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实现重力反演，提供实例，建立模型正演，然后进行反演(Realize the gravity inversion, provide examples, modeling forward and inversion)

关于弹道目标实时跟踪，有详细的模型和算法策略.(Real-time tracking of ballistic target, have a detailed strategy model and algorithm.)

％ y=filter(sig,fmin,fmax) ％ 对信号进行理想滤波，可完成低通，带通 ％ sig为被滤波信号 ％ fmin为下限频率，当fmin为0时为低通滤波器，当fmin>0时，为带通滤波器 ％ fmax为上限频率，fmax>fmin ％ fs为信号的采样频率 ％ y为经过滤波后的信号 (％ Y = filter (sig, fmin, fmax)％ of the ideal signal filtering, to be completed by low-pass, band-pass filter％ sig for signal％ fmin is the minimum frequency, when fmin for 0:00 for the low-pass filter, when fmin > 0, for the bandpass filter％ fmax is the upper limit frequency, fmax> fmin％ fs for signal sampling frequency％ y for the filtered signal)

HI ,this is the code used for sensing object through image processing approach and taking decision to turn motor

地球和月球二轨道动力学建模和仿真，完整的参数输入仿真结果(moon and the Earth s orbital dynamics modeling )

用prim算法，构造最小生成树，用在数学建模的图论模型中(to use prim to produce the tree)

The matlab based code for energy detection of a receiver

AAM fitting algorithm

SPAN系统的姿态检测方法SPAN system based on gesture detection method(SPAN system based on gesture detection method)

求解双heilder雷电流的微分，该电流为雷电电磁模式常用的继后回击电流，对于模式研究具有重要意义(Solving the differential double heilder lightning current, the current model used for the electromagnetic lightning subsequent return stroke current study has important significance for the mode)