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This submission includes the presentation and model files that were used in delivering a webinar on 12-15-05 that covered the topic of modeling Hybrid Electric Vehicles. Hybrid electric vehicles (HEVs) have proven they can substantially improve fuel economy and reduce emissions. Because HEVs combine an electric drive with the internal combustion engine (ICE) in the powertrain, the vehicle?s kinetic energy can be captured during braking and transformed into electrical energy in the battery. The dual power source also means that the ICE can be reduced in size and can operate at its most efficient speeds.

Matlab官方文档：Matlab编程技巧(Matlab official documents : Matlab programming skills)

雷达发射信号为线性调频信号的雷达计算算仿真，可以直接运行的matlab程序。 (Radar transmitting the radar signal is linear FM signal calculation and the simulation can run matlab program.)

hread read header of a RINEX 3.01 file and outputs position, the list of observation types and the list of observation .

Nonlinear Control Systems - Lecture 3 - September 1, 2005 Contraction Mapping Principle Consider a map T : X ! X that maps a normed linear space X back into itself. We say T is a contraction mapping if and only if for all x y 2 X there exists  where 0   < 1 and

基于DFT的瞬时测频算法，及插值算法，最后由图形表示测频结果。(Based on the Instantaneous Frequency Measurement DFT algorithm, and the interpolation algorithm, and finally by the graphical representation of frequency measurement results.)

软件无线电调制方式识别及解调算法仿真研究(Software radio modulation and demodulation algorithm simulation identified)

重要参数的提取，小波包分析提取振动信号中的特征频率，一种噪声辅助数据分析方法。( Extract important parameters, Wavelet packet analysis to extract vibration signal characteristic frequency, A noise auxiliary data analysis method.)

Digital Image Processing tool box

模糊PID控制的matlab仿真程序，直接利用M文件编写，方便快捷(Fuzzy PID control matlab simulation program, the direct use of M documentation, convenient)