搜索资源列表
Weak-signal-detection
- 本文利用软件相移技术得到相互正交的参考正弦波信号；通过互相关算法，完成了软正交矢量型LIA相关器的具体实现；利用该方法实现了对微弱信号幅值和相位的检测，有效地抑制干扰，减少了硬件电路成本。通过Matlab仿真，验证了该算法具有一定的优越性。-In this paper, the software technology is orthogonal to the phase shift of the reference sine wave signal through cross-correlat
SNR
- 资料中介绍了几种经典信噪比估计算法的编码并进行比较，包括误差矢量幅值法、最大似然估计、迭代法以及奇异值分解法。-Data introduces several classical coding SNR estimation algorithm and compared, including error vector magnitude, maximum likelihood estimation, iterative method and singular value decomposition
RLC-Series-resonance-characteristics
- 用实验方法测试RLC串联谐振电路的幅频特性曲线。当正弦交流信号的频率f改变时，电路的感抗、容抗随之而变.取电路电压U0作为响应，当输入电压Ui幅值维持不变时，在不同信号频率的激励下，测出U0之值，用LabVIEW程序完成频谱分析和滤波，变换等信号处理，即可测出RLC串联电路的谐振频率，-Amplitude-frequency characteristics experimentally tested RLC series resonant circuit curve. When changing
exp2
- MIT归一化算法，为了克服MIT自适应律的缺陷需要对其做些修正，使得自适应增益与输入信号幅值无关-MIT normalization algorithm, MIT adaptive law in order to overcome its shortcomings need to do to fix such adaptive gain is independent of the input signal amplitude
03071155prony
- matlab变成实现prony算法，自动提取符合信号中分量的频率、幅值、相位、衰减系数等参数，可以实现数据拟合-matlab become realized prony algorithms automatically extract the parameters frequency, amplitude, phase, in line with the signal attenuation coefficient component, you can achieve data fitting
hilbert
- 将实信号变换为复信号，提取信号幅值、相位角，计算相位同步指数，分析各组信号数据之间的同步稳定性。-The signal is converted into a complex signal, extraction of signal amplitude, phase angle, calculation of phase synchronization index, analysis of stability of synchronization between each signal data
dyzj
- 基于S变换的短时电能质量扰动检测方法，从S变换的结果S模矩阵及S复矩阵中提取出所需数据并以此来对各种扰动情况下的电压暂降的幅值、相位跳变、持续时间和谐波含量进行分析-Disturbance detection method based on the results of short-term power quality S transform from S Mode S transform matrix and complex matrix S to extract the required d
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
USB1
- 通过VISA与串行接口仪器通信，用Labview做核心处理部分，实时显示出脉搏信号波形，并将数据进行分析和处理，得到人体脉搏跳动的幅值和频率。-Through VISA and serial interface communication instrument, using Labview do core processing part, real-time display the pulse signal waveform, and the data analysis and processi
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
DVR
- 系统侧的电压在0.04秒到0.06秒发生15％的电压跌落，在0.06 秒到0.07秒分别加入了3次和2次谐波，幅值分别为基波电压的20％和15％，相位分别为负25度和35度。-System voltage side occurs in 0.04 seconds to 0.06 seconds 15 of the voltage drop in 0.06 seconds to 0.07 seconds and 3 were added to the second harmonic amplitu
ansys
- 利用ansys仿真工具，进行应力波的仿真模拟。从而获得幅值相位信息！-Ansys use simulation tools for simulation of stress waves. To obtain the amplitude of the phase information!
shiyuzhibiao16
- 信号特征提取16个时域、频域指标 均值、标准差、方差、 偏斜度指标、峭度指标、 峰-峰值、峰值、均方幅值、平均幅值、方根幅值、波形指标、峰值指标-Signal feature extraction 16 time domain, frequency domain mean, standard deviation, variance, skewness index, kurtosis index, peak- peak, mean square amplitude, average ampli
wang
- 设计一个单片机与DA0832组成的波形发生器。要求产生周期，幅值均是固定。但波形是可选的，分别为正弦波、方波、三角波、锯齿波。并通过虚拟示波器观察波形的周期是否正确。-Design consists of a microcontroller and DA0832 waveform generator. Cycles required to produce the amplitude are fixed. But the waveform is optional, namely sine, squ
SSSS
- 永磁同步电机直接转矩控制中引入SVPWM技术后，磁链和转矩脉动明显减小,且速度响应明显加快。这是由于传统的DTC系统釆用滞环控制器,每个周期选择一个幵关电压矢量,不能完全补偿转矩和磁链的误差 而后者采用PI控制器和SVPWM调制,可选择多个基本电压矢量来合成任意的电压矢量,能够更好的补偿误差。仿真结果说明,基于SVPWM的DTC系统在磁链幅值响应以及转矩响应上的改善效果很明显。-the impact of space voltage vector of the stator flux and t
sanweitu
- 把滤波之后的波形按照取点时的位置放在一个矩阵中来表示三维数据，并在三维图像中读取图像最高点的幅值和坐标。-The wave filter according to the position taken after the time point represented in a three-dimensional data matrix, and the coordinates of the image and read the maximum amplitude point in a three
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
contour
- 对数据的实部、虚部幅值的磁感应强度和等矢量磁位线的分布情况进行研究-The real part of the data, the distribution of the imaginary part of the amplitude of the magnetic induction and magnetic vector lines and other research