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经PPM调制的超宽带信号经高斯白噪声信道的系统仿真,给出了时域和频域图-After the PPM modulation ultra-wide band signal after the Gauss white noise channel system simulation,and give the time domain and the frequency range chart!
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对uwb的ppm调制的时域和频域进行分析,画出它的图形-ppm of UWB modulation of the time domain and frequency domain analysis, to give its graphics
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在ISE下，FPGA产生线性调频信号，并且产生信号的参数可调(In ISE, the FPGA generates a linear frequency modulation signal, and the parameters of the signal are adjustable.)
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非线性调频信号的产生和脉冲压缩代码，程序中还给出两种不同的脉压系数，用于分析非线性调频信号处理时，脉压结果的应用。(The generation of nonlinear frequency modulation signals and the code of pulse compression are given. In the program, two different pulse pressure coefficients are given. It is used to analyze
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实现线性调频信号，实现对线性调频信号的建模(linear frequency modulation)
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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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An important feature of FM and PM is that they can provide much better protection to the message against the channel noise as compared to the linear (amplitude) modulation schemes. Also, because of their constant amplitude nature, they can withstand
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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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通过伪随机序列进行频率调制，并对相位连续性进行优化。调制信号的自相关函数可以通过谱修正进行旁瓣抑制(Frequency modulation is performed by pseudo-random sequence and phase continuity is optimized. The autocorrelation function of modulation signals can be sidelobe suppressed by spectral correction)
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匹配滤波，对线性调频信号进行匹配滤波处理，可以得到目标的特征信息(The matching filter is used to match the linear frequency modulation signal to obtain the characteristic information of the target.)
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火储调频模型，适用于调峰调频模型建立，包括收益和指标计算(The fire storage frequency modulation model is applicable to the establishment of peak shaving and frequency modulation models, including calculation of income and index.)
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CW脉冲信号通过匹配滤波器，有频域分析过程(single impulse)
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接收线性调频信号，进行匹配滤波，实现时域卷积和频域卷积并计算两者的误差。(Linear frequency modulation signal is received and matched filtering is carried out to realize time domain convolution and frequency domain convolution and calculate their errors.)
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去斜处理（宽带的匹配滤波）Stretch方法是针对线性调频信号而提出的， 其方法是将输入信号与参考信号 （经适当延迟的本振信号， 延迟量通常由窄带信号测距结果估计出） 混频 ，则每一个散射点就对应一个混频后的单频分量，对混频输出的信号进行 DFT 处理 ，即可获得目标的距离像，对参考信号的要求是应具有与输入信号相同的调频斜率。(dechirp matched filter
Stretch method is proposed for linear frequency modulation si
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2FSK 调制 解调 系统 是基带信号调制方式的一种 数字频率调制又称频移键控（FSK——Frequency Shift Keying），二进制频移键控记作2FSK.数字频移键控是用载波的频率来传送数字消息，即用所传送的数字消息控制载波的频率。本文是通过2PSK调制后的信号进行分析通过matlab实现(2FSK modulation and demodulation system is a digital frequency modulation, also known as
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matlab实现幅度调制解调、频率调制与判决解调(Realization of amplitude modulation and demodulation, frequency modulation and decision demodulation by MATLAB)
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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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雷达信号去斜处理方法：去斜处理(宽带的匹配滤波)Stretch方法是针对线性调频信号而提出的, 其方法是将输入信号与参考信号 (经适当延迟的本振信号, 延迟量通常由窄带信号测距结果估计出) 混频(Radar signal de-obliquation processing method: The Stretch method of deskew processing (wideband matched filter) is proposed for linear frequency modula
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线性调频时域、频域波形，匹配滤波、波束形成、模糊函数等一系列基础代码(Linear frequency modulation time domain, frequency domain waveform, matching filter, beamforming, fuzzy function and a series of basic codes)
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雷达系统逆合成孔径雷达，脉冲压缩方法之解线频调(Inverse synthetic aperture radar, pulse compression, line frequency modulation)
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