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mpsound
- 录制一段个人自己的语音信号。对录制的信号进行采样；画出采样后语音信号的时域波形和频谱图；对语音信号进行加噪和去噪处理，画出滤波后信号的时域波形和频谱，并对滤波前后的信号进行对比，分析信号的变化；回放语音信号；实现快录慢放、慢录快放等功能。-Record a person' s own voice signal. Of the recorded signal sampling draw sample after the speech signal time-domain waveform
wlan_transmitter
- WLAN仿真－发送机 wlan No Comments 设置完系统参数后，开始产生发送数据。 1. 产生随机的发送bit（tx_bits），这里不考虑信道编码。 2. QAM映射 3. 将数据映射到不同载波，形成OFDM符号 4. 产生pilot，并将pilot插入OFDM符号中 5. 加入dc和guard子载波 6. 进行ifft，将频域信号变到时域，并加入循环前缀 7. 对信号进行overlap window 8. 在时域产生short preamb
modulation
- 通信信号相干调制解调源码 Fc=10 ％载频 Fs=40 ％系统采样频率 Fd=1 ％码速率 N=Fs/Fd df=10 numSymb=25 ％进行仿真的信息代码个数 M=2 ％进制数-Coherent modulation and demodulation of communication signal source Fc = 10 carrier frequency Fs = 40 systematic sampling frequency Fd = 1 co
voiceFreqChange
- 改变声音信号采样频率的matlabt程度-Change the voice signal sampling frequency matlabt the extent of
filter-deniose
- matlab下实现降噪，功率谱计算。％程序中设定采样点数为256个，采样频率为10000hz， ％输入信号为随机噪声和两个正弦的合成信号 ％设定的滤波器的截止频率为3500hz ％通过挈比雪肤滤波器，运行程序，比较滤波前后的频域波形 ％滤波去除了高频信号-matlab achieve noise reduction, power spectrum calculation. Sampling procedure set for 256 points, the sampling f
New-Compres-Sampling-Algorithm
- GPS信号基带处理方面在IEEE文章 信号跟踪和捕获-GPS signal baseband signal in the IEEE article, track and capture
audio
- 本实验旨在了解如何将模拟的声音信号转化为数字信号，重点掌握在数字声音四个重要的技术指标：采样速率、量化比特数、声道数和编码方法。-This experiment aimed at understanding how analog voice signal into a digital signal, with a focus in the hands of digital audio technology to four key indicators: the sampling rate, qu
filter
- ％ y=filter(sig,fmin,fmax) ％ 对信号进行理想滤波，可完成低通，带通 ％ sig为被滤波信号 ％ fmin为下限频率，当fmin为0时为低通滤波器，当fmin>0时，为带通滤波器 ％ fmax为上限频率，fmax>fmin ％ fs为信号的采样频率 ％ y为经过滤波后的信号 -％ Y = filter (sig, fmin, fmax)％ of the ideal signal filtering, to be com
szxhsy
- 数字信号处理实验详解及MATLAB实现源代码 实验一： 系统响应及系统稳定性 实验二： 时域采样与频域采样 实验三： 用ＦＦＴ对信号作频谱分析 实验四：ＩＩＲ数字滤波器设计及软件实现 实验五： FIR数字滤波器设计与软件实现 实验六： 数字信号处理在双音多频拨号系统中的应用-Detailed experimental digital signal processing and MATLAB source code to achieve the experimental on
ArrayFundamentalsandConventionalSpatialFilteringbe
- 1 Array Fundamentals 1.1 Spatial Signals 1.2 Array Signal Model 1.3 Spatial Sampling 2 Conventional Spatial Filtering: beamforming - Beam response 2.1 Spatial Matched Filter -Element spacing -Array aperture and resolution 3 Concl
smctc-rc4
- Sequential Monte Carlo-Sequential Monte Carlo Sequential Monte Carlo methods are a very general class of Monte Carlo methods for sampling from sequences of distributions. Simple examples of these algorithms are used very widely in the tracking
sampling
- Z8 64k microcontroller code for sampling an input signal using built-in ADC
CWsinal
- matlab绘制CW信号的时域波形，同时对信号进行频谱分析，并考察采样频率以及信噪比对频谱分析的影响。-matlab draw CW signal time-domain waveform, and spectral analysis of signals and the sampling frequency and signal to noise ratio study of the impact of spectrum analysis.
bianhuan
- 实现FFT变换的函数。调用形式为y=bianhuan(xr,n) 其中，xr为要进行傅立叶变换的采样信号为输入,y为输出，n为信号xr的长度。-A function of the realization of FFT transform. Call the form of y = bianhuan (xr, n) of them, xr Fourier transform in order to carry out the sampling signal for the input, y is
pitchwatch
- function pitchwatch(x,Ts) Plot the pitch keys. pitchwatch(x,[Ts]) :: Syntax The array x is the input signal and Ts is the (optional) sampling period. Example on use: [x,Fs] = wavread( Hum.wav ) pitchwatch(x,1/Fs) :: Inf
digitaloscilloscope
- This digital oscilloscope takes a MCU and FPGA as the core. We made emphases on the choice of the sampling methods and the implement of equivalent sampling as a result, our design not only has the real-time sampling mode but also can reach the highes
qiweibakema_f
- 设雷达信号是码宽为0.5微妙，中心频率是10MHz的7为巴克码2PSK信号，接收的雷达回波中频采样频率为40MHz，中频进行正交下变频。假设在13.5km处有一个点目标，仿真该雷达的脉冲压缩处理。-Code-based radar signal is a delicate relief of 0.5, the center frequency is 10MHz for the 7 Barker Code 2PSK signal, the radar echo received IF sampli
UWB-LFM-signal
- 基于欠采样的超宽带线性调频信号参数估计，硕士论文-Due to sampling-based ultra-wideband LFM signal parameter estimation, master' s thesis
zhong
- 运用Matlab语言编程，进行信号分析的能力。音频信号是一种连续变化的模拟信号，计算机只能处理和记录二进制的数字信号，由自然音源而得的音频信号必须经过采样，量化和编码，变成二进制数据后才能送到计算机进行再编辑和存贮，通过本实验中了解模拟信号采样和重构的完整过程，加深对采样定理的理解。-Matlab programming language to use for signal analysis. Audio signal is a continuous change of the analog s
matlab
- 应用MATLAB实现连续信号的采样与重构仿真-Application of MATLAB to achieve continuous signal sampling and reconstruction of simulation