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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
FILTER_REAL_TIME
- 实时滤波器,具有精美界面,可以开发自己的应用功能。-You can use 4 types of filters: - Butterworth - Chebyshev 1 - Chebyshev 2 - Elliptic You can use them as: - Lowpass - Highpass - Bandpass - Stopband Showing theirs features in frequency, phase and
bandpass
- a band pass signal through an ideal BPF x(t) =[1+cos(pi*t/T)]*cos(2pi*fc*t)
Multirate
- Multirate滤波器设计。模拟带通信号频率范围1KHz—1.1KHz,设计一个采样频率8KHz数字频谱分析系统,要求频率分辨率0.1Hz。-Multirate filter design. Analog bandpass signal frequency range 1KHz-1.1KHz, design a sampling frequency of 8KHz digital spectrum analysis system, required frequency resolution o
caiyangdingli
- 使用每秒10个采样的频率 ,对信号 进行采样,画出原始信号的傅立叶变换X(f) 和理想采样信号的傅立叶变换 。假定重构滤波器是带宽为 的理想低通滤波器,具有带通增益 ,画出重构滤波器的输出-Using 10 samples per second frequency, the signal is sampled, to draw the original signal Fourier transform X (f) and the ideal sampling signal Fourier tra
BandpassSignalGen
- generation of wideband high dynamic range analog signal for area-efficient MADBIST, especially for the on-chip testing of wireless communication IF digitizing sigma–delta modulator chip. Via increasing the order of the one-bit bandpass sigma–delta m
matlabASKPSKFSK
- 数字信号的传输方式分为基带传输和带通传输,在实际应用中,大多数信道具有带通特性而不能直接传输基带信号。为了使数字信号在带通信道中传输,必须使用数字基带信号对载波进行调制,以使信号与信道的特性相匹配。这种用数字基带信号控制载波,把数字基带信号变换为数字带通信号的过程称为数字调制。通常使用键控法来实现数字调制,比如对载波的振幅、频率和相位进行键控。-Transmission of digital signals into base band transmission and band-pass tr
bandpass
- 产生随机信号 并通过带通滤波器 并计算统计特性Any changes made cards can be good results-Random signal generated by band-pass filter and calculate the statistical properties
MQAM_SNR
- 对实带通和复基带的MQAM的信噪比进行仿真,绘制信噪比曲线、眼图和星座图,在MATLABR2009b上可正常运行-real bandpass and complex baseband simulation of signal to noise ratio of MQAM, including signal to noise ratio curve drawing, eye diagrams and constellation diagrams, can be run in MATLABR2009
daitonglvwav
- 利用matlab语言,设计带通滤波器,对声信号进行滤波处理,除去环境噪声。-Using matlab language, designed bandpass filter, the acoustic signal filtering to remove noise.
MATLAB-shiyan
- 本文介绍了基于MATLAB软件在《信号与系统》课程教学中的仿真实验,通过抽样信号的表征、周期方波信号的傅立叶级数分解与合成、余弦信号的相加与相乘、RLC带通滤波器的频率特性等仿真实验,说明了将MATLAB应用于教学实践中的重要作用和意义。-This article describes the MATLAB-based software in the " Signals and Systems" course teaching simulation, by sampling th
sig_bandpass
- 实现带通信号经过带通系统后的结果与其等效的基带信号经过等效的基带系统的结果比较 -With communication, realize through bandpass system with the results of equivalent baseband signal after the results of the system of baseband equivalent comparison
FIR
- fir带通滤波器,可将不需要的频率成分的信号滤去-fir bandpass filter unwanted frequency components can be filtered signal
Ajmal-signal-project
- Bandpass and Nulling Filter Design project on matlab
modulation-realise
- 用Matlab产生一个频率为1Hz、功率为1的余弦信源,设载波频率为10Hz,并画出: 1.DSB调制信号及其功率谱密度; 2.将已调信号解调,在时域内将解调后的波形与原信号进行对比; 3.A=2的AM调制信号及其功率谱密度; 4.SSB调制信号及其功率谱密度; 5.在信道中各自加入经过带通滤波器后的窄带高斯白噪声,功率为0.1,解调各个信号,并画出解调后的波形。 -Matlab produce a frequency for 1 hz, power for 1 co
wushizhen
- 对信号分别无失真频率和失真频率带通采样得到采样后的频谱图-Signal distortion frequencies and distortion frequency bandpass sampling frequency spectrum after sampling
lvboqi
- 功率谱分析。。带通滤波器。分离三个正弦+随机信号-Power spectrum analysis. . Bandpass filter. Random signal separation three sine+
low_band_sample
- 针对低通采样信号和带通采样信号分别用满足乃奎斯特抽样定理和不满足乃奎斯特抽样定理的条件进行抽样,并分析其频谱特征。-For lowpass and bandpass sampled signal sampled signals were used to satisfy the Nyquist sampling theorem and the Nyquist sampling theorem does not satisfy the conditions of sampling and analy
filter-design-for-a-mixed-signal
- 提取某合成信号的三个频率成分,设计相应的滤波器,matlab源程序-Extract the three components of a mixed signal via a lowpass,bandpass and highpass filter.
bpsk_mod
- Function bpsk_mod (x, L, SNR, pulse, theta, phi) Function that implements a bandpass signal generator in Phase and quadrature. Input Parameters: 1.- X = bit sequence 2.- L = oversampling factor 3.- SNR = signal-to-noise ratio at