搜索资源列表
4CPM
- 实现完整的4CPM(h=1/2)调制解调程序，包括消息序列生成，串并转换，升抽样成形滤波，数字上变频，多项式非线性效应，AWGN信道，到接收端数字下变频，降采样，匹配滤波，接收端基带信号星座图。-Message sequence generation, serial-parallel conversion, up sampling shaping filter, digital upconversion, polynomial nonlinear effects, AWGN channel, t
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, samplin
MTI
- 雷达系统动目标显示，包含目标参数设置，预处理下变频滤波和动目标显示。仿真图给出了最后的频域波形。-the radar system MTI process.
gsm_ddc
- 基于GSM的数字下变频代码，能够直接生成Verilog代码，需要Synplify DSP 支持。-GSM DDC code. This Model can directly generate RTL code via Synplify DSP.
FPGA_HW_FOR_FTT
- Chirp信号数字下变频的Matlab和ISE+Modelsim交互仿真-Interactive simulation of Matlab and ISE+Modelsim in Chirp signal digital down converter
DDC
- matlab 编写的简单数字下变频仿真程序，含NCO模块、混频、低通滤波、抽取。模块大多采用matlab自带函数实现- program for DDC simulink base on Matlab
ddc
- 数字下变频matlab代码，包含NCO、混频、抽取、低通滤波器部分的仿真-DDC matlab code, including NCO, mixing, extraction, simulation, part of the low-pass filter
cordic
- 用VIRELOG语言编写的，CORDIC算法应用于数字信号处理中的数字下变频的程序-Writed by VIRELOG language ， the CORDIC algorithm is used in digital signal processing of digital frequency conversion process
HD-VIDEO-design
- Altera® 高清晰度视频参考设计以隔行扫描或逐行扫描格式实现标准清晰度 (SD)、高 清晰度 (HD) 和 3 千兆位每秒 (Gbps) 视频流的高质量上变频、下变频和交叉变频 (UDX) 设计。-hd video design refrence files
DDC
- 数字下变频在matlab中的仿真，实际测试好用，仿真结果不错，可以学习。-DDC in Matlab
DDC-digital-down-converter
- 资料为matlab实现的DDC功能，即数字下变频。数字下变频是软件无线电中的关键技术，文件可用matlab打开，直接可以跑出波形。-this is the code of DDC(digital down converter) on matlab,DDC is a key technology of SDR,this file can be opened by matlab，and you will get the simulation waveform directly.
digital-down-converter-ddc
- 这是用VHDL语言写的数字下变频模块，包含整个工程文件，数字下变频是软件无线电中的关键技术，可以直接用Quartus II打开。-this is a module of DDC(Digital Down Converter) with VHDL, it includes the whole project,you can open it with Quartus II directly.
Digital_IF_receiver
- 关于数字中频接收机的MATLAB仿真代码，下变频采用cordic算法，并经过三级抽取、滤波处理。调试通过可运行-This code is about digital IF receiver on MATLAB simulation.downconvert using cordic algorithm, and after three extraction, filtering process. You can run debugging
ADF4153
- ADF4153是一款小数N分频频率合成器,用来在无线接收机和发射机的上变频和下变频部分实现本振,程序实现了对4153的控制-ADF4153 is a fractional-N frequency synthesizer used in wireless receivers and transmitters upconversion and downconversion part to implement local oscillators
DDC
- nco + cic + ddc 数字下变频抽取滤波的基础步骤，代码已通过调试-nco+ cic+ ddc
IQ
- MATLAB实现数字下变频，低通滤波法，写的不错，拿来分享- MATLAB implementation of digital down conversion, low pass filtering method, write good, used to share
CIC_filter
- 抽取:(接收端) 中频信号IF 20M(采样率是50M) 下变频信号 MIX_O 1M(50M) 采用CIC滤波器进行降采样率。 插值:(发送端) 基带信号上变频到1M，采样率是2.5M，采用CIC滤波器进行升采样率处理。 注释：升采样率或者降采样率不会改变原始信号的中心频率，但是频谱分布会发生改变。-Extraction: (receiver) IF signal 20M (sampling rate is 50M) down-conversion signal M
DDC
- 雷达系统中数字下变频DDC算法的MATLAB实现方法-Radar system DDC DDC algorithm MATLAB implementation
Downsimple
- 对降采样原理的验证程序，验证降采样后的原频信号的频率变化(To verify the principle of the descending sampling principle, the frequency change of the original frequency signal after the sampling is verified .)
变频
- 在matlab环境下对于三相异步电动机进行的的变频调速仿真(Frequency conversion speed regulation simulation of three phase asynchronous motor)