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C_Source
- 内容包括: 打开一个文件用于读或写,分析文件名,使用快速排序例程进行排序,向正在执行的程序发送一个信号,改变数据段空间位置,非局部转移,以指定频率打开PC扬声器 ,正切函数,转换一个无符号长整型数为字符串,送格式化输出到一流中 ,返回窗口内水平光标位置等 -include : open a file for reading or writing, analysis, and the use of rapid sorting routines for sorting, being impl
Pronynalysis
- Prony分析是获取系统振荡模式特征的一种非常有效的方法,它可以通过给定输入信号下的响应直接估计系统的振荡频率、衰减、幅值和初相位。本文基于Prony算法提出一种用振荡模式能量级鉴别电力系统大干扰下主导低频振荡模式的方法。-Prony analysis acquisition system oscillation mode features a very effective way, It can set the input signal to the estimated direct resp
pinlvtiaozhi
- 在matlab中构成不同频率的调制信号,这些函数都是以fm开头,产生常数、双曲线、线性、抛物线等频率调制信号.-in Matlab, constitute a different frequency modulation signal, these functions are beginning to fm, have a constant, hyperbolic, linear, parabolic and other frequency-modulated signal.
sgrpdlay
- 时频工具箱中计算群延迟的函数,语法格式:[gd,fnorm]=sgrpdlay(x),x是时域信号,fnorm返回频率坐标,gd返回估计出群延迟的输出向量.-frequency toolbox when calculating group delay functions, grammar format : [gd. fnorm] = sgrpdlay (x), x is the time domain signal to the frequency fnorm coordinates, gd t
CP0101
- 估算带宽:计算输入信号的单边功率谱密度(ESD);计算相对于特定值的ESD的最高和最低频率。-Estimation of bandwidth: Calculate the input signal
pudn3
- 一般来说,瞬时频率和群延迟在时频平面内定义了两条不同的曲线,但是在时宽(T)和频宽(B)的乘积值逐渐变大时,这两条曲线会慢慢逼近。为了说明这一点,下面计算了信号的瞬时频率和群延迟,T*B值小。- In general, the instantaneous frequency and group delay in the time-frequency plane defines two different curves, but when the width [T] and bandwidth
random-binary
- 数字调制器的墓本构建模块是函数random-binary,它产生电平值为+1或一1的二进制波形,产生的比特数以及每比 特的采样数是该函数的参数。函数random-binary可以仿真多个数字调制器,例如,可用如下MATLAB语句仿真一个QPSK调制器: 下列MATLAB程序产生一个长10比特的QPSK信号,采样频率为每比特8个采样点: -Digital modulator building blocks of the tomb is a function of the random
tiqu
- 提取信号七个基于瞬时信息的特征:零中心归一化瞬时幅度功率谱密度的最大值,零中心归一化瞬时幅度绝对值的标准偏差,零中心非弱信号段瞬时相位非线性分量绝对值标准偏差,零中心非弱信号段瞬时相位非线性分量标准偏差,零中心归一化的非弱信号段瞬时频率绝对值的标准偏差,一个信号段的归一化瞬时频率功率谱密度的最大值,根据信号 QPSK 和16QAM在 XI 轴投影的不同表现,提出特征参数。-Extraction based on instantaneous information signal of seven
stft
- 时频分析,一个频率为100的正弦信号做WVD时频分析,做出图后有两个频率(100Hz和400Hz)-Time-frequency analysis, a sinusoidal signal with a frequency of 100 do WVD time-frequency analysis, make a diagram after the two frequencies (100Hz and 400Hz)
beamform
- 波束形成,一均匀排列的5元线阵,阵元间距15cm。设入射信号为单凭正弦波,幅度为Acos(wt)。声速设为c=1500m/s.在入射信号频率f为4k、5k、6k时,求以下三种加权系数下的波束图。 1)均匀加权时的波束图,入射信号范围-90°~90°,幅度归一化处理,下图。 2)阵元加权系数为[1,2,4,2,1] 3) 阵元加权系数为[4,2,1,2,4] -Beamforming, an arrangement of five yuan uniform linear arr
zhengxianbo_demo
- 在quartus上制作一个稳定的正弦波信号并用显示屏显示出来,可显示频率-In quartus produced on a stable sine wave signal and use screen displayed, you can display the frequency
AM
- 基带信号位一个150-400HZ内,幅度随频率逐渐递减的音频信号。-In a baseband signal 150-400HZ, gradually decreasing the amplitude versus frequency of the audio signal.
Montecarlo_SNR
- 用牛顿迭代法估计正弦信号的幅度,相位,频率,选用多次montecalor算法估计参数均值,并与理论上参数估计的CRLB下限进行比较。-Newton iterative method estimates the sinusoidal signal amplitude, phase, frequency, use multiple montecalor algorithm to estimate the parameters mean, and with the theoretical limit
frequency-estimation-algorithm
- 循环累积量估计频偏,能准确估计出信号的频率偏移,是一种全盲算法-a method for estimating frequency offset
fxcak
- esprit算法对有干扰的信号频率进行估计,Pisarenko谐波分解算法,计算十字叉丝的在不同距离的衍射图像。- esprit algorithm signal frequency interference can be assessed Pisarenko harmonic decomposition algorithm, Calculation crosshairs diffraction image at different distances.
dv248
- 包括广义互相关函数GCC时延估计,esprit算法对有干扰的信号频率进行估计,ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块。- Including the generalized cross-correlation function GCC time delay estimation, esprit algorithm signal frequency interference can be assessed ofdm system simulation including 1
3243
- 包含光伏电池模块、MPPT模块、BOOST模块、逆变模块,esprit算法对有干扰的信号频率进行估计,使用混沌与分形分析的例程。- PV modules contain, MPPT module, BOOST module, inverter module,
guiningsao
- 实现典型相关分析,esprit算法对有干扰的信号频率进行估计,非归零型差分相位调制信号建模与仿真分析 。- Achieve canonical correlation analysis, esprit algorithm signal frequency interference can be assessed NRZ type differential phase modulation signal modeling and simulation analysis.
vevxj
- esprit算法对有干扰的信号频率进行估计,窗函数法设计一个数字带通FIR滤波器,有均匀线阵的CRB曲线。- esprit algorithm signal frequency interference can be assessed A window function design FIR digital band-pass filter, There ULA CRB curve.
jaiten_v76
- 多姿态,多角度,有不同光照,含噪脉冲信号进行相关检测,esprit算法对有干扰的信号频率进行估计。- Much posture, multi-angle, have different light, Noisy pulse correlation detection signal, esprit algorithm signal frequency interference can be assesse.