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simulationsystem
- 围绕模拟系统调制仿真的模拟通信系统包括两个部分： 1.线性调制： 包括调幅（AM）、双边带调制（DSB）、单边带调制（SSB）、残留边带调制（VSB）。 2.非线性调制： 包括调频（FM）、调相（PM）。-Around the simulation system for simulation of analog modulation communication system consists of two parts: 1. Linear modulation: includi
dds36
- 基于FPGA的DDS调幅与调频，调幅在0到5V步进为0.1V，频率从10HZ到1M，分为两段，一段为10HZ到1KHZ，步进为10HZ，1KHZ到1MHZ，步进为1KHZ-DDS-based FPGA' s AM and FM, AM Stepping in the 0 to 5V for 0.1V, the frequency from 10HZ to 1M, is divided into two paragraphs, one for the 10HZ to 1KHZ, steppi
AD9958
- 基于AD公司的AD9958高速直接数字频率合成芯片，适合于高精度标准、非标准信号源等场合。最高工作频率：500MHz.可以调频调幅，AM,FSK,ASK 双通道输出.-AD based on the company AD AD9958 high-speed direct digital frequency synthesizer chip, suitable for high-precision standards, and so on non-standard signal source.
SineWaveGennerator(ad9850)
- 用AD9850实现正弦信号的产生，可以调频，调幅，输入为4*5键盘，输出为1602。-AD9850 to achieve sinusoidal signal with the selection can be FM, AM, enter 4* 5 keyboard, output for 1602.
Detectionreceiver
- 本设计采用AT89S52为控制核心，以DDS芯片AD9850产生频率可以自动可调的正弦扫频信号，实现了全频范围和特定范围内自动搜索和手动搜索，并且鉴别外来信号的调制方式：调频、调幅、等幅。通过单片机自动显示外来信号频率并存储，达到侦察接收机的性能要求。-AT89S52 the design for the control of the core, have a DDS chip AD9850 automatically adjustable frequency swept sine signal
taller_am_fm_pm
- am fm and pm modulation and demodulation
am_fm
- Basic familiarization about AM and FM, i have taken my speech to check whether AM or FM properly recover the signal or not, after modulation and demodulation.
chh
- 信号发生器，可以产生，多种波形，正弦波，方波，锯齿波等波形，可以实现调频，调幅-Signal generator, can produce a variety of waveforms, sine wave, square wave, sawtooth wave, etc., can be FM, AM
simplex_wireless_calling_system
- 单工无线呼叫系统分发射和接收两大部分。发射部分采用锁相环式频率合成器技术， MC145152和MC12022芯片组成锁相环，将载波频率精确锁定在35MHz，输出载波的稳定度达到4×10-5，准确度达到3×10-5，由变容二极管V149和集成压控振荡器芯片MC1648实现对载波的调频调制；末级功放选用三极管2SC1970，使其工作在丙类放大状态，提高了放大器的效率，输出功率达到设计要求。接收部分以超大规模AM/FM立体声收音集成芯片CXA1238S为主体，灵敏度、镜像抑制、信噪比等各项性能指标均达
modu_classify
- 以前常有的调制识别程序大多是基于MATLAB的，本程序是基于C语言的实用程序，可以识别AM、FM、DSB、LSB、USB、CW、Noise等模拟调制信号的调制类型，是在实际工程中正在应用的实用程序！-Previous common modulation identification procedures are mostly based on MATLAB, and this program is based on the C language utility can identify the
simulink_communicationsystems
- 文件中包含有AM, DSB-SC, FM, PLL, Data Acquisition, Digital Data Transmission, PCM和Delta Modulation的simulink环境下的实现 -This project allows you to learn the communication systems in greater depth by giving you the reins to play with it ! It contains the simu
si4730
- FM&AM双频收音头SI4730源代码，生产用！-FM & AM dual-band radio head SI4730 source code, production!
classification
- 最基本的调制识别程序，供入门者使用。识别fm和am-The most basic modulation recognition program for beginners to use. Identification fm and am
bh1415f
- KEIL编写的c文件用于控制BH1415F的频率。长用于调频、调幅。-KEIL prepared c-file is used to control BH1415F frequency. Long used for FM, AM.
chenxu
- 各种波形产生器，包括方波，三角波，锯齿波，正弦波，且可调频调幅 -A variety of waveform generator, including square, triangle wave, sawtooth, sine, and can be FM-AM
Amplitude_mod_m
- fm=input( Enter the message signal frequency fm= ) fc=input( Enter the carrier frequency fc= ) Am=input( Enter the message signal amplitude Am= ) Ac=input( Enter the carrier signal frequency Ac= ) n=input( Enter the no of DFT points: )
AD9959
- 程序主要编写了DDS芯片AD9959的驱动，并实现了其相应的功能，如AM、FM等-Program and wrote a DDS chip AD9959 driver, and achieved its corresponding features, such as AM, FM, etc.
dds_final
- 使用Verilog HDL语言实现的一个DDS，可以发生0-10Mhz正弦波、方波、三角波，频率步进可调，FM调制、AM调制，调制度可调。DA芯片为8位并行，160MHz-Using the Verilog HDL language implementation of a DDS, can occur 0-10Mhz sine, square, triangle wave, frequency step tunable, FM modulation, AM modulation, adjusta
5767
- 5767源程序代码，主要用在车载收音，普通MP3收音等产品上。里面包含FM,AM,autoseek,tune,-5767 source code, mainly used in car radio, general radio and other MP3 products. Which includes FM, AM, autoseek, tune, and so on
C_Ref
- RDA5830的源程序收音模块IC资料，带FM,AM,主要应用在车载和MP3上-RDA5830 of the source data radio module IC with FM, AM, mainly used in the car and MP3' s