frequency constant的例句大全

simulation results prove that the svm-dtc can remarkably overcome the large torque ripple and current distortion while maintaining the switching frequency constant.

仿真结果表明，SVM-DTC在保证逆变器开关频率恒定的前提下，能够有效减少转矩脉动和电流畸变。

Keeping slip frequency constant we can get nearly constant torque output characteristic.

维持滑差频率不变，就可获得近似于恒定转矩的输出特性。

The Application of Frequency and Constant Voltage Water Supply Control Technology in Pump Station Water Supply System

变频恒压供水控制技术在泵站供水系统中的应用

PLL ( Phase Lock Loop) technology is employed to realize the frequency tracing and constant phase angle control;

通过采用锁相环技术实现了逆变器工作频率的自动跟踪和容性逆变角度的恒值控制；

The viscoelasticity of a medium makes seismic wave have a constant phase delay when upper-limit frequency of the data is not high.

在资料的上限频率不高时，介质的黏滞性将导致地震波发生一个常数的相位延迟。

Under a certain condition, this interface impendance can be transferred to the constant phase angle ( CPA) impedance. Filters, couplers and baluns are fabricated in the high frequency passive device integration regions.

在一定条件下，此界面阻抗过渡到恒相角阻抗。滤波器、合器和平衡非平衡阻抗转换器系制造在高频被动元件整合区域内。

In study of constant force grinding, a calculation method, which could calculate frequency range of frequency feature parameter automatically, is presented based on generic algorithm in this paper.

本文结合恒力磨削的研究，基于遗传算法提出了一种可自动地确定测试信号频域特征参数频率计算范围的方法。

The paper mainly put forward a new control method of stepping motor which character-, ized by equal-stepped fine division, and then design a constant frequency PWM driver circuit.

提出一种等步距角的细分控制方法，并据此设计了恒频脉宽调制细分电路。

This testing platform realizes frequency and power testing of constant frequency signals and frequency hopping signals. It also realizes sensitivity testing of communication equipment. So this paper has certain value in practice.

论文设计和实现的数字前端模块，应用于便携式无线电测试平台中，实现对定频和跳频信号频率及功率的测试，以及通信设备的接收灵敏度测试，具有一定的工程价值。

Dielectric constant and dielectric loss of the composite showed excellent frequency and temperature stability.

复合材料的介电常数和介电损耗具有良好的频率和温度稳定性。

Mainly constant tension servo control procedures, frequency control procedures, as well as the development of alarm system procedures were carried out in more detail.

主要对恒张力伺服控制程序、变频控制程序以及报警系统程序的开发进行了详细阐述。

Packaging Transport packages Sinusoidal vibration test method at constant frequency

GB/T4857.7-1992包装运输包装件正弦定频振动试验方法

Thrust Control of Permanent Magnet Linear Synchronous Motor with Low Ripple and Constant Switching Frequency

低脉动恒开关频率直线永磁同步电机推力控制

At the same time, the elementary diagram of the theory of the constant pressure frequency conversion, the hardware structure chart and the software block diagram are shown in the paper, which gives technique to the system to be come true.

本文同时给出了恒压变频原理图、硬件结构图和软件框图，为系统的实现提供了技术支持。

Meanwhile, a new forecasting model is built based on the subsection constant acceleration of slip frequency, and the time when the signal of generator paralleling is send is affirmed by means of leading angle forecasting and exceeded leading angle forecasting.

同时，建立了一种基于滑差分段恒加速的预报模型，并利用越前角和超越前角来确定发送并网信号的时机。

The maximum frequency of RC-bridge oscillator is 16.67% of gain bandwidth product of amplifier analyzed based on a first-order single time constant lowpass function model.

运用一阶单时间常数低通函数模拟运算放大器的开环增益，对RC桥式振荡电路进行线性分析，得出最大振荡频率为运算放大器增益带宽积的16.67%。

It is made clear through the theoretical analysis that the frequency shift is dependent on the modulation frequency, thermal time constant, bias current of the laser diode and so on.

理论分析表明频移幅度与调制频率、时间常数和半导体激光器的偏置电流等物理量有关。

In the unit kinetic parameters for the reaction rate constant, the frequency factor and the apparent activation energy etc.

测定了反应速率常数、频率因子、活化能等动力学参数。

Design of Constant Pressure Sprinkler Irrigation System through PLC and Frequency Control

PLC及变频调速恒压喷灌系统的设计

A minimum of the imaginary part of the dielectric constant was observed at lower frequencies from the frequency dependence of the dielectric constant, this implies the existence of imperfections and space-charge polarization in the crystals.

介电系数的频率特性显示，介电系数虚部在较低频率时呈现极小值，这表明晶体中存在缺陷和空间电荷极化。