搜索资源列表
-
1下载：
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!
-
-
0下载：
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
-
-
0下载：
uwb的BPSK调制进行时域和频域的分析,并画出时域和频域图形-UWB BPSK modulation in time domain and frequency domain analysis and paint time domain and frequency domain graph
-
-
0下载：
产生15种模拟及数字调制信号函数。参数说明：type－调制信号种类,total_time－信号总时间长度,fc－载频,fs－抽样频率,symbol_rate－符号率-have 15 analog and digital modulation signal function. Parameter Descr iption : type-modulated signal types,'04-Signal total time length, fc-carrier frequency, fs-
-
-
0下载：
这是一段音乐文件处理程序，它找到了其频率范围，并对他进行了调制-This is a music file handling procedures, it found its frequency range, and he held a modulation
-
-
0下载：
这是一个时频分析中关于gabor变换的程序，此程序分离频率的效果不错。
Gabor变换：
式中a，b为常数，a代表栅格的时间长度，b代表栅格的频率长度
式中的 是一维信号x(t)的展开系数，h(t)是一母函数，展开
基函数是h(t)由作移位和调制生成的，
- This in a time frequency analysis about the gabor
transformation procedure, this procedure separation freq
-
-
2下载：
该文件夹为空间复用空时码的仿真程序，天线配置为2发2收。
主要程序的用途说明：
mainMIMO_OFDMA_2Tx.m: 主程序，设置各种参数
gendata_2Tx_SM.m: 生成原始信息数据的程序
mod_2Tx_SM_DFUSC.m：调制程序
gen_SUI_CorrCIR.m: 生成信道冲击响应的程序
get_perfectCE_2x2.m: 生成理想信道估计值的程序
chanSUI_corr_2x2.m: 发送信号通过SUI信道的程序
a
-
-
0下载：
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
-
-
0下载：
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
-
-
0下载：
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
-
-
1下载：
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)
-
-
1下载：
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.)
-
-
1下载：
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.)
-
-
1下载：
CW脉冲信号通过匹配滤波器，有频域分析过程(single impulse)
-
-
1下载：
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.)
-
-
1下载：
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
-
-
1下载：
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)
-
-
1下载：
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
-
-
1下载：
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
-
-
1下载：
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)
-
