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雷达通信一体化系统，针对非波动目标以及波动目标的雷达探测性能分析。-he dual-frequency MPPSK-MODEM platform is a flexible one. When ranging accuracy request is low or platform is particularly affected by power limitations, the platform would perform both data transmission and range me
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Matlab 模拟声波传数，包括基带调制、数字上变频、数字下变频、滤波、译码等-Matlab to simulate the sound wave number, including baseband modulation, digital frequency conversion, digital frequency conversion, filtering, decoding, etc
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Intermodulation or intermodulation distortion (IMD) is the amplitude modulation of signals containing two or more different frequencies in a system with nonlinearities. The intermodulation between each frequency component will form additional signals
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FPGA有价值的27个例子，其中包括LED控制，频率计，电子琴等基于状态机的经典例子，简单的编码调制等等。源代码以文档形式给出。-Examples of valuable FPGA 27 includes an LED control, frequency, keyboard, etc. The classic example of a state machine based on the simple coding and modulation and so on.
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在该程序中，我们假设有200个电压矢量Uout 平均分布在电角度为2π的范围内，通过改变SVPWM的调制周期T可以改变输出的3相正弦波的频率。-In this procedure, we assume Uout voltage vector 200 are evenly distributed within a range of an electrical angle of 2π, by changing the modulation period T SVPWM may change the
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AM RECEIVER based on super heterodyne principle virtually used in all modern radio and television receivers. The approach mainly involves the use of heterodyning or frequency mixing. The signal from the antenna is filtered sufficiently at least to re
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Frequency Shift Key Modulation matlab code
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全桥逆变器双极性SPWM波调制，开关频率10.2kHz开环程序，调试准确无误-Full-bridge inverter bipolar SPWM wave modulation, the switching frequency 10.2kHz open-loop program, debug accurate
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Generation of ASK:
Amplitude shift keying - ASK - in the context of digital communication is a modulation process which imparts to a sinusoid two or more discrete amplitude levels 1. These are related to the number of levels adopted by the digit
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在MIMO2*2的无线信道环境下，运用OFDM(Orthogonal Frequency Division Multiplexing)即正交频分复用技术，发送信号，经过奇异值分解预编码，调制，在接收端解调，均衡，最终等到估计信号，并计算了整个系统的误码率；-In the wireless channel environment MIMO2* 2, the use of OFDM (Orthogonal Frequency Division Multiplexing) that is an ort
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单频估计kay算法的仿真源程序，系统为QPSK调制，信道为高斯白噪声信道。-Single frequency estimate kay algorithm simulation source code, the system is QPSK modulation, the channel is Gaussian white noise channel.
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Simulink am modulation,Frequency,PSK,ASK,FSK
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移动通信系统中正交频分复用OFDM的matlab仿真，包括调制和解调等-Mobile communication system in orthogonal frequency division multiplexing OFDM matlab simulation, including the modulation and demodulation, etc
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Synchronization in OFDM
With its robustness against multipath fading, orthogonal
frequency division multiplexing (OFDM) has become
the modulation of choice for many modern wireless standards.
However, OFDM is very sensitive to offsets in f
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Simulation and performance analysis of OFDM with different modulation techniques
A special case of multicarrier transmission is Orthogonal Frequency Division Multiplexing (OFDM).In which single data stream is transmitted over a number of lower rate
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Matlab file for simulating a cyclic-prefix (CP) orthogonal-frequency-division-multiplexing (OFDM) system with binary phase-shift keying (BPSK) modulation on each subcarrier. CP-OFDM system includes a repetition code and interleaving across subcarrie
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信号分析与识别仿真，采用GUI界面，包括数字和模拟信号的调制、解调及分析，可估计信号的频率、带宽等参数-Signal analysis and recognition simulation, USES the GUI interface, including digital and analog signal modulation and demodulation and analysis, can be estimated parameters such as frequency, bandw
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4元FSK调制输出功率谱，基带码元传输间隔0.1s，FSK调制参数的频率间隔分别设置为5HZ和20Hz，-4 yuan FSK modulated output power spectrum, the baseband symbol transmission interval of 0.1s, the frequency interval FSK modulation parameters are set to 5HZ and 20Hz,
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仿真4-PAM载波调制信号在AWGN信道下的误码率和误比特率性能，并与理论值相比较。假设符号周期为1s，载波频率为10Hz，每个符号周期内采样100个点。
-Simulation 4-PAM modulation signal in AWGN channel bit error rate and bit error rate performance, and compared with the theoretical value. Assuming symbol period for 1s
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首先，介绍了交流调速及其相关技术的发展现状和发展趋势，以及交流调速系统的主要控制策略。选用工业变频器用异步电机作为研究对象，利用坐标变换理论，分析了异步电机在三相静止坐标系、两相静止与旋转坐标下的电机基本数学模型及其矢量控制原理。利用转子磁场定向的矢量控制技术，实现了异步电机定子电流的转矩分量和励磁分量的解耦。分析了空间矢量脉宽调制算法以及实现方法，最后设计了异步电机的双闭环矢量控制系统。
然后，利用Matlab/Simulink搭建了异步电机数学模型，建立了基于电压空间矢量脉宽调制的异步电
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