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FFT.用于数字信号处理
- 用于数字信号处理，计算信号频率。 ,FFT
22
- 非平稳信号的一些处理函数，包括计算瞬时频率和群延迟及非平稳信号的生成。-Some non-stationary signal processing functions, including the calculation of the instantaneous frequency and group delay and non-stationary signal generation.
MS
- 用STM捕获外界频率信号，计算占空比和频率 ，可用于求相位差-Capture the external frequency signal with STM, calculate the duty cycle and frequency, can be used to find the phase difference
Doppler-shift
- 一个计算两个信号频率差的Matlab程序,主要用于求多普勒频偏。-A Matlab program to calculate the Doppler shift
HHT-CODE
- 画出每个IMF分量及最后一个剩余分量residual的图形 画出每个IMF分量及剩余分量residual的幅频曲线 用Hilbert变换直接求该信号的瞬时频率 计算HHT时频谱和边际谱-Draw each IMF component and the last one remaining residual component graphics draw each IMF component and the amplitude of the remaining component of the r
eqep_freqcal
- eqep,通过光电编码器 输出两个正交信号，用于电机的频率计算,-EQEP USE MOTOR FREQCAL
mangbui_v73
- 一个师兄的毕设，esprit算法对有干扰的信号频率进行估计,计算目标和海洋回波的功率谱密度。- A complete set of brothers, esprit algorithm signal frequency interference can be assessed Calculating a target and ocean echo power spectral density.
kuining_v89
- esprit算法对有干扰的信号频率进行估计,最小均方误差等算法的MSE的计算,独立成分分析算法降低原始数据噪声。- esprit algorithm signal frequency interference can be assessed Minimum mean square error MSE calculation algorithm, Independent component analysis algorithm reduces the raw data noise.
boulai
- 计算时间和二维直方图,本科毕设要求参见标准测试模型，esprit算法对有干扰的信号频率进行估计。- Computing time and two-dimensional histogram, Undergraduate complete set requirements refer to the standard test models, esprit algorithm signal frequency interference can be assesse.
kaoning_v16
- 加入重复控制，分数阶傅里叶变换计算方面,esprit算法对有干扰的信号频率进行估计。- Join repetitive control, Fractional Fourier transform computing, esprit algorithm signal frequency interference can be assesse.
giusei_v24
- 利用最小二乘法进行拟合多元非线性方程，构成不同频率的调制信号，计算两个矩阵之间的欧氏距离。- Multivariate least squares fitting method of nonlinear equations, Constituting the modulated signals of different frequencies, Calculation of the Euclidean distance between the two matrices.
gietei
- 具有丰富的参数选项,esprit算法对有干扰的信号频率进行估计,IMC-PID是利用内模控制原理来对PID参数进行计算。- It has a wealth of parameter options, esprit algorithm signal frequency interference can be assessed The IMC- PID is using the internal model control principle for PID parameters is calcul
kenqan_v25
- esprit算法对有干扰的信号频率进行估计,包括轨道机动仿真、初轨计算,MIMO OFDM matlab仿真。- esprit algorithm signal frequency interference can be assessed Including orbital maneuvering simulation, initial orbit calculation, MIMO OFDM matlab simulation.
manghou
- esprit算法对有干扰的信号频率进行估计,是一种双隐层反向传播神经网络，包括轨道机动仿真、初轨计算。- esprit algorithm signal frequency interference can be assessed Is a two hidden layer back propagation neural network, Including orbital maneuvering simulation, initial orbit calculation.
seibou
- 一些自适应信号处理的算法，从先验概率中采样，计算权重，esprit算法对有干扰的信号频率进行估计。- Some adaptive signal processing algorithms, Sampling a priori probability, calculate the weight, esprit algorithm signal frequency interference can be assesse.
joujei_v88
- esprit算法对有干扰的信号频率进行估计,wolf 方法计算李雅普诺夫指数,有小波分析的盲信号处理。- esprit algorithm signal frequency interference can be assessed wolf calculated Lyapunov exponent, There Wavelet Analysis Blind Signal Processing.
信号与系统应用
- 信号与系统的应用，对同一个连续周期信号，选定不同采样间隔 s T 和信号截取长度 1 T ，获得离散 信号，使用DFT或FFT 进行频谱分析，画出频谱图，与理论计算的结果进行比 较，观察： （1）不同采样率 s T 对频率范围和混叠误差的影响； （2）不同采样长度 1 T （单周期采样和多周期采样）对频率分辨率的影响； （3）是否完整周期采样对泄漏误差的影响，多周期采样是否可以减小非完整周 期采样产生的泄漏误差。 以下信号中叠加了一个角频率为50 ? 的高频干扰信号，信号如下： 3 (
freRecovery
- 用于根据线性调频，相位编码等信号的时域波形计算相应的瞬时频率和自相关函数(The corresponding instantaneous frequency and autocorrelation function are calculated according to the time domain waveform of linear frequency modulation, phase encoding and other signals)
信号论文
- 能够进行简单的频率计算，通过输入一个模拟信号没能够用MATLAB计算出相应的信号频率，算法的计算量小，文档完整，文档的附录是MATLAB程序，可以直接在MATLAB中使用(To calculate the simple frequency, through the input of an analog signal can not calculate the signal frequency with corresponding MATLAB algorithm, small amount of
复合信号频率计
- 该系统基于TMS320F2808实现，用来检测和重建复合频率信号中的主次信号。该系统由计算模块、重建模块和通讯模块组成。为了能在实时运行中自适应地确定采样频率，我们采取了“eCAP+AD”的方法，eCAP模块记录下整形后的复合信号的上升沿过零点时间值并估计出主频率，从而使系统能自动地选取合适的采样频率完成AD采样过程。系统采用了4096点的FFT算法，能够实现高达0.25Hz的频率分辨率，相对分辨率达到0.05%。(The system is based on TMS320F2808 to de