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cognitive radio
频谱感知,生成采样频率,进行能量检测,采用matlab算法(Spectrum sensing, generation of sampling frequency, energy detection, using matlab algorithm)
- 2019-01-24 15:48:02下载
- 积分:1
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LTE_filter
LTE变采样滤波器的设计,应用在USRP平台,100M采样率变到30.72M采样率,以及30.72M采样率变换到100M采样率,文档说明,matlab源代码,以及性能仿真(LTE varying sampling filter design, used in USRP platform, 100M sampling rate changes to 30.72M sampling rate, and sample rate conversion 30.72M to 100M sampling rate, documentation, matlab source code, and performance simulation)
- 2021-04-12 12:18:57下载
- 积分:1
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16QAM_matlab
实现16QAM完整的调制解调系统,包括基带信号串并转换,星座图映射,升抽样成形滤波,升采样半带滤波,数字上变频,功放的多项式非线性效应,加性高斯白噪声信道,接收端下变频,降采样,匹配滤波,绘制接收端星座图。(16QAM modulation and demodulation realize the complete system, including the baseband signal string and conversion, constellation mapping, sampling shaping filter liter, half liter sampling with filtering, digital up-conversion, amplifier polynomial nonlinear effects, additive white gaussian noise channel, the receiver end down-conversion, down-sampling, matched filtering, draw the receiver constellation.)
- 2020-12-08 15:19:20下载
- 积分:1
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usb_hid
USB HID上位机程序,源码,C#开发(USB HID host computer program, source code, C# development)
- 2012-05-06 23:29:41下载
- 积分:1
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搭建BPSK+编码+交织仿真通信链路
说明: 搭建 BPSK+编码+交织仿真通信链路,仿真分析在不同信道条件下的不同译
码算法的误比特率性能。基于 matlab,搭建 BPSK+卷积编码+交织通信收发链路,
仿真参数如下: 1) 信源比特速率: 100 b R kbps = 2) 卷积编码:码率为 1/2,生成多项式为(561,753) 3) 译码方式:维特比译码(硬判决译码、软判决译码(8 比特量化)) 4) 交织:行列交织,交织器深度为 100bit,宽度为 10; 5) 仿真点数:106 1. 在 AWGN 信道下,仿真并绘出该系统在硬判决和软判决(3bit 量化)两
种译码方式下的信源误比特率曲线,并进行分析。 2. 设定某种交织器结构,在单径瑞利衰落信道( 100 d f Hz = )下,采用理 想信道估计,仿真并绘出该系统在有无交织、不同译码方式(硬判决和 软判决)时,在不同 0 b EN下的信源误比特率曲线,并进行分析。 3. 改变交织器结构,选择三种不同的交织深度(自行决定),在单径瑞利衰 落信道( 100 d f Hz = )下,仿真并绘出该系统在不同交织长度时,在不 同 0 b EN下的信源误比特率曲线,并进行分析。(Build a BPSK + encoding + interleaving simulation communication link, and analyze the different translations under different channel conditions
The bit error rate performance of the code algorithm. Based on MATLAB, BPSK + convolutional coding + interleaved communication transceiver link is built,
The simulation parameters are as follows: 1) source bit rate: 100 b r Kbps = 2))
- 2020-05-15 12:24:37下载
- 积分:1
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AM
AM调制系统的设计及仿真,包括载波信号,载波信号频谱,调制信号,调制信号频谱等图像(Design and Simulation of AM modulation and demodulation)
- 2018-11-27 14:40:12下载
- 积分:1
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STH20
说明: 读取SHT20的数据发送到主控STM32F103vet6(Read data from SHT20 and send it to master STM32F103vet6)
- 2020-06-17 11:20:02下载
- 积分:1
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DOA估计
本资源为多重信号来波方向估计算法的MATLAB实验仿真,压缩有MUSIC,PM,四阶累积量等几种方法的DOA估计算法仿真。资源整理不易,请务必珍惜。(This resource is the MATLAB simulation of multiple signal direction of arrival estimation algorithm, compression MUSIC, PM, fourth-order cumulant and other methods of DOA estimation algorithm simulation. Resource consolidation is not easy. Please treasure it.)
- 2018-09-25 22:14:23下载
- 积分:1
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vhdl按键检测
基于vhdl的按键检测程序。可以有效消除抖动(vhdl key dectect program)
- 2018-02-26 23:48:35下载
- 积分:1
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modulation
有关4QAM,16QAM,64QAM,DQPSK的调制解调的(The 4QAM, 16QAM, 64QAM, DQPSK modulation and Demodulation)
- 2020-10-19 19:07:25下载
- 积分:1