变频信号法,injecting variable-frequency signal
1)injecting variable-frequency signal变频信号法
2)variable-frequency current injection变频信号注入法
1.The arc suppression coil based on controllable magnetic flux uses thevariable-frequency current injection to measure the grid-to-earth capacitance.磁通可控消弧线圈采用变频信号注入法进行对地电容检测,当中性点位移电压较大时,逆变器输出的变频电流中将含有较强的工频干扰,不利于逆变器的稳定运行,也使得通过比较变频信号电流和电压相位判定谐振频率的方法准确率下降。
3)inverter signals变频信号
1.This paper states the method and principle about measuring vehicle-used electronic siren sinverter signals by single chip microcomputer.本文阐述了单片机测量车用电子警报器变频信号的原理和方
英文短句/例句
1.Design for Signal Source of Variable Frequency used in Pulse Whirlpool Test用于脉冲涡流检测的变频信号源设计
2.Investigation of Fault Diagnosis with Frequency varying Signals for EHV Transmission Lines用变频信号进行超高压输电线路故障诊断初探
3.image intermediate frequency transformer图像信号中频变压器
4.image intermediate frequency transformator图象信号中频变压器
5.variable frequency trigger generator可变频率触发信号发生器
6.alters the frequency spectrum of signals passing through it.当通过它时能够改变信号的频谱。
7.Research on VVVF Power Signal Source Based on TMS320F2812;基于TMS320F2812的变频调压功率信号源的研究
8.The Time-frequency Analysis of Speech Signal Based on Hilbert-Huang Transform基于Hilbert-Huang变换的语音信号时频分析
9.Hilbert-Huang transform and time frequency analysis of magnetotelluric signalHilbert-Huang变换与大地电磁信号的时频分析
10.Blind parameter estimation of frequency-hopping signals based on wavelet transform基于小波变换的跳频信号参数盲估计
11.Frequency Detection of Crosstalk Signal Based on Wavelet Transform基于小波变换的串扰信号频率的检测
12.The Research on Time Delay Estimation Method with the Phase Difference Resulting from Frequency Mixing信号变频引入相差后的时延估计方法
13.LFM Signal Time Frequency Detection Based On S-Hough Transform基于S-霍夫变换的LFM信号时频检测
14.Study of 2-dimensional signals time-frequency spectrum of Hilbert-Huang transform二维信号Hilbert-Huang变换时频谱研究
15.The Technology Reconstruct of Command Signal from RMIO Module by the ACS800 TransducerACS800型变频器RMIO板给定信号技术改造
16.Chirp-Z Transform and its Applications in Spectrum Analysis线性调频Z变换在信号频谱分析中的应用
17.A new audio analysis/synthesis system of adapted window controlled by estimated fundamental frequency一种新型基频变窗音频信号分析/合成系统
18.Instantaneous frequency rate estimation of multicomponent two-dimensional chirp signals多分量二维线性调频信号瞬时频率变化率估计
相关短句/例句
variable-frequency current injection变频信号注入法
1.The arc suppression coil based on controllable magnetic flux uses thevariable-frequency current injection to measure the grid-to-earth capacitance.磁通可控消弧线圈采用变频信号注入法进行对地电容检测,当中性点位移电压较大时,逆变器输出的变频电流中将含有较强的工频干扰,不利于逆变器的稳定运行,也使得通过比较变频信号电流和电压相位判定谐振频率的方法准确率下降。
3)inverter signals变频信号
1.This paper states the method and principle about measuring vehicle-used electronic siren sinverter signals by single chip microcomputer.本文阐述了单片机测量车用电子警报器变频信号的原理和方
4)variable frequency signal source变频信号源
5)Frequency agile signal捷变频信号
6)down-converted signal下变频信号
延伸阅读
AB变频器在中嘉污水处理厂自动控制系统工程的应用中嘉无污水处理厂的总处理量是30万吨/天，共分三期兴建，第一期工程处理量为10万吨/天。根据中山市环保局的进水及出水水质要求，该厂采用了先进的氧化沟工艺来达到去除有机物及脱磷脱氧的要求。系统的主要处理工艺流程分为预处理、氧化沟、终沉池和污泥脱水四个部分。采用基于PLC5控制器成本低廉的远程通信和控制系统；保证污水处理过程的质量，使得出水水质符合规定的标准；应用先进的PID算法和闭环控制策略以维持化学药品的最佳平衡和最大限度地降低成本高昂的中和药品用量；变频器和智能马达控制器不仅避免电机启动时对电网的冲击，而且起到均衡节能、起停控制和速度调节的作用；友好的用户界面（MMI）和完善的报表输出系统使得管理人员可以很方便地控制、监测系统和排除系统故障，并能及时地得到系统处理过程中的数据，掌握系统的运行趋势。控制系统所使用的主要软件、硬件设备如下：PLCA-BPLC5/30现场图形终端A-BPanelView1400E变频器A-B1336PLUS马达软启动器A-BSMCPLUS上位计算机DELLPII350界面平台软件RSView32
