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fft2
- matlab实现的fft2程序，可用于图像频谱分析-matlab implementation of fft2 procedures, can be used for image spectral analysis
jieduan_lianghua
- 分析了截短对升余弦信号频谱的影响； 以及量化对升余弦信号及开根号升余弦信号频谱的影响。包含仿真报告。 -Analysis of the truncated raised cosine signal spectrum of the impact and quantified on or open the root cosine signal and cosine signal spectrum or its impact. The report contains the simulati
MATLAB
- 本文完成qpsk信号生成，查看频谱图，学习曲线的绘制-This complete qpsk signal generation, see spectrum, LMS learning curve drawing
ofdm cs sensing ultimate
- 该程序是对OFDM信号的频谱感知的循环特征检测方法，代码齐全，介绍详细-The program is the OFDM signal spectrum sensing cycle of feature detection, code complete, detailed descr iption
fft
- FFT频谱分析，包括矩形波，三角波，及其功率谱-FFT spectrum analysis
QPSKcyclicspectral
- MPSK信号基于高阶循环谱估计载波频率matlab的代码-MPSK signals based on higher-order cycle of the carrier frequency spectrum estimation matlab code
bwyang3
- 认知无线电的频谱检测算法的MATLAB实现，完整版。-Cognitive radio spectrum detection algorithm of the MATLAB realization of the full version.
ffs
- 在matlab环境下仿真随机信号，括号内为内容（正弦信号、白噪声信号、正弦信号附加白噪声三种信号形式） 的代码，计算该随机信号的相关函数和功率谱-In the matlab simulation environment, random signals, the contents of brackets (sinusoidal signal, white noise signal, sine wave signal form of three additional white noise
spectrum-zooming
- 频谱细化小程序（基于czt的频谱细化MATLAB程序）-Detailed spectrum of small procedures (based on MATLAB refinement spectrum czt Procedure)
CPFSK
- MATLAB仿真CPSFK,请大家参考。-MATLAB simulation CPSFK, please refer to.
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
glp
- 计算太阳黑子的活动周期，分别利用周期图法，Lenvinson-Durbin法和Burg法求得其功率谱，并画出曲线，观察得到活动周期-Calculation of sunspot activity cycle, namely the use of periodogram, Lenvinson-Durbin and Burg obtained the power spectrum, and draw curve, observation cycle
FreqzPhase
- 对信号进傅里叶变换，得到振幅谱和相位谱，并可画出振幅谱和相位谱。-The signal into the Fourier transform, the amplitude spectrum and phase spectrum and amplitude spectrum and phase draw spectrum.
ar_burg
- matlab使用burg法的AR模型谱估计源代码 使用时只需改变加载的文件名 调整模型的阶数就可以了-burg method matlab using AR model spectrum estimation simply by changing the source code used to load the file name to adjust the order of the model can be a
ds
- 直序扩频系统的matlab仿真，可以让读者清楚的了解扩频通信的概念以及波形效果-DSSS matlab simulation system that allows readers a clearer understanding of the concept of spread spectrum communication, as well as the effect of waveform
kuopinxinhaojiance
- 利用MATLAB对扩频信号进行检测和参数估计，结果表明本方法具有在低信躁比下检测的优势-The use of MATLAB for spread spectrum signal detection and parameter estimation results show that this method is in the low than under the letter impatient edge detection
xianxintiaopinfangzhen
- 基于MATLAB的线性调频信号产生以及频谱分析，某雷达参数下的模糊函数及自相关函数仿真分析。-MATLAB based on the linear frequency modulation signal generator and spectrum analyzer, a parameter under the radar ambiguity function and autocorrelation function simulation analysis.
windspeedsimiulaition
- 采用自回归滑动模型进行风速时程的模拟，本程序主要是针对的Davenport谱-Using autoregressive moving model of the simulated wind speed time history, the program is mainly directed against the Davenport spectrum
Sample
- MATLAB 模拟布拉格光纤光栅反射谱，通过给出相关参数，模拟其反射谱的状态-MATLAB simulation of FBG reflection spectrum, through the relevant parameters are given to simulate the reflection spectrum of the state of
FFt
- 其中图片说明： A： 傅里叶变换后频谱图 B：陷波函数作用后的频谱图 C：经逆变换的滤波后图像，效果不是很理想 Ifft2：为验证自己的快速傅里叶变换程序的正确性，用matlab自带逆变换程序将频谱逆变换后图形，与原图相符，说明快速傅里叶变换程序正确。-One Photo caption: A: After the Fourier transform frequency spectrum diagram B: the role of Notch function, the fre