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v2i2-0068
- The active power filters have gained much more attention because of its excellent performance to mitigate the harmonic and reactive power issues. A shunt active power filter with Instantaneous active and reactive power theory (P-Q theory) has been pr
Test_THD_First
- 计算12脉波输入侧电流谐波率THD程序，可扩展到其他多脉波的计算中。-The 12-pulse input current THD procedure can be calculated and extended to other multi-pulse calculation.
thd-thp-software
- 很多视频播放软件或视频编辑软件都提供了抓帧的功能-A lot of video player software or video editing software provides the function of the frame
thd
- C#企业人事管理系统,cs结构的人事管理系统-C# enterprise personnel management system, the structure of the cs personnel management system
keystont
- 梯形变换程序，可以实现雷达检测的目标距离矫正(Program of keystone transform, it can realize thd corrcetion of range walk in the radar detection.)
ADC_dynamic
- ADC动态特性测试，包含SINAD,ENOB,SNR,THD,SFDR,HD(1~9次谐波功率)(the code to simulate the parameters such as SINAD,ENOB,SNR,THD,SFDR,HD)
并网仿真
- 单相逆变并网电路的主电路与控制电路的 simulink 拓扑结构图， 主电路由直流源、 mosfet 全桥、 LC 无源滤波器、 负载 R1、 R2 组成， 其中 R1 为 恒定负载， R2 为仿真负载突变并入的。 控制电路为 SPWM 闭环调制， 通过检测输出端的电压有效值通过 PI 控制器反 馈回控制端使输出电压尽可能为一个优质的正弦波且有效值在 220V 左右， 频率 为 50Hz， 根据相关准则输出电压波形 THD 应在 5%以内。(The Simulink topology
TI单相逆变器
- ti官方单相并网逆变器PCB，原理图，程序，核心板原理图暂时还没开源，核心板用的是TI的F28379D controlCARD for C2000 Real time control development kits，淘宝有的卖， PCB 和 原理图是altium的 Hardware Features Baseboard with interface to accept HSEC180 controlCARDs 380V DC input, 110Vrms 60Hz or 220Vr
经典PFC电感计算
- 经典的功率因数矫正文档，为PFC初学者提供便捷入门。(Classic power factor correction document)
DynamicPerformanceTest
- ADC或数据采集系统性能测试，指标包括，SNR, ENOB, SINAD, THD等(ADC or Sampling System Dynamic Performance Test, SNR, ENOB,SINAD,THD...)
fuzzyfilter
- This paper presents a fuzzy logic algorithm to control DC-bus voltage of a shunt active power filter (APF). This work is done to illustrate the Performance and robustness of current Identification references by calculating the harmonics (THD) res
FFT_lwj
- 使用28335开发板，进行512点的FFT运算，并能计算出波形的失真度，代码中有注释。(The 28335 development board is used to carry out the FFT operation of 512 points, and the distortion of the waveform can be calculated, and the code is annotated.)
1 (6)
- Compared to the conventional selective harmonic mitigation-pulse width modulation (SHM-PWM), the selective harmonic mitigation-pulse width and amplitude modulation (SHM-PWAM) control strategy for multilevel inverters has considerable advantages such
12
- 一篇关于大功率低谐波高频隔离的交流直流变换器，主要是应用与直流充电庄等设备(A 12Kw Three-phase low THD rectifier with high-frequency isolation and regulated DCoutput1)
谐波检测模块
- 该vi 可对输入波形进行谐波成分分析 ，获取2-20次谐波成分，可测量直流分量、基波幅值、基波频率等参数，并具有THD越线警告功能(The VI can analyze the harmonic component of the input waveform, obtain 2-20 harmonic components, measure the parameters of the DC component, the amplitude of the fundamental wave, the
ADCdongtai
- 可用于测量ADC的信噪比SNR，信纳比SINAD，无杂散动态范围SFDR，总谐波失真THD，得到频谱图及时域图的MATLAB作图,ADC测试方法是fft法(The following program code plots the FFT spectrum of a desired test tone. Test tone based on coherent sampling criteria, and computes SNR, SINAD, THD and SFDR.)
示波器波形分析
- 首先读取csv文件（来自示波器或其他来源），csv是字符格式的文本文件。然后，对采样波形进行谐波分析，将输入信号分解成：A0直流分量，A1基频分量，A22次谐波，A33次谐波……N噪声。采用的是加hanning窗的FFT算法。最后，求取 总谐波失真率THD（%）(First read the CSV file, and CSV is a character format text file. Then, the input signal is decomposed into A0 DC comp
Current_zhihuan
- 单相逆变器仿真，MATLABR2016B工程文件，THD小于1%，电压电流双闭环控制，并且加入了负载扰动，控制效果良好(Simulations of single-phase inverters show that the THD of MATLAB R2016B project file is less than 1%. Double closed-loop control of voltage and current is adopted, and load disturbance is a
calibrate .py
- 使用python库里面的pydub，numpy来计算音频文件的总谐波失真(use python module pydub to calculate the wav thd)