decimation是什么意思？

decimation

英[ˌdesɪ'meɪʃn] 美[ˌdɛsəˈmeʃən]

• n. 多数人的杀害，大量毁灭；

动词：decimate;

例句

• Design multi - stage decimation system on the basis of Halfband filters and CIC filters. 在半波带滤波器和CIC滤波器的基础上设计了 多级 抽取系统.
• Then by changing the decimation ratio of the SINC filter, frequency selecting is realized. 在某一固定输出频率下设计一组带通滤波器, 然后通过改变SINC滤波器 信号抽取比率实现数字选频.
• For the Digital Decimation Filter of DC, a cascaded structure is proposed. 对于ADC中 的数字滤波器部分, 本论文提出了降采样的一种多级级联实现结构.

柯林斯高阶英汉双解学习词典释义

• VERB
  大批杀死;大量毁灭
  To decimate something such as a group of people or animals means to destroy a very large number of them.
  例句
  The pollution could decimate the river's thriving population of kingfishers... 污染可能会造成河边大量繁殖的翠鸟大批死亡。 British forces in the Caribbean were being decimated by disease. 加勒比海地区的英国部队有大批的人病死。
• VERB
  严重削弱，大幅缩减(系统或机构)
  To decimate a system or organization means to reduce its size and effectiveness greatly.
  例句
  ...a recession which decimated the nation's manufacturing industry. 使该国制造业元气大伤的经济衰退

英英词典释义

• Noun
  1. destroying or killing a large part of the population (literally every tenth person as chosen by lot)

行业词典

• 计算机： 十中抽一，抽选；