以下为句子列表：
英文: Data correlation coefficients were calculated and switch regions were analyzed by using two dimension discrete cosine transform (DCT) in ray-space data compression.
中文: 在光线空间的数据压缩中，计算了数据的相关系数，采用二维离散余弦变换(DCT)进行了变换域分析。
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英文: Formulas of inversion and cosine transform spectrum of gravity anomaly of sphere, infinite horizontal cylinder, infinite and finite stretched staircase were deduced.
中文: 推导出球体、无限长水平圆柱体、无限和有限延伸垂直台阶的重力异常余弦变换谱及反演表达式。
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英文: Based on the generalized sine and cosine functions in the triangular domain, the discrete generalized sine and cosine transform are defined.
中文: 在三角区域的广义正弦函数和广义余弦函数基础上，定义了三角区域的离散广义正弦变换和离散广义余弦变换。
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英文: Design of a 8× 8 VLSI Discrete Cosine Transform Chip
中文: 8×8VLSI离散余弦变换芯片的设计
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英文: Fast Implementation of 8×8 Image Discrete Cosine Transform with TMS 0C
中文: 用TMS 0C实现图像的(8×8)离散余弦变换
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