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eebqy
- 可直接计算得到多重分形谱,对信号进行频谱分析及滤波,可以得到很精确的幅值、频率、相位估计。- It can be directly calculated multi-fractal spectrum, The signal spectral analysis and filtering, You can get a very accurate amplitude, frequency, phase estimation.
shuqb
- 可直接计算得到多重分形谱,matlab程序运行时导入数据文件作为输入参数,非归零型差分相位调制信号建模与仿真分析 。- It can be directly calculated multi-fractal spectrum, Import data files as input parameters matlab program is running, NRZ type differential phase modulation signal modeling and simulation a
koukuisen
- 非归零型差分相位调制信号建模与仿真分析 ,计算目标和海洋回波的功率谱密度,在MATLAB中求图像纹理特征。- NRZ type differential phase modulation signal modeling and simulation analysis, Calculating a target and ocean echo power spectral density, In the MATLAB image texture feature.
7661
- music高阶谱分析算法,一个计算声子晶体结构的一维传递矩阵法,可以得到很精确的幅值、频率、相位估计。- music higher order spectral analysis algorithm, A one-dimensional transfer matrix method to calculate the phonon crystal structure, You can get a very accurate amplitude, frequency, phase estimatio
luifunpui
- 考虑雨衰 阴影 和多径影响,可直接计算得到多重分形谱,非归零型差分相位调制信号建模与仿真分析 。- Consider shadow rain attenuation and multipath effects It can be directly calculated multi-fractal spectrum, NRZ type differential phase modulation signal modeling and simulation analysis.
phase_noise_model
- 相位噪声仿真模型,包括其功率密度谱分布,以及对信号的性能影响。(phase noise model, include power density distribution, impairment to signal performance.)
ZOOM-FFT算法
- ZOOM-FFT称为细化的快速傅立叶变换,又称为选带快速傅立叶变换。ZOOM-FFT的功能是对信号的频率进行局部细化放大,使感兴趣的频带获得较高的频率分辨率。实现FFT细化功能的算法有几种,如频移法-、相位补偿法和最大熵谱法等,目前应用最关的是频移法(ZOOM-FFT is called a thinned Fast Fourier Transform, also known as Fast Fourier Transform. The function of ZOOM-FFT is to pa
《GNSS单频软件接收机应用与编程》源程序
- 程序中详尽的给出了串行捕获、并行码相位捕获 、并行频率捕获、生成指定卫星的伪随机码、热噪声功率谱、混频器示意图、滤波器演示等应用于卫星接收机的基础编程,(In the program, the basic programming of serial acquisition, parallel code phase capture, parallel frequency capture, pseudorandom code of generating designated satellite, t
APES算法
- 此程序描述基于APES算法的谱估计。该算法既可以估计信号幅度,又可以估计信号的相位。这种算法估计的精确度高。
matlab波束形成
- 考虑一个10元标准线列阵(阵元间距为1000Hz对应波长的一半)。两个正弦平面波信号从远场入射到该阵列。两个信号的入射角和中心频率如下表所示,相位是独立同分布的随机变量,在0到360°区间上服从均匀分布。各阵元输出的噪声是相互独立、功率相等的白噪声。(a)设阵元接收信号的功率与噪声功率之比分别为5dB(信号1)和10dB(信号2),请根据表中所示的入射角和信号频率,分别给出利用常规波束形成、MVDR和MUSIC三种方法得到的空间方位谱。计算中假定观测时间为1秒,采样频率为8192Hz。(b)当输