对图象漂移室电场作了二维模拟测量和计算。
Calculation and simulation measurement have been done in two dimension fashion for the electric field of the pictorial drift chamber.
非线性扩散方程滤波是一种有效的图象增强算法，能在清除图象噪音的同时保存界面不发生漂移或模糊。
Nonlinear diffusion equation filtering is a powerful tool for enhancing image while preserving edges not drifting or blurred.
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