搜索资源列表
DFT进行频谱分析时的三种现象
- DFT进行频谱分析时的三种现象 1、混叠：对连续信号采样，要求连续信号是带限的，采样频率要足够高。Fs应满足Nyquist采样定理才不产生混叠。 采样前加低通滤波器防混叠 2、频谱泄漏：DFT对时域信号进行了截断（相当于采样信号乘了一个窗函数），时域的乘积相当于频域卷积，改变了原信号频谱。 改用其他窗函数（非矩形）改善泄漏。 3、栅栏现象：DFT 只给出了频谱在采样点上的取值，采样点间的频谱内容丢失。-DFT spectrum analysis of a
Demo_MWC
- 亚奈奎斯特采样在多频带模拟信号中的应用--用于降低采样率和计算量-Sub-Nyquist sampling analog signals in a multi-band applications- used to reduce the sampling rate and computation
keyasuochuangan
- 对可压缩的信号可通过远低于Nyquist标准的方式进行采样数据，仍能够精确地恢复出原始信号，对图像处理具有重要意义。-On the compressible signals can be well below the Nyquist sampling data standard manner, is still able to accurately restore the original signal, the image processing is important.
Wavelet_OMP
- 压缩传感，MATLAB，图像重建，正交匹配追踪，打破乃奎斯特定理-Compressed sensing, MATLAB, image reconstruction, orthogonal matching pursuit, breaking the Nyquist Theorem
CS_OMP
- 压缩传感，MATLAB，信号重建，正交匹配追踪，打破乃奎斯特定理-Compressed sensing, MATLAB, signal reconstruction, orthogonal matching pursuit, breaking the Nyquist Theorem
diagramas-NYQUIST
- Nyquist diagram for compensation of control systems engineering.
tutorial-compression-perception
- tutorial压缩感知代码。压缩感知，又称压缩采样，压缩传感。它作为一个新的采样理论，它通过开发信号的稀疏特性，在远小于Nyquist 采样率的条件下，用随机采样获取信号的离散样本，然后通过非线性重建算法完美的重建信号-The tutorial compression-aware code. Compressed sensing, also known as compressed sampling, compressed sensing. It as a new sampling theory
nyquist_two_order
- 画出二阶戴维南RC等效电路的奈奎斯特曲线和一组数据的三维散点图，剖面图-Draw the second-order thevenin RC the Nyquist curve of equivalent circuit and a set of 3 d scatter plot of data, profilet
pianweifenfangcheng
- 对可压缩的信号可通过远低于Nyquist标准的方式进行采样数据，仍能够精确地恢复出原始信号，对图像处理具有重要意义。-On the compressible signals can be well below the Nyquist sampling data standard manner, is still able to accurately restore the original signal, the image processing is important.
Wavelet_OMP_WD
- 压缩感知，通过开发信号的稀疏特性，在远小于Nyquist 采样率的条件下，用随机采样获取信号的离散样本，然后通过非线性重建算法完美的重建信号-Compressed sensing, through the development of signal sparse characteristics, in the condition of far less than the Nyquist sampling rate, the use of random sampling to obtain the
demo_video
- 基于立体块的压缩视频感知。然后分别对测量值的全局置乱和采样率的重新分配处理进行了介绍，其中，解码端通过对堆叠测量向量进行全局随机置乱，增强了对帧间结构特性的利用，置乱后测量向量的性质接近于同时多帧测量的测量向量，改善了单纯堆叠测量向量时低采样率下的解码性能-Compressed sensing (CS) breaks the limits of Nyquist sampling rate and achieves a direct sampling for information. Compre
Bode_Nyquist
- 用MATLAB绘制系统Bode图和Nyquist图的方法，并通过系统的Bode图和Nyquist图分析系统的动态性能、稳定性和相对稳定性。-Method MATLAB mapping system Bode diagram and Nyquist plot, and through the dynamic performance of the system Bode diagram and Nyquist diagram analysis, stability and relative stab
mibimum-predicate-Nyquist
- Geodesic active contour, -Geodesic active contour, Geodesic active contour,
Nyquist
- matlab中的nyquist图像程序，可以进行参数处理，进一步得出结论。(The Nyquist image program in Matlab can carry out parameter processing and draw a conclusion further.)
Nyquist
- matlab中的nyquist图像程序，可以进行参数处理.(The Nyquist image program in Matlab can carry out parameter processing .)