搜索资源列表
1231243513up_convert_ofdm
- OFDM调制解调算法中的上变频算法以及matlab的实现方法-OFDM modulation and demodulation algorithm in the upconversion algorithm matlab implementation
ddc_matlab
- 这是关于wcdma数字上变频的matlab程序,通过抓取得到wcdma信号数字信息-this is a program about the ddc of wcdma,the wcdma digital information has been taken and saved
AD9857_DataSheet
- 讲述了上变频的相关原理以及其vertebi译码，和相关的编码-Tells the story of upconversion the relevant principles as well as its vertebi decoding, and the associated coding
4QAM_2.5GHz
- 一个用MATLAB编写的，上变频为2.5GHz的OFDM仿真程序，很好用的程序，适合学习OFDM初学者-A MATLAB prepared, the frequency of 2.5 GHz OFDM simulation program, very good procedures, suitable for OFDM beginners to learn
PskScyB
- 产生psk调制信号的源程序，并对信号进行成型滤波及上变频-generate PSK modulated signals, and the signals pass the shaping filter and DUC
work
- 本程序是关于卫星上下变频的简单的实现算法，首先产生双边带调制信号，与收本振混频后，通过低通滤波器完成下变频。再与发本振混频，通过高通滤波器后完成上变频-This program is a simple algorithm on the satellite and down-conversion, the first double-sideband modulation signal generated, after the close of the oscillator mixer, low-p
变频器
- 对于变频器上电瞬间，电容相当于短路，整流器件将承受较大冲击电流，因此使用充电电阻限制电流过大，造成整流器件损坏
QPSK_MOD_DEMOD
- QPSK信号的产生程序与解调程序，简单的01序列与星座点的映射，上变频,解调时下变频，星座点到01序列的逆映射，适合初学者。-qpsk modulation and demodulation
Sound-Wave
- Matlab 模拟声波传数，包括基带调制、数字上变频、数字下变频、滤波、译码等-Matlab to simulate the sound wave number, including baseband modulation, digital frequency conversion, digital frequency conversion, filtering, decoding, etc
AD9957_cn
- AD9957：内置18位I/Q数据路径和14位DAC的1 GSPS正交数字上变频器(中文版PDF1, 680 KB)-AD9957: Built-in 18 I/Q data paths and 14 drive the DAC 1 GSPS Quadrature Digital (Chinese version PDF1, 680 KB)
polyphase_filter_hdl
- 数字上变频或者数字下变频过程中内插和抽取的多相处理，用于降低硬件消耗-polyphase filter handle
ddc1
- 数字上变频，包括DDC,CIC,补偿FIR,FIR。-Digital down conversion VHDL procedures, FIR, CIC filter
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
MyOQAM
- OFDM/OQAM调制解调源码，另外增加了上变频部分，中心频率30KHz-OFDM/OQAM modulation and demodulation ，also include up frequency to 30Khz
Upconverter-100MHz
- 用于SDR研究的100M上变频的设计电路及相关资料。Upconverter-100MHz-ADE_Design_Files_Rev2012-09-02-All design files associated with this Upconverter project are hereby deeded into the Public Domain by Opendous Inc.
multi-standard-radio
- 介绍了一种基于软件无线电技术的多制式电台测试系统。该系统采用了直接射频采样，以硬件实现实时数字下变频与上变频，以软件在零中频信号上实现多制式调制解调的结构，从而可应用于对多制式电台的性能参数自动测量。 -Introduced multi-standard radio test system based on software radio technology. The system uses direct RF sampling, implemented in hardware real-t
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
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
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