提出一种解决人工势场法目标不可达问题的方法。
A method to solve the problem of goal nonreachable with obstacle nearby (GNRON) is proposed.
在建立前视声呐视域模型和人工势场模型的基础上，对AUV进行决策控制，通过梯度逼近法对目标进行搜索，快速规划出一条无碰撞的路径。
On the basis of building forward looking sonar view model and artificial potential model, decision control of AUV is made, objects are searched through grads approach, a collision free path is planed.
研究复杂组合体目标后向散射场问题，并对射线跟踪法的典型算法进行改进，以提高计算精度和运算速度。
The radar cross section (RCS) of complex combination objects is studied and the typical algorithm of shooting and bouncing ray (SBR) is improved to enhance the speed and accuracy of computation.
在一般势场法的基础上，针对动态环境中，目标和障碍物都是运动的条件下，提出了一种改进的势场法。
Based on a traditional potential field method, a modified potential field method was presented adapting to dynamic environment with moving target and moving obstacles.
建立了空间目标的热平衡方程，利用节点网络法求解其表面温度场分布；
The heat balance equation of space target is given and the temperature distribution of space target is got by node network.
研究复杂组合体目标后向散射场问题，并对射线跟踪法的典型算法进行改进，以提高计算精度和运算速度。
Methods the method of shooting and bouncing rays was used to calculate the RCS and stokes theorem was used to improve the arithmetic.
分析了传统人工势场法中的固有缺陷：目标不可达；在障碍物附近或通过狭小通道时的抖动问题。
The limitations of classical artificial potential field are GNRON and the chattering phenomenon when mobile robot moves near the obstacle or pass through the narrow space.
采用本方法分析了柱体目标二维瞬时散射场，并与传统FDTD法作了比较。
The 2-d transient scattering by cylindrical targets is considered using this method, and compared with the conventional FDTD method.
采用本方法分析了柱体目标二维瞬时散射场，并与传统FDTD法作了比较。
The 2-d transient scattering by cylindrical targets is considered using this method, and compared with the conventional FDTD method.
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