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mod
- explain all the modulation techniques so u can understand them very clearly
DDS-baseddesignofthesinusoidalsignalgenerator
- 本设计采用AT89552单片机，辅以必要的模拟电路，实现了一个基于直接数字频率合成技术(DDS)的正弦谊号发生器。设计中采用DDS芯片AD9850产生频率1KHZ~10MHZ范围内正弦波，采用功放AD811控制输出电压幅度， 由单片机AT89S52控制调节步进频率1HZ。在此基础上，用模拟乘法器MC1496实现了正弦调制信号频率为1KHZ的模拟相度调制信号；用FPGA芯片产生二进制NRZ码,与AD9850结合实现相移键控PSK、幅移键控ASK、频移镇键FSK。-AT89552 the singl
ZX
- 本系统以51单片机及FPGA为控制核心，由正弦信号发生模块、功率放大模块、调幅（AM）、调频（FM）模块、数字键控（ASK，PSK）模块以及测试信号发生模块组成-The system of 51 single-chip and FPGA for the control of the core module by the sinusoidal signal, power amplifier module, AM (AM), frequency modulation (FM) module, dig
FPGA
- 对2DPSK及QDPSK数字调制信号进行了分析,采用FPGA在QuartusII环境下,利用VHDL语言及图形输入方式对调制系统进行了设计,用Altera公司的芯片EP1C3T144C-8为核心器件组建的系统进行了功能测试,得到了满意的验证波形-The signals of 2DPSK and QDPSK digital modulation are analyzed,the adoption of FPGA realization digital phase modulation syste
ofdm
- ofdm is a multicarrier modulation technique inn wireless communication
plusewidthmodulationgeneratorqartus
- pluse width modulation generator。基于VHDL语言，PMW波形发生器-pluse width modulation generator VHEL
QPSK
- 用FPGA实现QPSK调制的4篇论文，对用FPGA开发QPSK很有帮助！-QPSK modulation with FPGA Implementation of 4 papers on the use of FPGA development QPSK helpful!
ASK-modulation
- ASK调制与解调VHDL程序及仿真，里面包含完整的源程序，适合初学者-ASK modulation and demodulation process and VHDL simulation, which contains the complete source code, suitable for beginners
pwm
- the code describe the Pulse Width Modulation (pwm) or la modulation de largeur d impulsions in french with the language vhdl
FPGA_FSK
- VHDL编写的2FSK调制与解调模块，已验证通过 -2FSK prepared by the VHDL modulation and demodulation module, has been verified through
QPSK-by-FPGA
- 基于FPGA的QPSK调制与解调的实现，使用VHDL语言编写-Implementation of FPGA modulation and demodulation based on QPSK, using VHDL language
FPGA_QPSK
- 本设计是基于FPGA技术来实现QPSK 数字调制传输系统。通过VHDL语言基于 FLEXlOK芯片完成了QPSK数字调制系统 的调制与解调模块、位同步信号恢复模块、 帧同步信号提取模块，数据采集模块、数据 恢复等模块的设计与仿真。-This design is based on FPGA technology to achieve QPSK Digital modulation transmission system. Based on the VHDL language
0424
- Using high-order cumulants of MPSK signal modulation recognition, The final weight matrix is ??the filter coefficient, Including compression ratio, image restoration computing uptime and peak signal to noise ratio.