sampling voltage

Reference source method is adopted to overcome the wiring shortcoming in traditional voltage sampling method.

系统采用基准源法的布线结构,以克服传统电压取样法中布线复杂的缺点.

This board uses two chips, six channels A/ D converter and phase locking synchronous technology for collecting three-phase voltage and current signals in timing and equal-time cycle sampling ways, and the gained data make more reasonable for power quality norm analysis.

并采用了两片六通道高速A/D转换器和运用了锁相同步技术，对三相电压和电流信号能进行定时采样和等间隔采样，这样得到的数据对于下一步电能质量指标进行分析更为合理。

Realizing the impedance test by sampling and testing voltage of series resistance with the AD convertor;

利用AD采集测试串接电阻电压实现阻抗测试；

Voltage and current sampling of power line is the precondition of accurate fault loca-ting.

对电力线路上电压、电流等数据的采集是实现精确故障定位的前提.

On the hardware platform, the application software is designed. They include system initialization, ADC sampling, high-voltage control, peak detecting, CAN communication, online programming for EEPROM ( Electrically Erasable Programmable Read Only Memory) through serial port, and writing and reading.

在硬件设计完成的基础上，进行了系统的应用软件设计，分别完成了系统初始化程序、A／D采样程序、高压控制程序、峰值检测程序、CAN通信程序以及串行EEPROM在线编程及读写程序。

Dynamic time measuring using high current testing of constant current source and voltage sampling of break fracture is presented in this paper, furthermore new type of testing apparatus is developed specifically for this kind of breaker.

文中提出大电流恒流源、采样断口电压的动态电阻测试方法，并研制出专门针对此类高压开关的新型测试仪器。

The simulated applications are in driving threshold, state overturn, light transmission rate, the switching and memory behavior of the FLCD for different drive voltage ( including amplitude, pulse wide and duty cycle) and sampling parameters.

通过引入多种激励源，控制激励信号的幅值、脉宽、占空比和取样参数，对FLCD的驱动阈值、状态翻转、透射率、响应时间和记忆行为进行了实时仿真。

The designed control circuit consists of two components: isolating and sampling circuit used for sampling output voltage and isolating primary and secondary of the converter; type 2 error amplifier, designing compensated circuit for error amplifier to stabilize feedback circuit system.

设计的控制电路由两部分组成：隔离、取样电路，用来采样输出电压并实现变换器初、次级电气隔离；2型误差放大器，设计补偿电路使反馈电路系统稳定。

Sampling monitoring of the environment of high voltage discharge was carried out by means of thermoluminescent dosimetry ( TLD).

用热释光剂量测量方法（TLD）对我国高压放电环境进行了抽样监测。

This thesis designs test circuit of probe current and voltage and works the serial communication between PC and SCM out, and realizes the real-time sampling and display of the characteristic curve.

设计了探针电流、电压检测电路，并很好的解决了PC和单片机的串口通信，实现了实时采样和特性曲线的实时显示。