查询词典 frequency response

The aim is to obtain all modal parameters of the vibration system by operating the instrument simply if we have gotten hold of frequency response function in time of experiment.

现场实验时，可在获得系统频响的同时通过简单的仪器操作即可得到系统的各模态参数是本文的主要目的之一。

According to the amplitude-frequency response characteristics of 2-D FIR linear-phase filters ,the NNA is established .

通过分析二维FIR线性相位滤波器的幅频响应特性，建立了神经网络算法。

In Chapter four, the stability problem of the nonlinear open-loop control system is discussed by the concept of input-output stability. The L〓 stability is defined, the relationship between the L〓 norm of output variable and the input variable is proven firstly, and the sufficient condition for the stability of open-loop system , the H〓 norm of the n-th order frequency response function decreasing by n!

本章给出了非线性控制系统L〓稳定性的定义，首次严格证明了输出变量的L〓范数与输入变量的L〓范数之间的一个重要的关系式，并得到了一个开环系统L〓稳定性的充分条件，即n阶广义频率响应函数的范数〓应按n！

Different biases can result in the opposite phase shifts of the impedance with respect to the applied signal. Neutral gas pressure affects the magnitude of the impedance, but does not change the shape of the frequency response curve. In addition, the position of the grid inside the vacuum chamber has little effect on the impedance.

结果显示栅网上的直流偏压对阻抗的影响很大，不同偏压可以使阻抗的频率响应反位相，气压对阻抗的大小有明显影响，但一般不改变频率响应曲线的形状，栅网的位置对阻抗几乎无影响。

1Equation is deduced when input is complete correlation, frequency response function has not solution (order of numerator of polynomial need not be defined).

1当输入部分相关时，输入矩阵为非对角矩阵，其频响函数不能直接求得，本文推导了解决此类问题的公式。

This paper also describes the form and application of particular integral tables obtained on a digital computer and discusses how to calculate frequency response characteristics on an a.c.

本文对利用电子计算机编制的特殊积分表的形式和用法，以及利用交流计算台求解频率特性曲线的具体方法，均作了分析介绍。

The expression of light field distribution is used in the continuity equations to the frequency response of the RCE photodetector.

谐振腔增强型光探测器为这一矛盾的解决提供了有效的方案。

A simultaneously harmonic voltage measurements from a magnetic potential transformer and a capacitor divider on a medium voltage bus show a good frequency response of PT.

对一组PT信号和同一母线的电容分压器分压信号进行谐波比对测量分析表明，中压系统的电磁式电压互感器有较好的频率响应特性。

By producing pseudorandom number series, we rectify the power spectrums of normal random inputs in the same shape as power spectrums of simulating signals. Through Laplace transformation, we can acquire the frequency response functions of rectifier. Two simulating examples were presented. The power spectrum curves based on one peak function model were almost coincided with the power spectrum curves of simulating loads shown in the figures. Simulating results of input loads had good accuracy. Creating a simulating method and program of input load in this paper was effective.

本文利用随机过程仿真的一般理论在已知随机载荷的分布特性、均值、方差和功率谱函数以后，实现随机载荷的计算机仿真，即利用仿真技术得到符合已知载荷的分布特性和功率谱特性的随机载荷的时间序列。1 产生伪随机数序列及分布整形采用乘同余法产生伪随机数的递推公式为[2 ] ：yi+1 =λyi ( 1 )式中M =2

The frequency response of voltage of quasi- continuous plant tissue was investigated by broad frequencyi mpedance technology.

采用宽频域交流阻抗技术研究准连续植物组织的电压频率特性。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐