交流采样

C代码接口在频率变化时交流采样中的应用

The use of CIN in AC sampling when frequency is unsteady

实现了快速交流采样、PID控制算法。

The fast Ac sampling , PID control method are realized .

基于ARM的同步交流采样和误差补偿

AC Synchronous Sampling Based on ARM Microprocessor and Errors Compensation

交流采样电参量测量模型仿真与DSP编程

A simulation of alternating-current sampling measuring model and DSP programming

基于DSP的同步交流采样技术

Synchronous AC sampling technologies based on DSP

基于DSP的交流采样和电量数字测量的研究

Study on AC Data Acquisition and Electrical Signal Digital Measurement Based on DSP in Power System

基于ARM架构的μC/OS-II移植及其实时同步交流采样研究

The μ C / OS-II Porting Based on ARM Architecture and Research on Real Time Synchronous AC Sampling

一种快速的FFT交流采样算法的实现

A fast FFT arithmetic for AC sample measure unit

基于CPLD交流采样同步优化方法的设计与实现

Design and application of an optimization method for synchronous sampling based on CPLD

全数字化设计，交流采样，人机界面采用大规模LCD中文液晶显示器。

Complete digital design , AC sampling , human-machine interface applies the large scale LCD in chinese .

文中提出的这种基于DSP的励磁控制器采用了许多先进技术，如交流采样、数字脉冲、FFT等。

The DSP-based excitation controller adopts many advanced technologies , such as alternating current sampling , digital pulse and FFT etc.

基于AVR微控制器的交流采样智能节点

AC Intelligent Sampling Node Based on AVR Micro Controller

高性能RTU交流采样单元的设计与实现

Design of an AC Sampling Unit with High Performance in RTU

基于PCC的交流采样的设计与实现

Design and Implementation of AC Sampling Based on PCC

它以基于FPGA技术的专用保护芯片为芯核，与16位微处理器配合完成交流采样、全波傅里叶变换、频率测量、继电保护、录波等功能。

A specific protection chip based on FPGA technique is designed as the chip core to implement the functions of AC sampling , whole wave 's FFT , frequency measurement , relay protection , recording etc with a 16-bit microprocessor .

系统采用交流采样，并通过LCD显示器显示频率、电压、电流的实时值，在过压、欠压时，可以进行声光报警。

The proposed system employs LCD to display the real-time values of frequency , voltage and current with AC sampling , and what ′ s more , it can make a sound-light alarming for overvoltage and undervoltage .

三相电测量采用交流采样技术，软件算法采用快速傅里叶变换FFT，全面克服了以前的三相电参数测量方法普遍存在的实现电路复杂以及在功能和精度上的不足。

The method measuring electrical parameters is based on AC sample technology , the FFT way is used in software design , so the design of circuit , the function and the accuracy is fully improved .

FTU终端实现交流采样、遥信、遥控、故障检测和故障隔离功能；

The functions of alternating sampling , remote signaling , remote control , fault detection and fault isolation can be realized at the FTU terminals .

在此系统的基础上，利用GPS与锁相环相结合的方法实现RTU交流采样的实时性和准确性，为获得准确可靠的原始数据提供了保证。

In this system , on the basis of using GPS and phase-locked loop combination method implement the RTU real-time performance of sampling and accuracy in order to obtain accurate and reliable original data to provide accurate and reliable guarantee .

很明显，TTU需要对三相电压/电流等大量模拟信号进行的交流采样和数据处理，而这往往对处理器的计算速度和A/D转换精度和速度要求很高。

Apparently , TTU need to sample many analog siganls and do much digital processing work , which necessitate the processor to have high performance in digital processing and A / D convertion .

随着电子式互感器技术的发展和IEC61850标准的推广，变电站间隔层智能设备的交流采样技术将由传统的对模拟信号A/D转换技术变革为以太网通信技术。

With the development of electronic transformers and the extensive utilization of the international standard IEC 61850 , the sampled values technology in IED in the substation bay layer will be developed from A / D conversion of analog signals to Ethernet communication technology .

本文论述了一种新型电量变送器WDB-1型微机变送器的工作原理及软件算法和硬件结构，该电量变送器突破了传统的时间分割式和霍尔效应式的处理方法，而采用了直接交流采样的处理方法。

This paper describes the working principle of a new - kind of electric transducer , WDB-1 micro-computer watthour transducer , its software as well as its hardware . A direct alternating sample disposing method is used in this transducer instead of the traditional time-cut and hall effect method .

一种改进的软件同步交流采样法

A Kind of Improved Method for Synchronous AC Sampling of Software

电力系统常用交流采样算法比较

The Comparison of Normal Alternating Sampling Methods in Electric Power System

第五章介绍了交流采样的一些方法，采用快速傅立叶变换和准同步采样技术，提高精度，并给出系统软件框架。

The fifth chapter introduces the software design and its methods .

交流采样技术在嵌入式状态监测系统中的应用

Application of Alternating Current Sampling Technology in Embedded State Monitoring System

电机交流采样信号数字滤波的分析

An Analysis of Numeric Filter Wave in Motor Alternating Signal Sampling

交流采样模块基本误差检定方法的探讨

The discussions of the method for measure unit with AC sample

交流采样的微机电量变送器及其自检技术

AC Sample-Based Microcomputer Transducer of Electric Variables and Its Self-Test Technique

配电变压器监控系统中的交流采样算法

AC Sampling Algorithm in Supervision and Control System for Transformer