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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
main
- DMT调制,就是把整个通信信道在频域上划分很多子信道,在每个子信道上仍然采用QAM或类似的带通信号进行传输。其中QAM的通带中心频率应该与相应的子信道的中心频率一致。-DMT modulation, that is, the entire communication channel in the frequency domain divided on a lot of channel in each channel is still used on QAM or similar bandpass
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
band_pass_signal_simulation
- 这是个带通信号仿真调制代码,画出带通信号X(t)的幅度谱,带通信号X(t)的包络波形等。-This is a simulation of bandpass modulation code, and draw the bandpass signal X (t) the amplitude spectrum, bandpass signal X (t) the envelope waveform.
bandpass
- a band pass signal through an ideal BPF x(t) =[1+cos(pi*t/T)]*cos(2pi*fc*t)
Cc4
- 通信系统仿真原理与无线应用第四章的程序,是有关带通信号与系统的低通仿真模型的。-Wireless Communication System Simulation Theory and Application of Chapter IV of the program is about the bandpass signal and system low-pass simulation model.
Cckk4
- 通信系统仿真原理与无线应用第四章的程序,是关于带通信号与系统的低通仿真模型的。-Wireless Communication System Simulation Theory and Application of Chapter IV of the program is on the bandpass signal and system low-pass simulation model.
untitled
- A bandpass signal is defined by clear all t=-10:0.06:10 m=3*(cos(2*pi*10*t)+4*sin(2*pi*20*t)) x=6*m.*cos(2*pi*100*t) f0=100 fmax=100 NSamples=256 Amplitude Response plot of x(t) figure(1) subplot(211) plot(t,ab
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
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
Ajmal-signal-project
- Bandpass and Nulling Filter Design project on matlab
test
- 数字中频正交解调的matlab仿真程序,简单带通信号的正交解调实现-Digital IF quadrature demodulation matlab simulation program, a simple bandpass signal quadrature demodulator to achieve
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.
QPSK
- 数字调制就是把数字基带信号的频谱搬移到高频处,形成适合在信道中传输的带通信号。基本的数字调制方式有振幅键控(ASK)、频移键控(FSK)、绝对相移键控(PSK)、相对(差分)相移键控(DPSK)。在接收端可以采用想干解调或非相干解调还原数字基带信号。 -Digital modulation is the spectrum shifting to high frequency digital baseband signals, suitable for the formation of ban
IR-bandpass-filter-with-entrance-signals
- This program Is an IR bandpass filter which filters the signal that is needed for processing.
bandpass-filter
- C语言实现带通滤波器,可以直接运行。在信号处理过程中非常有用-C language implementation bandpass filter, which can be run directly.In the process of signal processing is very useful
octave-bandpass-filter
- 倍频程带通滤波器,实现倍频程分析和计算信号的有效值-Octave bandpass filter to achieve octave analysis and calculate the effective value of the signal
filter bandpass
- Bandpass Filters A band pass filter is an electronic circuit that allows the passage of a Frequency range of a signal and attenuates the remaining frequencies. We present three bandpass filters that added deliver the audible spectrum By the human