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communicaton_lab
编程产生一组随机的0、1二进制比特序列，分别用2ASK, 2FSK, 2PSK和2DPSK四种调制方式把它们调制到一个较高的载频上，调制参数自定，请给出前8个比特所对应的时域波形。
画出上述四种信号通过高斯白噪声信道后的相干解调器和非相干解调器的原理框图，并给出判决前的观测值的数学表达式。注: 如果某些调制方式无法进行非相干解调，请给出原因。
根据题2中的观测值的数学表达式，分别编程实现判决过程，将判决结果与原数据作比较，统计出各自在不同比特信噪比 值下的误比特率 ，然后画出 与 (dB)的曲线。建议 的范围为 0dB 到10dB, 以1dB为间隔。
将上述仿真得到的误比特率曲线与各自的理论值画在同一张图上进行比较并讨论。同时， 比较和讨论不同调制与解调方式的差错性能区别。(emulate 2ASK, 2FSK, 2PSK and 2DPSK using matlab)
- 2010-02-07 17:09:12下载
- 积分：1
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decompose
MATLAB实现声音信号的小波分解与重构（内副数据）(MATLAB voice signals in the wavelet decomposition and reconstruction (with Vice data))
- 2007-04-18 13:30:56下载
- 积分：1
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microphone-array-
麦克风语音增强算法的研究，原理是经麦克风采集的语音信号，经过功放使所需的信号增强(Microphone speech enhancement algorithm, the principle is captured by the microphone voice signal, the signal through the amplifier to make the necessary enhancements)
- 2011-11-14 20:35:22下载
- 积分：1
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fuzzy_tl
Under the circumstances of pure lag in feedback control system and the imprecision of the controlled object model, the fuzzy logic and pure lag compensation theory is used to design a Fuzzy PI-Smith control system . By the Simulink toolbox and Fuzzy logic toolbox of MATLAB, the system has been simulated. The simulation results show that the Fuzzy PI-Smith system has faster response speed and smaller overshoot than the traditional PI-Smith system.The explicit formulation of Fuzzy PI-Smith system is derived, and it lay the basis for the practical application of control algorithms.
- 2013-05-20 11:28:13下载
- 积分：1
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BPSKaQPSK
BPSK与QPSK调制解调系统的Matlab仿真程序；
发送滤波器与接收滤波器均为根升余弦滚降滤波器；
信道噪声为加性高斯白噪声；
绘制BPSK与QPSK调制下的误码率与信噪比曲线图，并与理论曲线进行对比。
(BPSK and QPSK modulation and demodulation systems Matlab simulation program transmit and receive filters are root raised cosine filter roll-off filter channel noise is additive white Gaussian noise draw BER BPSK and QPSK modulation with a letter under noise ratio graph and compare with the theoretical curve.)
- 2021-04-11 18:08:58下载
- 积分：1
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MatlabExampleVer2.0
说明： Agilent 仪器与MATLAB互联，这是Agilent网站提供的参考源码(Agilent instruments and MATLAB Internet, which is Agilent site provides a reference source)
- 2008-11-26 16:58:47下载
- 积分：1
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garadar
说明： 运用遗传算法的工具箱解决宽带雷达吸波结构的优化问题(use genetic algorithms to solve the toolbox broadband radar absorbing structure of the optimization problem)
- 2020-10-02 09:37:42下载
- 积分：1
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MATLAB-PSO
说明： matlab编写的粒子群优化算法，相当的好用，本人的压箱底的东西(matlab PSO prepared, very easy to use, what my bottom pressure)
- 2011-04-17 18:54:09下载
- 积分：1
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prac2-tds
Source code to calculate PSD by the autocorrelation.
- 2011-08-17 16:46:02下载
- 积分：1
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HeartSound
心音信号进行小波消噪，效果较好，可直接使用(Heart sound signal wavelet denoising, better, can be used directly)
- 2013-04-09 18:15:58下载
- 积分：1
