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fft
- 利用fft求取一个信号的各次谐波的幅值和相角-Fft to strike a signal amplitude of each harmonic and phase angle
PulseAndTransitionM
- 对波形的测量和分析,主要包括瞬态特性测量、脉冲测量、周平均值和测量方根测量、幅值和电平测量-Measurement and analysis of waveforms, including transient characteristics measurement, pulse measurement, and measurement of the average weekly root measurement, amplitude and level measurement
advanced-harmonic-wavelet-packet
- 自己编的改进谐波小波包实现程序,实现了信号经过谐波小波包变换后幅值不变,适合于机械故障特征提取-The own series improved harmonic wavelet packet achieve signal amplitude unchanged after harmonic wavelet packet transform, for mechanical fault feature extraction
sin
- MFC界面根据幅值和周期描画正弦波和脉冲波的源码-The MFC interface based on the amplitude and period painted sine wave and pulse wave source
PCF8591-1602-LCD-display-the-voltage
- 51单片机,AD/DC芯片采用pcf8591 对输入波形的幅值用1602显示,电压已校准。-51 microcontroller, AD/DC chip voltage calibrated pcf8591 of the amplitude of the input waveform display in 1602.
qiaoliangjiance
- 使用VC编写的桥梁监控监测上位机程序,里面包含历史曲线绘制,幅值,时间调节等内容-The use of program monitoring PC Bridge written in VC, which contains the history curves, amplitude, time adjustment etc.
DPLL_REASERCH
- 本课题研制了一种宽频带的数字锁相放大器,可以完成自动增益和相位 可调整,最长积分时间为100s,适合于频率从10Hz到10kHz,幅值从100nV 到10mV的微弱正弦信号检测。测量结果表明,当采样点数N大于8192时, -This project developed a wideband digital lock-in amplifier, can be completed automatically adjustable gain and phase, the longes
update1
- 搭建永磁同步电机的直接转矩控制仿真模型 1,实测电流经过3/2变换得到alpha-beta轴上的电流; 2,估计模块中包含定子磁链和电磁转矩的估算,其中,定子磁链观测是采用基于转子位置和定子电流的磁链估计,电磁转矩直接在alpha-beta轴上计算; 3,转速调节模块和转矩调节模块直接采用PI调节器; 4,预期电压矢量估计模块,根据k时刻的磁链幅值与相位和k+1时刻的磁链幅值和相位计算出来的; 5,SVMPWM是空间电压矢量调制模块,实现空间任意角度任意大小的电压矢量,从而控
12864--sin
- 利用51单片机对显示屏12864编程,显示正弦函数和余弦函数。频率和幅值可调节。- The use of 51 single-chip display 12864 programming, showing the sine and cosine functions. Frequency and amplitude can be adjusted.
chuli
- 处理由采集卡采到的加速度传感器测得的信号,并分析其在0-1000Hz的频谱幅值并绘制频谱图-Processed by the acquisition card taken to the measured acceleration sensor signal, and to analyze the spectrum of the 0-1000Hz and draw the amplitude spectrum
DFT_TEST
- 对方波进行快速傅立叶变换,求出其各次谐波幅值的小程序-Fast Fourier transform square wave, the amplitude of each harmonic is obtained which applet
ludi
- 根据洗衣机振动实验结果,用MATLAB软件进行时域、频率幅值和功率谱分析-According washing machine vibration test results, using MATLAB software for time domain, frequency, amplitude and power spectral analysis
37435235
- 神经网络算法VB实验示例:幅值可调的ATN函数-Neural network algorithm VB experimental examples: ATN adjustable amplitude function
SPWM
- SPWM查表计算工具 在工程实践中,单极性正弦脉宽调制(SPWM)逆变桥路具有多种驱动方式。理论分析、样机实验及软件 仿真发现,不同的驱动方式造成了逆变桥臂单端输出波形、双端输出谐波上的差异。单臂斩波驱动时,桥臂中点 的响应U a 为正半波不变、负半波抬高一个幅值的变异正弦波形,U b 为调制波频率的方波波形。双臂斩波驱动 时,U a 和U b 呈现互差调制波半周期的正弦半波波形。就总的谐波系数(THD)而言,带同臂互补的驱动方式要优 于不带同
T4-6
- 编写一个程序,在屏幕上出现一个圆心沿正弦曲线轨迹移动的实心圆,要求每隔四分之一周期,圆的填充色和圆的周边颜色都发生变化,同时,圆的半径在四分之一周期之内由正弦曲线幅值的0.2倍至0.6倍线性增长-Write a program that appears on the screen a circle along a sinusoidal trajectory solid round, requiring every fourth cycle, a circle filled with color
DFT
- 实现傅里叶变换,数据以txt文本形式给出,运行程序最终分解成幅值和相位,然后以txt文本形式输出-fft,transfer data to amplitude an phase
Single_Phase_Inverter
- Matlab/Simulink模型单相逆变器,实现DC/AC的电力变换功能,电压幅值为311V,频率为50Hz。-Matlab/Simulink model of the single-phase inverters to achieve DC/AC power conversion function, the voltage amplitude of 311V, frequency is 50Hz.
arbitrary-wave-generator
- 这是我初学习绘制波形发生器时所学习的一个程序,很难得,滚动显示,正弦波,矩形波,锯齿波都有,可调节幅值、频率,望大家深入研究。-This is my early learning to draw waveform generator learning by a program that is very rare, scroll, sine wave, square wave, sawtooth wave, adjustable amplitude, frequency, hope everybo
virtual-oscilloscope-module
- 本程序是虚拟示波器,可以显示多条曲线波形,调节幅值和时间-Oscilloscope can display multiple curve
dds_matlab
- 利用Matlab软件编程实现DDS(直接数字频率合成技术)。设时钟的频率为固定值f_C,在CLK的作用下,如果按照0000,0001,0010,…,1111的地址顺序读出ROM中的数据,即表1中的幅值编码,其正弦信号频率为f_01;如果每隔一个地址读一次数据(即按0000,0001,0100,…,1110顺序),其输出信号频率为f_02,且f_02将比f_01提高一倍,即f_02=2f_01;其余类推。这样,就可以实现直接数字频率合成器的输出频率的调节。-Matlab software prog