysis to Its Reflection Phase Characteristic

条带型人工磁导体结构及其反射相位特性分析

ATI-SAR system requires that the phase characteristic of the two channels is precisely matched .

ATI-SAR系统要求两个通道的相位特性准确匹配。

Quantitative Relationship Between the Separation Factor and the Bonded Phase Characteristic Structure for Fullerenes in High Performance Liquid Chromatography

高效液相色谱中富勒烯的分离因子与键合相特征结构间的定量相关模型

It is difficult to design the controller for traditional BOOST converter because of its non-minimum phase characteristic .

由于非最小相位特性，导致传统BOOST变换器的控制器设计比较困难。

The imposition of a curved phase characteristic reduces the peak amplitude of the waveform .

曲线形相位特性减小了波形振幅峰值。

This paper describes the phase characteristic of soil organic matter and fertilization system in the salt-affected area of Quzhou Experimental field .

本文以曲周试验区为例，研究了盐渍土改造区土壤有机质演化的阶段性特征及系统培肥措施。

It offers good linear phase characteristic with high stability , which ensure the system to have the precision 0.1 μ m of the beam spot .

在高稳定状态下提供严格的线性相位特性，使系统指标确保了0.1μm束斑的精度要求。

Method A bio impedance measurement system based on four electrode method was developed to extract the amplitude characteristic and the phase characteristic of tissue impedance .

方法研制一种四电极法阻抗测量系统以提取不同组织阻抗的幅度和相位特性。

Subsequently by analyzing the phase characteristic and its practice course of our country 's help-poverty policy , the author induces the basic deficit .

继而通过分析我国信贷扶贫政策的阶段性特征及其实践历程，分析了我国信贷扶贫政策及其实践的基本缺陷；

The problems which Korea faced in economic development during the past forty years have an inseparable contact to its phase characteristic of political decision , function and system .

韩国近四十年来的经济腾飞及经济发展过程中面临的问题，与韩国的政治体制、政府职能及政府决策的阶段性特点存在着紧密关系。

The phase characteristic of solvent deasphalting using Dagang residue light hydrocarbon of FCC as a stock , isobutane as a solvent was discussed .

以大港渣油及催化裂化澄清油为原料、异丁烷为溶剂，较为系统地研究了该体系的相特性。

Fluid sample can be acquired periodically and the study for the phase characteristic and fluid composition variance can be carried out to direct the plan implementation and direction adjustment .

在开发过程中定期取得流体样品并进行相态特征和流体组份变化规律研究，可指导开发方案实施及调整方向。

To prohibit the disturbances of the experiment noise in the collected signals , a FIR software filter with linear phase characteristic was designed by using loading-window designing method .

本研究用加窗函数的设计方法设计了一个具有线性相位特性的FIR软件滤波器来减弱实验环境中噪声的污染，达到了实验数据分析处理的要求。

Before I / O feedback linearization technique is applied to BTT missile , the nonminimum phase characteristic is circumvented by redefining outputs .

对BTT导弹模型进行输入输出线性化，线性化时通过重新定义输出来避免非最小相位现象。

According to the measurement and data processing of partial discharges due to discrete water droplets on the surface of silicone rubber , phase characteristic of partial discharge for water droplets is obtained .

通过对硅橡胶表面存在分离水珠时的局部放电的测量和数据处理，得到了水珠局部放电相位谱图；

Multi stage petroleum system and accumulation unit and complex reservoir types and distribution controlled by multi cycle evolution events in west China were inner controlling factors of cragged process and phase characteristic of western petroleum exploration .

中国西部多旋回演化历史所控制的复式油气系统、成藏单元及其控制的复杂油气藏类型和分布，是西部油气勘探具有跌宕起伏过程和阶段性特点的内在控制因素。

For the non-minimum phase characteristic of hydraulic turbine power set , this paper proposes and analyses the nonlinear tracking-differentiator ( TD ) with invariable tracking time based on the idea of arranging the transient process .

本文针对水轮发电机组的非最小相位特性，基于设置过渡过程的思想，分析并提出了跟踪时间不随输入信号幅值改变的非线性跟踪&微分器（TD）。

By the analysis of the system character simulation using Matlab we can know that the micro-accelerometer system is a low pass system and it has linear phase characteristic approximately in the low frequency band ( the accelerometer response frequency band ) .

该微加速度计系统的性能用Matlab进行了仿真实验，结果表明：该微加速度计系统是一个低通系统，且在低频段（加速度计的响应频段）具有近似的线性相位；

When the single-phase grounding fault occurs in the Y N winding of transformer , the phases of bilateral currents of longitudinal differential protection may be same , which is the phase characteristic of the external short-circuit .

YN绕组单相接地短路时，相间差动保护的两侧电流可能同相，呈现外部短路的相位特征，因此灵敏度降低。

The developed PHEMT SPDT microwave monolithic switch had a good performance of magnitude and phase characteristic in ultra wide band , which was designed with the control device model , the switch topology and the circuit optimization techniques in this paper .

采用文中获得的控制器件模型、微波开关电路拓扑以及相关电路优化技术所设计的PHEMT单刀双掷单片微波开关，在超宽频带上有着很好的幅度与相位特性。

The analysis results show how the nonlinear phase characteristic of the delay-difference module affects the nonlinear frequency error , and indicate that the utmost limit of FM linearity is largely determined by the nonlinear phase characteristic of the delay-difference module .

通过非线性分析，给出了延迟线非线性相位与非线性剩余频差的关系，并指出延迟线非线性相位是决定极限调频线性度的主要因素。

Demultiplex filter ( usually refers to bandpass filter ) is a significant part of DFDS , while the flat frequency response and linear phase characteristic in the passband of the FIR filter make it the best choice for the system .

分路滤波器（通常是带通滤波器）是解调系统的重要组成部分，有限冲激响应（FIR）数字滤波器具有平坦的通带幅度响应和线性相位特性，是数字式解调系统的最佳选择。

The Hpa expressions , in peripheral blood lymphocytes and nephridial tissue from adriamycin nephrosis rat , both are higher than normal rat , which has a similar phase characteristic to the degree of aggravation of inflammatory cells infiltration in nephridial tissue . 4 .

阿霉素肾病大鼠外周血淋巴细胞及肾组织Hpa表达均较正常大鼠增高，与肾组织炎细胞浸润程度的加重具有相似的时相性。

In this way , we design the two-level controller . For non-minimum phase characteristic about the Boost circuit , we design a double-loop controller based on feedback linearization theory . Then we discuss the characteristic about soft switch and duty cycle loss of the phase shift full bridge circuit .

针对Boost电路的非最小相位特性，通过反馈线性化等理论设计了符合PFC控制的双环控制器，随后对移相全桥DC/DC电路的软开关特性、占空比丢失等电路特性进行了分析。

Last , time lag was studied by phase frequency characteristic .

利用相频特征研究了各层土壤之间水分变化的时滞性。

Discussing on the Phase Frequency Characteristic of Control System

控制系统相频特性的讨论