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在环境MaxplusII下仿真FSK调制 高电平是输出频率是低电平输出频率的2倍 -MaxplusII FSK modulation Under simulated environmental
High output frequency is 2 times of low output frequency
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16apsk Modulation (Carrier center frequency,Carrier cycle,
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ＷＣＤＭＡ ＦＤＤ 物理层ｍａｔｌａｂ仿真-The WCDMA Physical Layer Demo consists of an end-to-end (transmitter-to-receiver) simulation of the Frequency Division Duplex (FDD) Downlink physical layer for several Dedicated Channels (DCH) as specified by the 3GPP standard (
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蓝牙协议语音通信ｍａｔｌａｂ仿真程序，包含语音传输， I/O, CVSD speech coding, HEC, FEC, framing, GFSK Modulation, frequency hopping, 和802.11b interferer.-Simulink model of a Bluetooth communication link transmitting HV1, HV2 or HV3 voice packets. Includes wave file I/O, CVSD
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As a multi-carrier modulation scheme, Orthogonal Frequency Division Multiplexing (OFDM)
technique can achieve high data rate in frequency-selective fading channels by splitting a
broadband signal into a number of narrowband signals over a number
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设计一个正弦信号发生器，使用凌阳公司的16位单片机SPCE061A作为中央控制器，结合DDS芯片AD9850，产生0～15MHz频率可调的正弦信号,正弦信号频率设定值可断电保存；使用宽频放大技术，在50Ω负载电阻上使1K～10MHz范围内的正弦信号输出电压幅度VP-P=6V±1V；产生载波频率可设定的FM和AM信号；调制信号为1KHz的正弦波，调制信号的产生采用DDS技术，由CPLD和Flash ROM加上DAC进行直接数字合成；二进制基带序列码由CPLD产生，在100KHz固定载波频率下进行数
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对OFDM（正交频分复用）的调制和解调过程的仿真-On OFDM (Orthogonal Frequency Division Multiplexing) modulation and demodulation process simulation
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matlab源码编写的QPSK调制与解调程序，含载波及采样频率-matlab source code written in QPSK modulation and demodulation process, including the carrier and sampling frequency
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Delta_Sigma调制 锁相频率合成器的设计与实现-Delta_Sigma modulation PLL Frequency Synthesizer Design and Implementation
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Mean square error calculation in Orthogonal frequency division multiplexing system using Quadrature Amplitude modulation.-Mean square error calculation in Orthogonal frequency division multiplexing system using Quadrature Amplitude modulation.
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Multiple input multiple output orthogonal frequency division system using space time block codes with 8PSK modulation.
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This scr ipt simulates Amplitude Modulation. I have simulated Double Side Band with Large as well as supressed Carriers.
The Output shows the two modulations in both frequency and time domains.
Hope this will help out people.
Good Luck.
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本程序主要是对CSRZ-8DPSK进行调制，并仿真出时域图、相位图、相位差图以及频谱图。-The program mainly for CSRZ-8DPSK modulation and time domain simulation diagram, phase diagram, phase diagram and the frequency spectrum.
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提取调制信号2ASK的瞬时幅度、瞬时相位、瞬时频率-2ASK modulation signal extracted instantaneous amplitude, instantaneous phase, instantaneous frequency
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CC1100是一种低成本真正单片的UHF收发
器，为低功耗无线应用而设计。电路主要设
定为在315、433、868和915MHz的ISM（工
业，科学和医学）和SRD（短距离设备）频
率波段，也可以容易地设置为 300-348
MHz、400-464 MHz和800-928 MHz的其他
频率。
RF 收发器集成了一个高度可配置的调制解
调器。这个调制解调器支持不同的调制格
式，其数据传输率可达 500kbps。通过开启
集成在调制解调器上的前
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this .rar file is dedecated to the beginers in the communications and digital signal processing fileds :
1. simple amplitude modulation
2. Disictete Fourier Transform
3. plotting the digital symbols
4. Digital Data Representation
5. Digital
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A multiple-input multiple-output (MIMO) communication system combined with the orthogonal frequency division multiplexing (OFDM) modulation technique can achieve reliable
high data rate transmission over broadband wireless channels. Channel state i
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51单片机开发的NRF24l01
产品性能：
1） 2.4GHZ全球开放ISM频段免许可使用
2） 最高工作速率1Mbps,GFSK高效调制
3） 125个频道满足多点通讯和跳频通讯需求
4） 1.9-3.6V工作，低功耗，待机模式仅1uA.
5） 双通道数据接收，内置环行天线，体积仅17*34mm,通信距离在100m之内，软件编简单。
7） 内置硬件8/16位CRC校验，收发中断标志，每次可发28字节
备注：1。免费提供开发源代码
2。提供全面技术支持和即
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附件中包括：
1.叉积自动频率控制（CPAFC）matlab源代码cpafc.m
2.相应的am调制的测试信号am.dat ，载波500Hz，采样8000，调制信号50Hz,32 位float-Accessories include: 1. Cross product auto frequency control (CPAFC) matlab source code cpafc.m 2 . corresponding test signal modulation am am.dat,
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computing the SNR loss due to frequency offset in OFDM modulation
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