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FM收音机原理与测试说明
手机FM调频发射器主要应用于车载收音机功能，匹配频段后可以直接收听到手机中播放的音乐。本应用介绍了以瑞萨R7F0C807单片机为核心，通过耳机接口，由智能手机APP控制FM发射器完成频段选择、信号发射等功能。
Comparison of PSK and DPSK modulation in a coded OFDM system vtc97.rar
I analysis the undermodulation,total modulation and over modulation.And the power distribution ,spectrum.you can underst...
Ultra Wide Band (UWB) Transmitter and Receiver Simulation using Pulse Position Modulation (PPM)
this pdf introducing the gsm technology , types of modulation ang its network parts
SPWM technique for Three Phase Inverter. Analysis fundamental improvement with respect to modulation index variation is ...
文中设计了一种可编程的FM锁相发射机。利用Atmega8实现与计算机的串口通信，实现对锁相环芯片和数字电位器的配置，达到改变输出频率和调制频偏的目的。发射机输出频率覆盖2 200~2 300 MHz，调制响应100 Hz~3.5 MHz，能...