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OFDMwithwindowing
- OFDM详细仿真，包括每一步的波形，星座图，频谱等-OFDM detailed simulation, including every step of the waveform, constellation diagram, spectrum, etc.
CooperativeSpectrumSensingTechnique
- Cognitive Radios (CRs), which sense the spectrum and implement opportunistic sharing when no licensed user is found to use it, are able to improve the efficiency of spectrum. Spectrum sensing must be firstly solved in CRs. Cooperative sen
fft
- 用VERILOG语言实现的频谱分析仪（FFT)-VERILOG language with the Spectrum Analyzer (FFT)
Spread_2
- This program deals with Spread spectrum communication systems using chaos as the sequence generators.In coming days I will be updating it with complete chaos based generators Frequency Hopping and CDMA systems with multiple users and till oustic netw
DS_BPSK_TX
- This m file generates a DS BPSK transmitter(spread spectrum) using PRBS s which are modulus 2 added(exclusive ored)with the message and then used to BPSK modulate a carrier.
www
- 使用维纳分布进行瞬时频率估计用来校正电离层非线性相位污染带来的频带展宽-High-frequency (HF) sky-wave radar signals propagate to and from the target by means of the ionosphere. The difficulty in obtaining very narrow beamwidths at HF, and the long ranges involved, mean that the
ofdm_signal_spec
- OFDM signal spectrum
hsa
- 对信号进行EMD分解并绘制希尔伯特时频谱的程序，自己做毕业设计编写的- EMD decomposition of signals and time-frequency spectrum of the Hilbert mapping procedures, the design of their own graduates prepared
spectrum
- 频谱分析的一个程序，分析细致！研究频谱分析的可以-Spectrum analysis of a program to analyze detailed! Research spectrum analysis can look at the
experiment2
- AR过程的线性建模与功率谱估计 Yule-Walker法(自相关法) 协方差法；(2) Burg方法；(3) 修正协方差法 -The linear AR process modeling and Yule-Walker power spectrum estimation method (autocorrelation method) covariance method (2) Burg method (3) modified covariance method
spectrum_sensing
- spectrum sensing papers
MCUAD
- 本音频信号分析仪由32位MCU为主控制器，通过AD转换，对音频信号进行采样，把连续信号离散化，然后通过FFT快速傅氏变换运算，在时域和频域对音频信号各个频率分量以及功率等指标进行分析和处理，然后通过高分辨率的LCD对信号的频谱进行显示。该系统能够精确测量的音频信号频率范围为20Hz-10KHz，其幅度范围为5mVpp-5Vpp，分辨力分为20Hz和100Hz两档。测量功率精确度高达1 ,并且能够准确的测量周期信号的周期，是理想的音频信号分析仪的解决方案。-The audio signal ana
ANewAlgorithmforWeightedProportionalFairnessBasedS
- 一篇介绍认知无线电频谱共享算法的IEEE上的论文，对研究认知无线电的研究人员有很大的帮助。-A descr iption of cognitive radio frequency spectrum sharing algorithm on the IEEE paper, the study of cognitive radio researchers a great help.
1
- Cognitive radio frequency spectrum detection-The spectrum sensing of a wideband frequency range is studied by dividing it into multiple subbands. It is assumed that in each subband either a primary user (PU) is active or absent in a additive white
2
- Wideband Spectrum Sensing-Spatial-Spectral Joint Detection for Wideband Spectrum Sensing in cognitive radio networks
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- Spectrum Sensing in Cognitive Radio-Optimal Multiband Joint Detection for Spectrum Sensing in Cognitive Radio Networks
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- Invariant Wideband Spectrum Sensing Under Unknown Variances
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- Blind Spectrum Sensing for Cognitive Radio Based on Model Selection
bell-spike-power-doppler-spectrum-model
- spike power doppler specctrum formula
kuopin_wangying
- 王颖：数字图像水印 用扩频方法实现数字水印-Wayne Wang: Digital image watermarking method using spread-spectrum digital watermarking