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sunday
- 当把m个信号叠加在一起时，经倒谱分析是能检测出其基频。但倒谱分析主要是用在同态滤波中，可用于某些信号的解褶积。例如提供的语音信号，就能通过倒谱把频谱中的包络和基频频谱分离，-When the m signal superimposed together, by the cepstrum analysis is able to detect its fundamental frequency. However, cepstral anal
bp
- bp网络实现认知无线电的检测和预测，从而达到了对频谱的分配-bp cognitive radio network detection and prediction, so as to achieve the allocation of spectrum
DFT
- 题目：离散富立叶变换（DFT）和频谱分析.matlab实现 1信号函数h(t)= e-a*t*tsin(2πft)2编程计算的离散富立叶变换（DFT）和IDFT图像。3计算振幅谱，相位谱以及检测信号主频-Title: Discrete Fourier Transform (DFT) and spectral analysis. Matlab function to achieve a signal h (t) = ea* t* tsin
spektrum
- rect3.pro是idl拟真的3种不同长度的矩形波以及对应的频谱用以检测时长乘以带宽等于固定值，spect_test.pro是拟真不同的窗口函数以及对应的频谱-idl immersive rect3.pro is the three kinds of different lengths, as well as the rectangular-wave spectrum for the detection of the correspo
cr
- 频谱感知是认知无线电的一个重要前提，而能量检测法则是比较成熟的频谱感知算法。它可以有效地凡发现频谱孔，使得认知无线电与周围通信环境相适应-Spectrum sensing cognitive radio is an important prerequisite, and the law of energy detection of the spectrum is a more mature perception algorithm. W
Edgedetect
- 小波变换检测信号频谱边缘，利用多尺度小波模极大值法确定信号频谱边缘。-Wavelet transform edge detection of the signal spectrum, using multi-scale wavelet modulus maximum method to determine the edge of the signal spectrum.
2
- 基于自适应子带频谱熵的稳健性语音端点检测-Based on adaptive sub-band spectral entropy of the robustness of Speech Endpoint Detection
MATLAB_pitch
- 用matlab计算一些基本的音频特征，基本的特征包括：特征统计、Energy Entropy Standard Deviation (std)、均值信息熵、过零率检测、频谱衰减-Using matlab calculate some basic audio features, the basic features include: Features and Statistics, Energy Entropy Standard Devi
chengxu
- 认知无线电中频谱感知技术的AM信号能量检测技术和周期平稳检测技术-Spectrum sensing in cognitive radio technologies AM signal energy detection and cyclostationary detection
bpsk
- 基于能量检测的频谱感知.由于实际信道中的多径和阴影效应，单个认知用户频谱感知的性能受到影响，因此需要靠不同用户间的协同频谱感知来对抗多径和阴影效应。本设计要求在文中采用一种协作机制，即两用户进行协作频谱感知，提高主用户的检测率，减少检测时间，并且得到捷变增益。要求给出仿真结果。-spectrum sensing in cognitive radio based on energy detection.As the channels in
ceprum
- 基于倒谱法的基音检测算法，最终图形描述为频谱和倒谱。-Cepstrum-based pitch detection algorithm, the final graphical representation of spectrum and cepstrum.
PdandPf
- 最大化频谱接入机会的能量检测方法的研究---认知无线电-Access to opportunities to maximize the energy spectrum detection of cognitive radio---
Ts_change_Pdnochange
- 最大化频谱接入机会的能量检测方法的研究-----认知无线电-Access to opportunities to maximize the energy spectrum detection of cognitive radio-----
simulationofthebasebandtransmission
- 设计数字基带传输系统，利用MATLAB强大的仿真功能，结合其所具有的图形叠加特性，针对余弦滚降最佳接收系统、部分响应系统进行仿真，通过观察仿真眼图、频谱图、功率谱图以及误码率曲线，检测系统的码间串扰和传输质量。-This article designs the digital baseband transmission system, uses the MATLAB formidable simulation function,unif
fz
- 关于MATLAB能量检测频谱感知算法的研究代码-MATLAB energy detection on spectrum sensing algorithm code
weak-signal-detection-and-analysis
- 微弱信号的提取检测和分析 用matlab实现的源代码 首先计算输入信号的均值、均方值、方差、频谱及功率谱密度，确定输入信号中包含着有用信号。然后提取有用信号，并要求计算提取信号的均值、均方值、方差、概率密度、频谱及功率谱密度，并画出曲线-The extraction of weak signal detection and analysis
Archive
- 可模拟能量检测 在任职无线网络中频谱感知模块有重要应用-Can simulate the energy detection of wireless networks in office, there are important applications of spectrum sensing module
nengliangjiance-
- 可模拟能量检测 在任职无线网络中的频谱感知中有重要应用-Can simulate the energy detection in wireless networks in office, there are important applications of the spectrum sensing
FPGASquare-RootRaised-CosineFilter
- 数字通信系统中, 基带信号的频谱一般较宽, 因此 传递前需对信号进行成形处理, 以改善其频谱特性,使 得在消除码间干扰与达到最佳检测接收的前提下,提高信道的频带利用率。目前,数字系统中常使用的波形成形滤波器有平方根升余弦滤波器、 高斯滤波器等。设计方法有卷积法或查表法, 其中: 卷积法的实现,需要消耗大量的乘法器与加法器,以构成具有一定延时的流水线结构。为降低硬件消耗,文献提出了一种分-FPGA Implementation o
OFDM_DETECTION
- OFDM检测的仿真，通过计算OFDM的归一化4阶累积量，实现OFDM信号的判决，内含升余弦滚降滤波或内插滤波的频谱图-OFDM simulation test, by calculating the normalized OFDM 4th order cumulant, to achieve decision OFDM signal, containing Raised Cosine filter or interpolation fi