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通过线性调频信号，实现距离压缩，提高距离分辨率(Through linear frequency modulation signal, distance compression is realized and distance resolution is improved)
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逆变器的调制方法有多种，如单极性调制，双极性调制，单极倍频调制等，此处是单极性调制，并给出单极性调制发生器(There are many modulation methods for inverters, such as unipolar modulation, bipolar modulation, unipolar frequency modulation, etc. This is unipolar modulation, and a unipolar modulation generat
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MFSK实现多进制调频与解调，相干解调与非相干解调，眼图(MFSK realization of M-ary frequency modulation and demodulation, coherent demodulation and non coherent demodulation, eye diagram)
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线性调频的实现，非常简单的实现程序，一看不贬值(Implementation of linear frequency modulation)
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实现V调频信号ISAR成像一维距离像和二维图像，同时可改变注释中代码调整仿真成像的对象以及成像过程中信噪比等问题。(V frequency modulation signal, ISAR imaging, one-dimensional range image and two-dimensional image can be changed, while the code in annotation can be adjusted, the object of simulation imagin
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用于根据线性调频，相位编码等信号的时域波形计算相应的瞬时频率和自相关函数(The corresponding instantaneous frequency and autocorrelation function are calculated according to the time domain waveform of linear frequency modulation, phase encoding and other signals)
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these programs are related to modulation techniques like amplitude modulation, frequency modulation and DSBSC,SSBSC, sampling theorem
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A key consequence of the usual double-sideband amplitude modulation (AM) is that the range of frequencies the signal spans (its spectral bandwidth) is doubled. Thus, the RF bandwidth of a signal (measured from the lowest frequency as opposed to 0 Hz)
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Frequency Modulation and Demodulation by matlab
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matlab仿真线性调频连续信号在雷达中的传播(The matlab simulation of linear frequency modulation continuous signal transmission in radar.)
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仿真线性调频连续波雷达的信号处理，设线性调频带宽为22MHz，时宽为200us ，雷达载频为10GHz，输入噪声为高斯白噪声。目标模拟分单目标和双目标两种情况。(Simulation of linear frequency modulation continuous wave radar signal processing, linear frequency modulation of 22 MHZ bandwidth, wide for 200 us, radar carrier freque
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线性调频连续波说明很有借鉴意义 需要的拿走(lfmcw Linear frequency modulation continuous wave is very useful for reference and needs to be taken away)
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对频率调制信号实现希尔伯特解调和广义检波滤波解调，得到调制频率成分(Hilbert demodulation of the frequency modulation signal and demodulation of the generalized detection filter to obtain the modulation frequency components)
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使用FM(PM)调制对基带信号进行调制，并完成解调。(Use frequency modulation(or phase modulation) to accomplish the modulation and demodulation of the baseband signal.)
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针对三种不同脉冲编码信号的模糊函数进行了设计。矩形脉冲信号，线性调频信号，相位编码信号。(The fuzzy function is designed for three different pulse coding signals.Rectangular pulse signal, linear frequency modulation signal, phase coded signal.)
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线调频小波路径算法的计算程序，实现信号瞬时频率追踪(The calculation program of the linear frequency modulation wavelet path algorithm to realize the tracking of the instantaneous frequency of the signal)
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模拟两目标的回波，线性调频子脉冲频率步进雷达信号。(The echo of the two target is simulated, and the frequency of the linear frequency modulation subpulse is stepped into the radar signal.)
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该文件是dds工程，用的是单片机和FPGA开发板组合实现对存储在FPGA中rom里面的波形数据的，调频率（调频范围是1-1MHz），波形在示波器上显示，单片机实现控制字的发送及控制频率，FPGA实现控制字的接收和存储波形数据,输出波形(The file is a DDS project. It is a combination of single chip microcomputer and FPGA development board to realize the amplitude mod
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8PSK 是一种相位调制算法。相位调制（调相）是频率调制（调频）的一种演变，载波的相位被调整用于把数字信息的比特编码到每一词相位改变（相移）。(8PSK is a phase modulation algorithm. Phase modulation (phase modulation) is an evolution of frequency modulation (frequency modulation), and the phase of the carrier is adjusted
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雷达动目标回波仿真，进一步考虑LFM调频脉冲串，仿真一个运动目标的回波，以及通过脉冲压缩和FFT速度估计的过程。(Radar moving target echo simulation, further considering LFM frequency modulation pulse train, simulation of a moving target echo, as well as through pulse compression and FFT speed estimation
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