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数据采用块浮点表示，提高了运算精度。
Using block-floating point arithmetic, the processor can provide a high quality.
采用块浮点算法以提高动态范围和运算精度。
Block floating-point arithmetic is used to enhance the dynamic range and computation accuracy.
给出了定点与块浮点两种算法时的均方误差上限。
The upper bound of mean square error is given for the two algorithms of fixed and block floating point.
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