搜索资源列表
AnalogSimulation
- 压缩感知的宽带信号的模数转换及分析代码。具有很强的理论分析与应用价值。-Simulation package of sub-Nyquist sampling and support recovery using the modulated wideband converter (MWC). This page describes the MWC design, the Matlab code, and offers two software packages: analog and digita
fensduan
- 采用分段设置采样速率的方式，用MATLAB仿真实现新型频率特新测试方法——调频脉冲扫描法和组合正弦波法。-The use of sub-sampling rate settings the way, using MATLAB simulation of the frequency of implementation of new special new test methods- FM-pulse scanning method and the combination of sine-wave
IndoorlocationTrackingUsingRSSIReadingsfromasingle
- 通过单一的Wi-Fi接入点的信号强度来判断移动物体的位置。比较新的一篇文章。用了蒙特卡罗抽样的办法－Monte Carlo Sampling Method－来估计位置。-This paper describes research towards a system for locating wireless nodes in a home environment requiring merely a single access point. The only sensor reading
nsct_toolbox
- 对图像进行非下采样小波变换，得到一个低频子带和若干个高频子带。-Under the image of non-sampling wavelet transform, to get a low-frequency sub-band and a number of high-frequency sub-band.
CompressionbyYikwang
- This code perform the DCT and quantization on all the channels without any sub-sampling and for the compression of color images, they are first converted to the YCbCr color format and vice versa, use the function rgb2ycbcr and ycbcr2rgb.
OFDM_rece_matlab
- 一个OFDM符号128个有效符号，插入128个虚拟子载波 符号率（即有效数据率）fsymbol，而发送速率（需要包括虚拟子载波）2fsymbol 输入的数据需要2倍的发送数据率，以便进行内插，实现位定时跟踪，即4倍fsymbol采样率的调制信号 OFDM symbol Nfft=128 points 一个OFDM符号数据点 Nfft*2 = 256 ， Guard Interval点 ＝Ng*2=64 - a OFDM symbol 128 effective s
CFRdemo
- 压缩感知matlab代码，在欠采样的条件下实现模数转换。在超宽带和频谱混叠的情况下亦可通过本软件仿真。具有较高的参考价值。-Conventional sub-Nyquist sampling methods for analog signals exploit prior information about the spectral support. A more challenging problem is spectrum-blind sub-Nyquist sampling of mult
Phase-unwrapping-algorithm
- 对于InSAR 系统,当波长较长时,干涉图条纹频率较低,相位解缠容易,但反演的高程精度较低 而当波长较短时,干涉图条纹频率较高,相位解缠困难,但反演的高程精度较高. 为了充分利用多波段 InSAR 干涉相位之间的互补信息,设计了利用中国余数定理的多波段InSAR 相位解缠方法,采用由DEM 仿真的多波段干涉图进行了相位解缠实验,得到了理想的解缠结果,成功解决了因地形起伏较大或基线较长而引起的干涉相位欠采样处的相位解缠难题.-For the InSAR System熏when the
v06_03_dem_2up_arrange
- 一个OFDM符号128个有效符号，插入128个虚拟子载波 符号率（即有效数据率）fsymbol，而发送速率（需要包括虚拟子载波）2fsymbol 输入的数据需要2倍的发送数据率，以便进行内插，实现位定时跟踪，即4倍fsymbol采样率的调制信号 OFDM symbol Nfft=128 points 一个OFDM符号数据点 Nfft*2 = 256 ， Guard Interval点 ＝Ng*2=64 -128 of an OFDM symbol of a val
MWC-subnyquist
- MWC sub nyquist sampling Compressive sensing
cs
- 基于压缩感知思想的图像分块压缩与重构方法 考虑到大多数图像信号信息分布有差异, 编码端, 在对图像分块的基础上, 融合熵估计 和边缘检测方法计算各图像块的信息含量, 再从两个不同的角度进行分类采样: 依据信息量多少将图像块分为平滑、过渡和纹理3 类, 使用不同的采样率采样 依据信息量的分布特征, 采用不同的采样率分配策略进行采样. 在解码端, 根据不同类型的图像块构造不同的线性算子进行重构, 再运用改 进的迭代阈值算法去除块效应和噪声. 实验证明, 算法在提升图像重构质量的同时缩短了
PAPR-Reduction-based-on-a-Modified-PTS
- PAPR Reduction based on a Modified PTS with Interleaving and Pulse Shaping method for STBC MIMO-OFDM System. It is with GUI. Using GUI we can see comparison with number of sub carrier, sub-block and over sampling factor as well BER plot compari
JPEG_Codec
- This a JPEG codec with AC/DC Huffman entropy coding, 4:2:0 Sampling, RGB/YCbCr converter. 2D-DCT and Quantization is included in the JPEG_Main. There also a Huffman table list in .txt, two sample testing picture and the bitrate-PSNR , Compressi
sub-waveform
- 地球物理学，子波波形绘制程序，采样间隔0.002ms-Geophysics, sub-waveform drawing program, sampling interval 0.002ms
simulation_code
- Simulation of the following paper A Wideband Spectrum Sensing Method for Cognitive Radio using Sub-Nyquist Sampling IEEE DSP/SPE, Arizona, USA, 2011 - Simulation of the following paper A Wideband Spectrum Sensing Method for Cognitive