U. s. Pat. No. 6,894,627 proposes a solution where the successive approximation converter is provided with a second sub-array of binary weighted bits.

美国专利6,894,627提出了一种解决方案，其中，向逐次近似转换器提供二进制加权位的第二子阵列。

youdao

Successive approximation, Newton-Raphson was one nice example, but there's a whole class of things that get closer and closer, reducing your errors as you go along.

逐渐逼近,牛顿迭代是一个很好的例子,随着你不断的时行下去,你会不断的离结果越来越近，逐渐地减少误差。

麻省理工公开课 - 计算机科学及编程导论课程节选