频率特性

FormulaNode在频率特性测量中的应用

Application of Formula Node in the measurement of frequency characteristic

基于MATLAB的控制系统频率特性实验的开发

Developing of Frequency Characteristic Experiment System Based on MATLAB

低温烧结Li铁氧体及其频率特性

Low temperature Sintered Li Ferrites and Their Frequency Properties

测试了RF天线的频率特性。

Frequency response of the RF antenna has been tested .

用非理想频率特性模型设计线性相移非递归型（FIR）数字滤波器的探讨

Study of linear phase FIR digital filters using non-ideal frequency characteristic models

实验结果表明，Nb取代使其e显著提高，并改变ae与频率特性。

The results show that Nb - replacement can greatly raise e , and change ae and frequency properties .

TTC系统中测距误差的频率特性分析法

Use Frequency Character to Analyse Range Error of TTC Systems

利用Matlab进行频率特性仿真，结果表明：设计的回路满足预期指标，且具有良好的力矩扰动抑制作用。

The results using Matlab to simulate the frequency property show that the loop designed can satisfy pre-designed indexes and have nicer function of restraining disturbance .

涂层材料与加工工艺对FSS结构频率特性的影响

Effect of processing and coating property on frequency characteristic of FSS

Bessel光束的频率特性

The Frequency Property of the Apertured Bessel Beams

适用于大电流的SiGe基区HBT的电流和频率特性的解析模型

Modeling of SiGe-Base HBT at High Current Densities and Its Effects on High Frequency Performance

基于CTD的压电传感器频率特性补偿器

Compensator of frequency characteristic of piezoelectric sensor based on CTD

简要介绍地音探测器的基本原理，SN－4数字检波器的频率特性。

In this paper , the basic principle of geophone detector and the frequency characteristics of SN-4 digital detector are briefly introduced .

研究了电力系统频率特性参数的求取问题，利用GA和系统的自动频率记录仪记录下的频率特性曲线来求取频率特性参数KD和Tf。

The frequency parameters of electric power systems were obtained with genetic algorithm by using the frequency curves derived from automatic noting apparatus .

PID控制器广泛应用于火电厂主汽温控制。PID参数变化影响串级主汽温控制系统频率特性。

The PID controller is widely used in the main steam temperature control in the fossil-fired power station , and its parameter variations affect the frequency characteristics of the cascade control system .

重点介绍了频率特性可调的含主动式FSS的吸波结构。

The radar absorbing structure with active FSS whose frequency characteristics can be dynamically tuned is illustrated particularly .

H∞回路成形方法是通过成形开环频率特性，使其在鲁棒性能指标和鲁棒稳定性之间进行折衷。

Substantially , H_ ∞ loop shaping achieve the desired close loop performance through shaping the frequency characteristics of the open loop , and make a compromise between the robust stability and the rubust performance .

基于SOI技术原理，模拟仿真了SOI结构SiGeHBT的频率特性，并与相同条件下体SiGeHBT频率特性进行了比较分析。

Based on the theory of SOI technology , the frequency performance of SiGe HBT 's with SOI structure is simulated .

通过推导E函数的Taylor展开式与导数关系式，探讨了速度变化时E函数的频率特性以及速度变化时E函数的简化形式，分析了轮胎非稳态侧偏特性与E函数之间的内在关系。

Mathematical expressions for the derivative , Taylor series for the E function and frequency properties of the E function are derived for use in the analysis of non steady state tire cornering characteristics .

首先探讨了基于杂凑函数（SHA）的数字签名算法DSA的实现，分析了图像DCT变换的频率特性。

The paper first discusses the implementation of DSA signature algorithm which is based on SHA and analyses the frequency characteristic of image DCT transform and .

转动弹性机械臂Bernoulli-Euler梁频率特性

Frequency characteristic of rotational Bernoulli-Euler beam of a flexibility manipulator

光学低通滤波器（OLPF）的频率特性和光谱特性

Frequency and Spectrum Characteristic of the Optical Low Pass Filter

而Nyquist稳定判据则根据系统的开环频率特性判断闭环系统稳定性。

The Nyquist stability criterion judges the closed - loop systems ' stability , according to the system 's open - loop frequency characteristic .

利用NI的PCI6221数据采集卡，通过LabView系统分析压电薄膜的传感特性和频率特性，并在此基础上设计并调试了压电悬臂梁差分电荷放大电路及微电流放大电路。

Sensing and frequency characteristics of piezoelectric-film have been analyzed using the NI-DAQ PCI 6221 by Lab VIEW system . Based on the analysis above , sensing circuits ( differential charge amplifier and micro-current amplifier ) have been designed and debugged .

本文在平稳时序的离散模型基础上，利用自协方差函数、自谱函数、Green函数及频率特性，将离散模型转换为连续模型，并研究了这些转换之间的关系。

Based on a discrete model for stationary time series , the auto-covariance function , auto-spectrum function , Green 's function and frequency characteristics are used to transform the discrete model of time series into a continuous one . The relationships between these transformations are investigated .

基于纹理基元的尺度&频率特性，提出一种多尺度独立成分分析（MICA）方法，扩展ICA纹理基元的频率描述能力；

The third , Multi-scale Independent Component Analysis ( MICA ) basis images were created according to the frequency feature of texture image which extend the frequency describing ability of ICA basis images .

分析了低压差稳压芯片（LDO）的环路频率特性及其与负载电流的关系，提出了跟踪负载电流变化的LDO频率补偿思路和方法，并给出了具体的电路实现。

Based on analysis of the relationship between load current and frequency stability of LDO , a novel LDO structure and its frequency compensation circuit are proposed .

本文通过考察控制系统的频率特性，提出利用Nyquist判据和对数频率稳定判据来判断分数阶控制系统的稳定性。

Through investigating the frequency characteristic of fractional order control systems , Nyquist criterion and logarithmic-frequency criterion are presented to find out the stability of fractional order control systems .

用TP801单板机测试网络频率特性

A method for measuring network frequency characteristic

同时，介质结构对FSS的频率特性也有很大的影响，因此FSS的设计具有很大的难度，分析计算具有重要的意义。

At the same time , dielectric substrate influence frequency characteristic as well . So design of FSS is very difficult . FSS of analysis and computing is significant .