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第二次实验

于 2020-07-03 发布

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下载积分: 1 下载次数: 1

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说明： matlab语音基因频率能量计算！一个非常有用的基音频率计算方法，一个小项目。(Matlab voice gene frequency energy calculation! A very useful pitch frequency calculation method, a small project.)

文件列表：

ah_SpeechLpcPeaks.m, 779 , 2020-04-03
ahFftAndPower_spectrum.m, 1063 , 2020-04-03
ahSpeechTwoWindosTime.m, 463 , 2020-04-01
BasicFrequence.m, 1485 , 2020-04-03
frame.m, 1494 , 2020-03-14
frame2time.m, 169 , 2020-03-22
Lecture4_Demo_Spectrogram.m, 1518 , 2020-04-04
Lecture6_Demo_LPCFormants.m, 3302 , 2018-04-12
LpcPeaks.asv, 756 , 2020-04-03
Spectrogram.m, 2309 , 2020-04-04
we were away a year ago_lrr.wav, 60990 , 2020-04-04
WHUT_10k.mat, 66679 , 2020-03-22
ah.mat, 19176 , 2020-03-31
ah_speech_PitchesAndPeaks.m, 646 , 2020-04-03

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仿真Alamouti 的 BER 性能曲线
说明：仿真Alamouti 的 BER 性能曲线（QPSK 调制）(Simulation BER of QPSK Alamouti STBC with two transmit and receive antenna)

2020-06-19 10:00:02下载

积分：1
UsingProtocol
说明：自己实现的基于串口通讯发送短消息的低层协议JAVA代码，对于初学者有一定的参考和帮助价值，特意上传上来共享一下！(Their own realization of serial communication based on sending short messages JAVA code low-level agreement, for beginners there is a certain degree of reference and to help the value of deliberately upload up to share about!)

2008-11-18 10:20:14下载

积分：1
MATLAB-detection-of-signal
关于常规信号，线性调频信号和相位编码信号的检测和估计(detection and analaysis of normal signal, LFM and phase coding signal.)

2012-05-04 11:37:27下载

积分：1
VBLASTMMSE
说明：仿真V-BLAST结构MMSE检测算法性能，调制方式为QPSK(The performance of V-BLAST MMSE detection algorithm is simulated, and the modulation mode is QPSK)

2021-01-15 11:04:14下载

积分：1
中兴捧月
说明：信道估计的插值算法（中兴捧月）XXXXXXXXXXXX(Interpolation Algorithm for Channel Estimation (Zhongxing Holding Moon))

2019-04-18 16:41:38下载

积分：1
RayleighFading
瑞利多径衰落信道仿真，jakes模型，有图(rayleigh fading)

2013-11-05 20:57:46下载

积分：1
uwb_ppm_bpsk
uwb_ppm_bpsk的源码,可以由此学习UWB的调制解调方式,对研究UWB有很大帮助(uwb_ppm_bpsk source code, which can study the UWB modulation and demodulation, UWB research will be of great help)

2021-04-10 15:58:59下载

积分：1
Enb_Select
LTE系统中小区的选择，根据物理位置或是最大发射功率(enb in LTE system)

2015-04-08 10:50:19下载

积分：1
simulink通信仿真
介绍了使用simulink对通信系统进行仿真的基础知识，以及对OFDMK、CDMA、多址接入MIMO仿真的详细解释(This paper introduces the basic knowledge of using Simulink to simulate the communication system, and explains in detail the simulation of OFDMK, CDMA and multiple access MIMO.)

2018-04-24 11:13:03下载

积分：1
8
说明： 8. 单径瑞利信道中的四发四收V-BLAST： (1) 请设计一种具体的导引辅助的信道估计方法，用Simulink进行仿真，测量16QAM调制时的误码率性能。画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线。 (2) 计算所设计方案的频谱效率是多少，单位为bit/Hz/s。(8. Four transmit four receive v-blast in single-path Rayleigh channel: (1) please design a specific navigation-assisted channel estimation method and conduct simulation with Simulink to measure the bit error rate performance of 16QAM modulation.The relation curve between the bit signal-noise ratio and the mean square error of channel estimation is drawn, and the relation curve between the bit signal-noise ratio and the bit error rate is drawn. (2) calculate the spectral efficiency of the designed scheme in bit/Hz/s.)

2019-01-15 11:01:23下载

积分：1

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