所实现的编译码器能对BCH(23,12)码进行正确地编码和译码，能纠正小于或等于3位的随机错误。
The encoder can correctly encode and decode the BCH (23, 12) code which can correct less than or equal to 3 bit error.
译码单元由指令缓存器和指令译码器构成，针对12位的指令代码翻译成16位控制信号，传送给处理器内部各个部件，用以保证各部件正常工作。
The encoding unit, composed of instruction buffer and command encoder, translates the 12-bit command code to 16-bit control signal, and ensures each part of the system to work steadily.
详细叙述了高位数字译码器13位DAC的工作原理，并对可变增益放大器作了理论分析。
The principle of the most significant bits digital decoder-13 bits DAC is described in detail, and the gain controlled amplifier is theoretically analysed.
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