为了应用于世界地图的编制，本文提出一集新的等面积伪圆柱投影。
This paper found the new Set of Equal-area Pseudocylindrical Projections, that can be used for the Compilation of World Map.
基于MATLAB7.0编程对图像进行分析，计算伪影的面积占原像面积的比重。
The images were analyzed based on MATLAB7.0 programming to calculate the area proportion of the artifacts.
为了消除这些旁瓣，并得到符合使用者要求的扩散声压响应曲线，本文提出一种实现伪随机序列扩散体群大面积最佳布置方案的布置方法。
This paper presents a method of layout plan of large area pseudorandom sequence diffusers to cut down the diffuse peaks and to meet user's demand.
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