改进了墨卡托变换与逆变换算法。
We improved arithmetics of Mercator mapping transform and inverse transform.
主要介绍了雷达模拟器的结构与功能，并阐述利用数学方法产生的伪随机分布函数，主要生成方法有混合同余法、逆变换法、函数变换法和拒绝-接收法，并进行举例说明。
The main generation methods consist of mixed congruence method, inverse transform method, function transform method and refuse-accept method, which are illustrated by means of giving several examples.
利用小波变换理论首先将谐波图像与基波图像进行分解，然后利用基于窗口的融合规则进行融合，最后利用小波逆变换重建图像。
The harmonic image and fundamental image are decomposed into sub-images with wavelet transform. Fusion is completed with rules based on Windows. Then fusion image is reconstructed.
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