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soft_rf
- 软件无线电数字下变频的研究及系统仿真,主要是介绍数字下变频的方案。
ducddc
- 此文章描述了fpga在数字上变频和下变频中的实现功能及作用,对于fpga学习者有着重要作用。
DDS
- FPGA中实现基于查找表方式(LUT)的DDS实现,可用在数字下变频和COSTAS锁相环中,Verilog编写,本人已经调通
经典载波跟踪环costas环simulink建模仿真
- 经典载波跟踪环costas环simulink建模仿真,采用QPSK调制,包含上下变频以及三种不同鉴相方式。,Classic costas loop carrier tracking loop simulink modeling and simulation, using QPSK modulation, including the upper and lower frequency, as well as phase three different ways.
FPGAddc
- 基于FPGA的数字上下变频器的研究与实现,适合通信专业人员参考-FPGA-based digital down converter Research and Implementation for communications professionals reference
fpgashuzi
- 软件无线电中数字上下变频器研究与实现,适合通信专业人员参考-Digital Software Radio Research and Implementation of up and down converter for communication professionals reference
vf0_200v_manual
- 松下变频器原理介绍.内容详细,功率200w.-Panasonic Inverter Principle introduced. Detailed, power 200w.
qiweibakema_f
- 设雷达信号是码宽为0.5微妙,中心频率是10MHz的7为巴克码2PSK信号,接收的雷达回波中频采样频率为40MHz,中频进行正交下变频。假设在13.5km处有一个点目标,仿真该雷达的脉冲压缩处理。-Code-based radar signal is a delicate relief of 0.5, the center frequency is 10MHz for the 7 Barker Code 2PSK signal, the radar echo received IF sampli
OFDMCommunicationSystemMatalabCode
- 一个相对完整的OFDM通信系统的仿真设计,包括编码,调制,IFFT,上下变频,高斯信道建模,FFT,PAPR抑制,各种同步,解调和解码等模 块,并统括系统性能的仿真验证了系统设计的可靠性。 -A relatively complete simulation of the OFDM communication system design, including coding, modulation, IFFT, frequency up and down, Gaussian channel
fangz
- 数字通信系统的仿真,包括调制解调,上下变频,加入了高斯白噪声,并且每个步骤都生成相应的图形-Digital communication system simulation, including the modulation and demodulation, the upper and lower frequency, by adding Gaussian white noise, and each step generates the appropriate graphics
ofdm_Systems_Simulation
- 这是一个相对完整的OFDM通信系统的仿真设计,包括编码,调制,IFFT,上下变频,高斯信道建模,FFT,PAPR抑制,各种同步,解调和解码等模块,并统括系统性能的仿真验证了系统设计的可靠性。 -This is a relatively complete simulation of OFDM communication system design, including coding, modulation, IFFT, and down-conversion, Gaussian channel
OFDM_communication_system
- 这是一个相对完整的OFDM通信系统的仿真设计,包括编码,调制,IFFT, 上下变频,高斯信道建模,FFT,PAPR抑制,各种同步,解调和解码等模 块,并统括系统性能的仿真验证了系统设计的可靠性。 -This is a relatively complete simulation of OFDM communication system design, including coding, modulation, IFFT, the upper and lower frequency,
cdma2k_ddc_12_1
- matlab simulink 开发的CDMA2K DDC数字下变频器和滤波器,使用XILINX FPGA V5系列,并包含DDC每个阶段的输出验证matlab程序,非常实用。-matlab simulink developed CDMA2K DDC digital down converter and filter, using the XILINX FPGA V5 series, and contains the output of each stage of verification DD
OFDM
- 这是一个相对完整的OFDM通信系统的仿真设计,包括编码,调制,IFFT,上下变频,高斯信道建模,FFT,PAPR抑制,各种同步,解调和解码等模 块,并统括系统性能的仿真验证了系统设计的可靠性 -This is a relatively complete simulation of OFDM communication system design, including coding, modulation, IFFT, and down conversion, Gaussian chan
RLS
- 给出完整的通信系统和多径通信信道,并使用带RLS算法的判决反馈均衡器进行均衡。 内有详细注释。 在DFE(lms算法)的基础上,采用RLS算法 产生 0 1 序列--> QPSK映射 --> 上变频 --> 信道(多径、加噪) --> 下变频 --> LMS算法均衡 --> 解映射、判决 --> 求误码率、星座图-This progam include a complete communication system with a m
DDC.m
- 一个数字下变频器(ddc)的示例程序,可以作为参考(This is a MATLAB program for ddc)
下变频
- 一套相对完整的下变频理论以及定点化方法,,我觉得还是很不错的,,,可以给与参考,,,自己手写(A relatively complete set of down frequency theory and fixed-point method, I think it is still very good, and can give reference to, and their handwriting)
DSP1
- 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 )(MATLAB digital down conversion and match filtering experiment)
ddc
- 实现中频信号的下变频处理,包括混频和滤波(implement DDC useing matlab)
DDC
- 数字正交下变频 现采集AD的数据,然后通过MATLAB加载,最后实现DDC下变频。(Digital Orthogonal Downconversion Now collect AD data, then load it through MATLAB, and finally realize DDC down conversion.)