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5
说明： 5. 在三条径的瑞利信道中，对于直接序列扩频：
(1) 请设计DS-CDMA一种具体的码分导引辅助的信道估计方法，接收机分别采用等均益合并、最大比合并。用Simulink进行仿真，画出比特信噪比与信道估计均方误差的关系曲线和比特信噪比与误码率的关系曲线。
(2) 设频率已经同步，请设计DS-CDMA一种具体的单停顿滑动相关时间同步方法，用Simulink进行仿真，画出比特信噪比与捕获概率的关系曲线。
(3) 设时间已经同步，请设计DS-CDMA一种具体的频率同步方法，用Simulink进行仿真，画出比特信噪比与频率同步误差的关系曲线。(5. In three-path Rayleigh channel, for direct sequence spread spectrum:
(1) please design a specific code division navigation aided channel estimation method for ds-cdma, and adopt equal-beneficial combination and maximum ratio combination for receivers respectively.Simulink is used to simulate and draw the relationship curve between bit SNR and channel estimation mean square error and the relationship curve between bit SNR and bit error rate.
(2) assuming that the frequency has been synchronized, please design a specific single-stop sliding correlation time synchronization method ds-cdma, Simulink simulation, draw the relationship between the bit SNR and the acquisition probability curve.
(3) if the time has been synchronized, please design a specific frequency synchronization method ds-cdma, Simulink simulation, draw the relationship between the bit SNR and frequency synchronization error curve.)
- 2019-01-15 10:58:23下载
- 积分：1
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lcd12864
ccs关于测试温度的一些简单小程序，希望能对大家有所帮助。(ccs project)
- 2015-12-03 11:28:52下载
- 积分：1
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对数正态阴影衰落和BPSK的误码率
仿真对数正态阴影衰落和仿真了一个BPSK通信系统，并与AWGN信道下的理论误码率结果进行了比较(Log-normal Shadowing PL model;Simulate a BPSK communication system, comparing simulated with theoretical BER results under AWGN channel)
- 2020-11-21 10:29:36下载
- 积分：1
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FFT
基于时间抽取的8~1024点FFT的程序及输入、输出，用TMS320C54x汇编编写，已通过调试，并对输入方波信号进行FFT变换，检验输出信号是否是一sin波形(Based on the time taken from 8 to 1024 points FFT process and the import, export, and to prepare a compilation TMS320C54x through debugging, and enter the square wave signal FFT transform, testing whether the output signal waveform is a sin)
- 2020-07-03 02:00:01下载
- 积分：1
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GPS_acq
GPS信号的捕获.GPS信号处理中CA码捕获的Matlab程序,CA码的产生,GPS信号产生(c/a generation GPS signal acquisition)
- 2020-11-28 20:09:29下载
- 积分：1
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1123
基于导频的OFDM信道估计的硕士论文一篇，研究信道估计的各种方法(OFDM channel estimation based on pilot master' s thesis a study of channel estimation the various methods)
- 2012-07-26 11:59:34下载
- 积分：1
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2
说明： 基于MATLAB的串口调试程序，可以帮助使用者很好的掌握串口的使用方法(Based on MATLAB serial debugger, you can help the user a good grasp of the serial port to use)
- 2012-05-12 11:57:43下载
- 积分：1
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KF
说明： 序贯滤波程序：
卡尔曼滤波算法（Kalman filtering）一种利用线性系统状态方程，通过系统输入输出观测数据，对系统状态进行最优估计的算法。由于观测数据中包括系统中的噪声和干扰的影响，所以最优估计也可看作是滤波过程。
序贯算法又叫序贯相似性检测算法，是指图像匹配技术是根据已知的图像模块(模板图)在另一幅图像(搜索图)中寻找相应或相近模块的过程，它是计算机视觉和模式识别中的基本手段。已在卫星遥感、空间飞行器的自动导航、机器人视觉、气象云图分析及医学x射线图片处理等许多领域中得到了广泛的应用。研究表明，图像匹配的速度主要取决于匹配算法的搜索策略。
(Sequential filtering procedures:
Kalman filtering (Kalman filtering) is an algorithm that uses the state equation of a linear system to estimate the optimal state of the system through the input and output observation data of the system. Because the observation data include the influence of noise and interference in the system, the optimal estimation can also be regarded as a filtering process.)
- 2021-02-17 23:59:46下载
- 积分：1
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joint-detection-of-TD-SCDMA
为评估TD_SCDMA下行链路联合检测接收机的性能，使用MATLAB软件进行链路仿真，本程序主要是实现用户QPSK基带调制、扩频、加扰、形成时隙、形成子帧、以及进行脉冲形成滤波，通过加性高斯白噪声信道和瑞利衰落多径信道，信道估计、联合检测等几个主要过程，整个仿真都是在基带进行的。(Link simulation to assess the performance of the TD_SCDMA Downlink joint detection receiver using MATLAB software, this program is the main user QPSK baseband modulation, spreading, scrambling to form a slot to form a sub-frame, as well as for pulse formation filter, through an additive white Gaussian noise channels and Rayleigh fading multipath channel, channel estimation, the joint detection of several major process, the entire simulation in the baseband)
- 2012-02-29 21:00:50下载
- 积分：1
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MIMOcommnicationsystemMATALABcode
说明： 多输入多输出系统的MATALAB仿真全部代码，可以运行。(Multiple-input multiple-output system simulation MATALAB all code can run.)
- 2009-08-15 21:47:29下载
- 积分：1
