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SSB调制。根据产生的余弦信号，画出相应频率载波下的调制后图形。-SSB modulation. According to the cosine signal generated graphics draw the corresponding frequency carrier modulated under.
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该 m 文件用于生成频移键控（FSK）调制信号。可供信号处理以及通信方面的人士使用。-The m file used to generate the frequency shift keying (FSK) modulation signal that can be used for signal processing and communication.
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单相逆变器仿真，控制及调制均采用S函数编写，完全实现离散化。控制算法及倍频单极性发波，并采用仿DSP规则采样法发波。-Simulation of single phase inverter, control and modulation are used S function written, realize discrete completely. The control algorithm and the frequency of unipolar hair wave, and the us
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设计一个采用 2ASK（OOK）调制的数字通信系统，给定载波频率为码元速率的2倍，产生二进制随机数据，并仿真其对应的 2ASK 调制波形，分析其频谱。所产生的调制波形加入不同信噪比的白噪声，再观察其波形和频谱变化。-Design of a use 2ASK (OOK) modulated digital communication system, a given carrier frequency is twice the symbol rate, to generate a random bi
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这是一个基于STM32F103ZET6的信号发生器的UI设计。本UI包括主菜单，主菜单包括三种波形的选择按键，频率，幅度调节子菜单，FM,AM调制设置子菜单。每个子菜单都有返回主菜单的选项。在任何一个界面中都有当前输出信号频率幅度显示。-This is a signal generator STM32F103ZET6 based UI design. The UI includes a main menu, the main menu includes three waveform select
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A Hybrid Orthogonal Frequency Division Multiplexing & Code-Division Multiple-Access (OFDM-CDMA)
This is a simulation program for uncoded OFDM-CDMA system with QPSK modulation
and Complex channel modelled by Rayleigh fading. The program is modifie
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This a model of a QPSK modulation system for transmission over a bandpass channel with fc = 100 Hz and B = 30 Hz and AWGN at the receiver. SRRC fi lters with excess bandwidth α = 0.18 are employed. The receiver includes an NDA timing recovery lo
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OFDM is a frequency-division multiplexing (FDM) scheme used as a digital multi-carrier modulation method. A large number of closely spaced orthogonal sub-carrier signals are used to carry data on several parallel data streams or channels.
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Simulink® and Stateflow® model of a full duplex Bluetooth communication link transmitting HV1, HV2, HV3, and SCORT [1] voice packets, and DM1 data packets. A system parameters block configures the whole model s packet type, slot pair and chan
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This paper investigates the feasibility of Orthogonal Frequency Division Multiplexing
(OFDM) as a modulation technique for a ROF.
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程序1：周期信号（方波）的展开
程序2：用图形表示DSB调制波形及其包络线
程序3：通过傅里叶变换找出被随机信号淹没的信号频率
程序4：DSB-AM 双边带幅度调制和解调
程序5：AM调制和解调-Procedure 1: periodic signal (square wave)
Program 2: graph DSB modulation waveform and its envelope
Application 3: through the Fourier tran
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full DSB-SC Modulation- Demodulation Process. The input arguments are given below:
• Input Signal Frequency: 10Hz
• Carrier Frequency: 15Hz
• Sampling Frequency: 100Hz
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GMSK信号调制和解调的仿真代码，包含一比特差分、2比特差分、鉴频等常用GMSK解调方案。-Modem matlab file for GMSK modulation and demodulation. The demodulation methods including one-bit differential and two-bit differentian decoding and frequency discrimination.
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OFDM is a frequency-division multiplexing (FDM) scheme used as a digital multi-carrier modulation method. A large number of closely spaced orthogonal sub-carrier signals are used to carry data on several parallel data streams or channels.
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OFDM is a frequency-division multiplexing (FDM) scheme used as a digital multi-carrier modulation method. A large number of closely spaced orthogonal sub-carrier signals are used to carry data on several parallel data streams or channels.
Orthogona
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AM调制和解调的整个过程，同时有频域和时域的波形-The whole process AM modulation and demodulation, while the frequency domain and the time domain waveform
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产生脉内Frank相位编码调制信号，并对其进行平方、四次方变换，利用四次方FFT结果为单频信号的特点完成调制识别，最后绘图观察其瞬时相位曲线。-Generating pulse code modulation signal within Frank polyphase, and its square, four square transformed by FFT results for the fourth power single-frequency signal modulation cha
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对DQPSK调制解调技术的FPGA实现进行了比较全面的研究，利用nQpSK调制技术实现了码速20oKbps的调制器。调制载频3.2MHz、带宽18oKHz、带外抑制大于45dB，调制器设计达到预定要求。解调器硬件完成，软件未全部实现，但完成了CIC滤波器、载波跟踪环、位定时同步、并串转换等几个关键模块的设计。对解调器做了实验测试，验证了相关模块设计的正确性，解调器中重要的载波同步功能己能实现-DQPSK modulation and demodulation techniques for FPG
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WIMAX_WZ_withencoding:信道估计，相位噪声补偿，频偏估计，编解码都有
WIMAX_WZ_withoutencoding：在上面的工程基础上，去掉编解码部分
WIMAX_WZ_withoutprocessing：在上面的工程基础上，再去掉相位噪声补偿，频偏估计
WIMAX_WZ_withoutprocessing2：在上面的工程基础上，改用新的前导和导频联合信道估计方案,参考文档《基于802_16d标准的OFDM信道估计技术的研究与实现.kdh》
因为白噪
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该程序仿真了基于三相逆变器的空间矢量PWM。可以在示波器上看到线电压，相电压和滤波电压。调制指数、DC电压和频率参数可以修改。-The program simulates the vector PWM space-based three-phase inverter. You can see the line voltage, phase voltage and filtering the voltage on an oscilloscope. Modulation index, DC volt
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