搜索资源列表
matlab
- 产生右图所示亮块图像 f1(x,y)（128×128大小，暗处=0，亮处=255），对其进行FFT，同屏显示原图f1和FFT(f1)的幅度谱图，若令f2(x,y)=（-1）x+y f1(x,y)，重复以上过程。以及旋转45度后进行变换-Generating shown bright block image F1 (x, y) (128128 size dark = 0, light at = 255), the FFT, the same screen display Original f1 a
IMJPEG
- n×n子块的DTC图像变换及频谱特点。 熟悉JPEG基本系统的图像编解码方法。-n × n sub-block of the DTC and the spectrum characteristics of the image transformation. Familiar with the basic system of JPEG image codec method.
one
- 产生右图所示图像f1(m,n)，其中图像大小为256×256，中间亮条为128 ×32，暗处=0，亮处=100。对其进行FFT： ① 同屏显示原图f1(m,n)和FFT(f1)的幅度谱图； ② 若令f2(m,n)=（-1）m+n f1(m,n)，重复以上过程，比较二者幅度 谱的异同，简述理由； ③ 若将f2(m,n)顺时针旋转90 度得到f3(m,n)，试显示FFT(f3)的幅 度谱，并与FFT(f2)的幅度谱进行比较； ④ 若将f1(m,n) 顺时针旋转90 度得到
diffration
- 超高斯光束在自由空间中的衍射传播，利用角谱理论。-Super-Gaussian beam diffraction propagation in free space, the use of the angular spectrum theory.
Energy_detection
- use to simulate how to make spectrum sensing in cognitive radio using energy detection
qpsk
- qpsk的频谱图和星座图，然后添加高斯白噪声后观察-qpsk spectrum and constellation diagram, and then add white Gaussian noise was observed after
fresnel-and-convolution
- 全息成像中利用子程序达到仿真采用菲涅尔法，还原采用角谱法的完整程序-Holographic imaging simulation subroutines reached Fresnel, reduction method using the angular spectrum of the complete program
Energy-Detection
- 认知无线电的分布式频谱感知技术研究，能量检测的代码及仿真-Distributed spectrum sensing cognitive radio code emulation technology research, energy detection
jhvv
- STFT several examples, including the same signal output its contour map, three-dimensional spectrum diagram, etc
ercq23
- 我做了很久的,自认很满意,有关信号仿真,信号频谱分析-For a long time, I do think very satisfied, the signal simulation, signal spectrum analysis
pfgnomenonprocedure
- 本程序仿真了信号与系统中的频谱混叠,频谱泄漏和栅栏现象-This procedure is a simulation signal and system of spectrum aliasing, phenomenon of frequency spectrum leakage and fence
fxcc24
- A given incident signal Angle respectively, different SNR circumstance graph of various kinds of spatial spectrum estimation algorithm to get
43936135
- This in the AR model power spectrum estimate, compare the classic spectrum estimation has obvious advantages, is a kind of new estimates,-This is in the AR model power spectrum estimate, compare the classic spectrum estimation has obvious advantages,
一种基于FPGA的相位测量方法_陈兴文
- 一个基于扩频水印的MATLAB程序调试好的，大伙可参考一下，互相学习 (Spread-spectrum watermark based on a MATLAB program debugging good, everyone can make reference to learn from each other)((Spread-spectrum watermark based on a MATLAB program debugging good, everyone can make refe