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wave_idl

于 2015-02-09 发布文件大小:23KB

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用于同时观察信号在时域和频域中的变化以及信号中的不同频率成分随时间的变化(For the simultaneous observation of different frequency components in the time domain and the signal spectrum of the signal changes over time)

文件列表：

wave_idl
........\mauna.txt,3419,2007-06-29
........\monsoon.txt,3680,2007-06-29
........\nino3sst.txt,3210,2007-06-29
........\soi.txt,2600,2007-06-29
........\sst_nino3.dat,3024,2007-06-29
........\sunspot.txt,7161,2007-06-29
........\wavelet.pro,12531,2007-06-29
........\wavetest.pro,5975,2007-06-29
........\wave_coherency.pro,6909,2007-11-11
........\wave_signif.pro,8984,2007-06-29

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lsm
数字信号处理传统的宽带信号中抑制正弦干扰的方法是采用陷波器(notch filter),为此我们需要精确知道干扰正弦的频率.然而当干扰正弦频率是缓慢变化时,且选频率特性要求十分尖锐时,则最好采用自适应噪声抵消的方法.下图是用一个二阶FIR的LMS自适应滤波器消除正弦干扰的一个方案。(DSP)

2010-10-18 23:34:51下载

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paper
the paper describes the existing techniques of face detection.

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cos--sin
t - time series y - value of series at time t w - cycle length, defined by user based on prior knowledge of time series alpha - type I error used for cofidence interval calculations. Usually set to be 0.05 which corresponds with 95 cofidence intervals(t- time series y- value of series at time t w- cycle length, defined by user based on prior knowledge of time series alpha- type I error used for cofidence interval calculations. Usually set to be 0.05 which corresponds with 95 cofidence intervals)

2015-01-24 15:27:48下载

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func_rayforward
射线追踪正演程序，给定发射接收点位置和介质衰减系数。(Ray tracing forward procedure, given transmitter and receiver positions and medium attenuation coefficient.)

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Image Recognition and classification

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hundunshijianyuce
混沌时间序列的Volterra级数多步预测研究，混沌理论认为在混沌系统中，初始条件的十分微小的变化经过不断放大，对其未来状态会造成极其巨大的差别。 (Volterra series of chaotic time series multi-step prediction, chaos theory is that in the chaotic system, the initial conditions of very small changes through continuous zoom, its future status will cause a very huge difference.)

2013-08-27 21:50:38下载

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calssification algorithm

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决策树,包括决策树的节点选择、决策控制及决策树的画法(decision tree)

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kalmanyuce
采用卡尔曼滤波的方式对时间进行预测，有较好预测精度(Kalman filter is used to predict the way time high prediction accuracy)

2015-09-17 17:01:06下载

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tao
小生境遗传算法用于优化问题，得到了比遗传算法更好的效果(Niche genetic algorithm for optimization problems, get better results than the genetic algorithm)

2010-07-12 09:57:09下载

积分：1

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wave_idl

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