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timing_recovery
- 我对一个输入调制信号：采样率FS=1200K，中心频率F0=300K，带宽300K。输入信号为一个[样点数,2]的矩阵,即I,Q两路. 进行频谱搬移，分为I，Q分量两路进行矢量乘法，NCO的设置为FC=300K，t=样点数乘以1/FS， 乘完以后我的频谱上显示竟然信号带宽增加了300K，但是中心频率没有改变，请问各位朋友是哪儿出了问题？谢谢您的阅读和意见-Digital Down Converter for matlab realized, certain design speci
digital_down_convertation
- 我对一个输入调制信号：采样率FS=1200K，中心频率F0=300K，带宽300K。输入信号为一个[样点数,2]的矩阵,即I,Q两路. 进行频谱搬移，分为I，Q分量两路进行矢量乘法，NCO的设置为FC=300K，t=样点数乘以1/FS， 乘完以后我的频谱上显示竟然信号带宽增加了300K，但是中心频率没有改变，请问各位朋友是哪儿出了问题？谢谢您的阅读和意见-Digital Down Converter for matlab realized, certain design speci
uart
- 基于FPGA的多调制UART的设计，相当不错，可估参考-FPGA-based multi-modem UART design, very good reference to assess
16QAM
- 16QAM的调制实现 qam调制映射模块 qam.qpf为可执行主程序 testqam.bdf为原理图文件-16QAM modulation to achieve
PSKdemodulation
- 利用硬件描述语言VHDL实现PSK信号的调制-A VHDL program to realize the PSK demodulation of digital signals
pcm
- 在光纤通信系统中，光纤中传输的是二进制光脉冲"0"码和"1"码，它由二进制数字信号对光源进行通断调制而产生。而数字信号是对连续变化的模拟信号进行抽样、量化和编码产生的，称为PCM（pulse code modulation），即脉冲编码调制。这种电的数字信号称为数字基带信号，由PCM电端机产生。-In optical fiber communication systems, fiber-optic transmission of light pulses is a binary "
fsk
- 关于FSK调制的FPGA实现，有VHDL源码-FSK modulation on the FPGA, a VHDL source code
module_dem
- 用verilog编写的信号调制解调程序，包括ask,fsk,qpsk的fpga实现-Prepared using verilog signal modulation and demodulation process, including ask, fsk, qpsk of fpga implementation
CPFSK
- CPFSK调制的相关资料文档，有一定的参考意义。-CPFSK modulation information documents, there is a certain reference value.
ask
- 通信系统数字信号调制，振幅监控ask信号的调制和解调的VHDL代码-Communication systems digital signal modulation, amplitude control ask signal modulation and demodulation of the VHDL code for
ask_fsk
- 数字通信系统振幅键控ASK信号和频移键控FSK的调制与解调的VHDL代码-ASK amplitude shift keying digital communication system signal and the frequency shift keying modulation and demodulation of the VHDL code for
cpsk
- 用VHDL硬件语言对BPSK调制解调系统进行编写，仿真通过，源代码-VHDL hardware language using BPSK modulation and demodulation system, the preparation, simulation adopted, the source code
fsk
- 用VHDL硬件语言编写FSK调制解调系统，经仿真通过-VHDL hardware language using FSK modulation and demodulation system, the simulation through the
pwm
- 运用FPGA 产生pwm脉宽调制信号的源代码-use fpga generate pwm signal
qam_64
- 64QAM调制,采用硬件语言verilog实现,其中调用了DDS的IP核-64QAM modulation, using language verilog hardware implementation, which is called the IP core of the DDS
verilog_16QAM
- 使用verilog实现全数字16QAM调制器，载波频率1MHZ，数据比特流的速率为100Kbps,-the modulation of 16QAM based on FPGA
DATA_16QAM_MAP
- 用于WLAN 802.11a的OFDM发射机的数字调制16QAM-For WLAN 802.11a transmitter of the OFDM digital modulation 16QAM
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
tiaozhijietiaoqi
- 本例子设计了调制解调器的VHDL代码，改模块完全使用文本输入-This example is designed modem VHDL code, and changed completely the use of text input module
VHDL
- 基于VHDL硬件描述语言，对基带信号进行调制，仿真和设计-VHDL hardware descr iption language based on the base-band signal modulation, simulation and design