双精度数是以类似的方式编码的，但是它使用52位的尾数和11位的指数来获得更高的精度。

Doubles are encoded in much the same way except that they use a 52-bit mantissa and an 11-bit exponent for higher precision.

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通过研究EBCOT编码原理和通道并行算法的编码过程，提出了双上下文窗口位并行的EBCOT系数位建模方法，详细说明了使用该算法的系数位建模系统的硬件结构。

After the detailed analysis of EBCOT algorithm and pass-parallel coding technique, a dual context window bit-parallel coding method and its architecture for hardware implementation are proposed.

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