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STFT在跳频信号中的应用
- 本文中对多种窗函数和一种窗函数不同参数的STFT进行MATLAB仿真,选择合适的窗函数和参数估计会在跳频信号中取得很好的效果
FHSS_DSSS_CDMA
- matlab源码产生跳频信号的m文件,非常好的-Matlab source of the signals generated hopping m document, very good Eastern
HF_ZYY
- 短波跳频信号协议仿真,考虑了 多径的影响,协议传输的准确性-agreement shortwave frequency signal simulation, in consideration of the multi-path effects, the accuracy of transmission agreement
hop-freq_matlab_simulation
- 介绍了跳频扩频通信系统的原理。应用matlab语言防真和分析了一个1个频点的跳频通信系统的扩频通信过程;防真和分析了2个跳频信号跳频点的变化情况。-introduced a frequency-hopping spread spectrum communication systems theory. Application of Matlab language and the defense really an analysis of
SFH_MFSK
- 高速跳频,调制样式为MFSK(MFSK/FH),包括信号的发射接收模型,自己写的代码,仅供参考。-err
random_fh_simulatin
- 利用MATLAB实现了跳频信号的调制和解调,给出了频谱图。-The use of MATLAB implementation of the frequency hopping signal modulation and demodulation, give the frequency spectrum.
Hopping
- 基于时频分布的跳频信号分析研究,短时傅立叶变换,魏格纳分布,伪魏格纳分布,平滑伪魏格纳分布-Based on the distribution of time-frequency analysis of frequency hopping signals, short-time Fourier transform, Wigner distribution, pseudo-Wigner distribution, smoothed pse
fh
- Frequency Hopping Spread Spectrum 这是一个跳频信号的时频分析程序-Frequency Hopping Spread Spectrum is a frequency-hopping time-frequency analysis program
channel1_1210
- 用折叠算法来进行检测及进行参数估计是在跳频信号领域里行之有效的办发-With a folding algorithm to detect and estimate the parameters of frequency hopping signals in the field of effective hair do
pinpuxiangjian
- 用自适应门限的方法进行跳频信号的参数估计,取得了较好的效果-Adaptive threshold method estimates the parameters of frequency hopping signals, achieved good results
detect
- 用功率谱进行跳频信号的检测,是一个行之有效的办法-With the power spectrum frequency hopping signal detection, is an effective way to
waveformestimation
- 用小波变换来对跳频信号进行分析,并估计参数,是一个叫好的办法-Wavelet transform of the frequency hopping signal is analyzed and estimated parameters, is a way to applause
freq_hopp_sprd_spctrm
- 件里包含了跳频信号的产生的程序。调跳信号的产生及应用-Cases where the signal contains a frequency-hopping generation process. Tone signal generation and application of jump
SimuForFMJP
- 跳频信号是新的通信与雷达信号的一种,其保密性强,不易受噪声干扰,但解调复杂。本程序给出了高斯白噪声情况下调频信号的模拟过程,供通信和雷达专业的师兄弟参考。这是本文论文一部分的程序-FH signal is a new kind of communications and radar signals, and its confidentiality, less susceptible to noise interference, but
跳频与扫频信号发生
- 用chirp函数实现了多个跳频信号在时间轴上依次出现,作为跳频发生信号的模型,可用于进一步的信号处理。(With the chirp function to achieve a number of frequency hopping signal in the time axis in turn appear as a frequency hopping signal generation model can be used for f
sfft-0.1.0
- 采用MATLAB编程实现二分查找法的稀疏傅立叶变换算法。研究算法参数变化对信号频谱的影响,并对特定的宽带跳频信号进行稀疏傅立叶变换处理,得出相应的频谱,并与快速离散傅立叶变换的结果进行比较。(Recurrence of sparse Fourier transform)
flostft
- 构造一个跳频信号使之产生稳定的时频波形,并用汉宁窗去 进行时频分析(To construct a frequency hopping signal that is generated when the frequency waveform is stable, and with a Hanning window to time-frequency analysis)
跳频仿真
- MATLAB跳频仿真源代码,展示了整个跳频通信过程,包括信号源产生、2FSK调制、跳频扩频、跳频解调、2FSK解调、抽样判决、恢复原始信号过程,适合初学者(MATLAB frequency hopping simulation source code, showing the entire frequency hopping communication process, including signal source generatio
单通道跳频信号分选函数
- 用于单通道跳频信号分选的子函数,包括实现同步正交和异步非正交跳频网台信号分选(A sub-function for single channel frequency hopping signal sorting, including synchronous orthogonal and asynchronous non-orthogonal frequency hopping network signal sorting)
随机跳频信号
- 生成一组随机跳频信号,并进行参数估计生成时频图,matlab例程11111111