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简易谐波分析仪
- 采用12位MAX 197对外部信号采样。采用全周波傅立叶积分算法,对采样信号进行处理,对电力系统的电压有效值、功率等特征量进行实时在线监测;采用全数字测量法测量相位差;并采用自适应技术调整采样间隔,消除非同步采样对计算造成的误差,利用PIC18F458捕获功能实时监测电力系统频率波动,修订采样间隔。分析了各量的测量误差,均达到标准。并提供友好的人机交互界面。-used 12 MAX 197 pairs external signal sampling. Using Fourier-Cycle I
三相预处理
- 离散值与有效值的计算 对电压 和电流都适应- 绂绘暎鍊?and 鏈夋晥鍊?the computation all adapts to the voltage and the electric current
DFT.rar
- 在dsp2704平台上。利用DFT算法计算220V电压有效值。,In dsp2704 platform. DFT algorithm using RMS voltage 220V.
pic 18F452测电流有效值
- pic 18F452测电流有效值,protues仿真。-pic 18F452 test current rms, protues simulation.
yxz
- 交流电压有效值采样检测程序 avr单片机 含液晶 串口 adc等-AC voltage RMS sampling and testing procedures for avr microcontroller with LCD and other serial adc
cc
- 故障指示器;单相接地故障;电流互感器;全波整流有效值电路;单片机-Fault Indicator Single-phase Ground Fault Current Transformer RMS circuit full-wave rectifier SCM
dianyaceliang
- pic系列单片机实现测电网的交流电压有效值-pic series of single chip measuring RMS AC voltage power grid
fft322
- 这是一个产品完整的代码,使用80C196 CPU和8253定时器以及AD574进行电压,电流的采集,每个电网周波采集32点,计算电压电流的有效值,功率,无功功率,功率因数,软件积分电度等-The code is production code that use 80c196 cpu and 8253 timer and ad 574 to sample the voltage and current data, 32 point per cycle of 50/60HZ ,to caculat
jisuanzukang
- 电力系统中根据电压电流计算阻抗,其中使用半周积分算法计算电压电流的有效值-Power system voltage and current calculation based on impedance, in which the use of half integral algorithm of the RMS voltage and current
MSP430Paper
- 基于MSP430的点焊电流有效值检测系统 一篇硕士论文,希望对您有用。-MSP430-based RMS of the spot welding current detection system a master' s thesis, I hope useful for you.
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- 关于单片机测量周期 频率 有效值的程序 采用NEC单片机 以测试 可以用-Cycle on the frequency of single-chip RMS measurement procedures used to test the NEC single-chip can be used
DCrMS
- 用labview编写的,输入一个信号,求输入信号的直流量和有效值-Written using labview, input a signal, seeking direct input signal flow and RMS
afaf
- 一个能够精确测量信号有效值的电路和程序,采用AT89S52单片机和KEIL软件编程,实践测量精确度很高。-One can accurately measure the signal RMS circuit and procedures, using AT89S52 microcontroller and KEIL software programming, and practice measuring with high precision.
image_statistics
- 图形计算第一和第二的一系列图像顺序统计。计算平均值,有效值,偏度和峰度 - 一阶统计。 (图形用户界面粗糙度参数计算)-GUI for calculating 1st and 2nd order statistics of series of images. Calculates Average, RMS, Skewness and Kurtosis- 1st order statistics. (identical to File ID:#25981- GUI for calcula
RMS
- 在uVision环境下用C语言编程计算有效值-In uVision C language programming environment with computing RMS
youxiqozhi
- 通过信号数据采集仪采集,计算速度采集数据中的有效值(Through the signal data acquisition instrument, the calculation speed, data acquisition of the effective value)
curvelet软阈值
- 在matlab平台上,使用多尺度curvelet变换,对SAR图像的相干斑噪声进行抑制, 先将图像进行对数变换,把相干斑乘性噪声转换为加性噪声,然后使用一种有效的阈值去噪方法,很好的抑制了相干斑噪声,效果不错。(On the MATLAB platform, the multiscale curvelet transform is used to suppress the speckle noise of the SAR image. First, transform the image t
zl0
- 实测电压和电流的有效值及各次谐波的提取方法(The effective value of measured voltage and current and the method of extracting harmonics.)
中值滤波
- 种非线性平滑技术,它将每一像素点的灰度值设置为该点某邻域窗口内的所有像素点灰度值的中值.中值滤波是基于排序统计理论的一种能有效抑制噪声的非线性信号处理技术,(Processing fuzzy images)
project_V3(注释)
- 可以对所给正弦信号进行采样,并判断过零点且输出频率和正弦信号一样的方波信号。用ePWM模块来确定采样频率,来一次中断采样一次,确保采样率。并对所采样的数据进行有效值计算(The given sinusoidal signal can be sampled and the zero-crossing point can be determined and the square wave signal with the same frequency as the sinusoidal signal