搜索资源列表
DDC
- DDC 利用cIC和半带滤波器 抽取实现下变频
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
principle-of-DDC
- 数字变频技术是软件无线电的核心技术之一。该文档主要介绍数字下变频（DDC）原理。-the principle of DDC
digital-downconversion
- 一篇关于基于FPGA的数字下变频的不错文章，值得参考。-An article on FPGA-based digital downconversion good article, worth considering.
qam128main
- 信号处理设计，包括下变频，抽取滤波，同步，均衡等模块，对加扰QPSK信号进行解调设计。-Signal processing design, including down-conversion, decimation filtering, synchronization, equalization module, scrambled QPSK signal is demodulated design.
FPGA-AFC-Phase-tracking
- 本论文主要研究并设计实现了扩频通信接收系统的跟踪模块，接收系统主要由数字下变频、数字匹配滤波器、差分解调、自动频率跟踪处理等模块组成。-This paper mostly introduces and implementes the receiving system, the receiver unit mainly consisted of the digital down converter, matched filter, differential demodulator, output
DDC-and-Decimation-
- 数字采样及数字下变频技术是研究软件无线电接收机的重要内容之一。其中针对多种速率信号的采样，对 可变的信号符号率与固定的系统采样率进行实时匹配问题，是研究多速率信号数字化所遇到的难点问题之一。文中通过抽 取和内插技术的组合解决了这一问题。并在此基础上着重研究了高速抽取和内插的多项滤波结构，为数据率的快速匹配奠 定了基础。-Digital sampling and digital downconversion technology is an important part of rese
32compressed-echo_MTD
- 32个脉冲调制的线性调频连续波发射信号，单目标回波信号中加入了距离时延与多普勒频移信息。数字下变频后再进行脉压与MTD处理从而检测出距离与速度信息。-Chirp 32 pulse-modulated continuous wave transmit signals, a single target echo signal from the delay and added to the Doppler shift information. MTD frequency pulse pressure
DDS_CORDIC_eetop
- 数字下变频CORDIC算法实现，用MATLAB语言编写-Digital Down Conversion CORDIC algorithm, written in MATLAB language
ddc_purechangeone
- 数字下变频器的matlab仿真，包括基带信号的调制，然后经过混频模块、CIC模块、FIR模块最后得到基带信号的过程-Digital down converter matlab simulation, including the modulation baseband signal, and then after mixing module, CIC module, FIR module finally get baseband signal process
11
- 数字下变频，采用硬件描述语言实现的数字下变频-Digital down Frequency Digital down Frequency based on hardware language HDL
dspddc_R12p1
- 这个模型模拟配置的GSM运营定点数字下变频器（DDC），利用Simulink，DSP模块，以及定点模块组。该模型模拟了TI/ GrayChip GC4016四路数字下变频芯片一种操作方式-This model simulates a fixed-point Digital Down Converter (DDC) configured for GSM operation, using Simulink, DSP Blockset, and the Fixed Point Blockset. Th
DDC
- 三种方法实现数字下变频：直接法、bessel插值、多相滤波等-three method of DDC
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
DDCliuliu
- 数字下变频的全过程的matlab仿真 还是不错的-Matlab digital down conversion of the whole process simulation
FPGA-DDC
- 通信下变频的FPGA设计，内容很完备，讲解很详细，不错的资料-Under the communication frequency of FPGA design, content is complete, explain in great detail, good information
adi_duc_core
- DDC的处理,描述从ADC采集数据后信号的下变频处理.主要是信号滤波和抽取-digital handle
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
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