It changes the sampling waves into absolute values and set half period as data window length.
该方法是将采样波形取绝对值，定义数据窗长度为半个周期。
Since the second half period of the 20th century, the approach of the consumerism ear has inevitably changed the aesthetics context and discourse.
20世纪下半页以来，消费时代的来临使得美学学科的生存语境及话语方式发生了巨大的变化。
Non coherent demodulation for 2PSK detects relation of carrier wave phase of the interval symbol by the (half period of carrier wave) delay and the adder, then the data is demodulated.
PSK非相干解调法将经延时半个载波周期的接收信号与原接收信号相加，检测出两相邻码元载波相位变化情况，从而解调出数字信息。
I also request the people of the United States to display the flag at half-staff from their homes for the customary forenoon period.
我也要求美国人民在自己的住所依上午传统降半旗。
In early period, there were no half-measures: usage was either right or wrong, and it was the task of the grammarian not simply to record alternatives, but to pronounce judgement upon them.
在早期，没有折中办法：（语法）用法不是对就是错，并且语法学家的任务不是简单地记录备选词，而是对它们作出判断。
I: Generally it is 6 months and during this period you are paid half of your regular salary.
一般来说是6个月，这段期间你只能拿到工资的一半。
Namely, we wait until the pendulum stops, and we measure the time until it stops again; that's half a period.
也就是，我们得到摆停，我们测量直到第二次停止的时间，那是半周期。
The incarceration rate in Britain has more than doubled, and that in Japan increased by half, over the period.
英国的入狱率同期也增加了一倍多，日本则上升了一半。
And then when it stops again, I'll stop the time, and then we have half a period.
当它再一次停下，我停止计时，那么我们将得到半周期。
The incarceration rate in Britain has more than doubled and that in Japan increased by half, over the period.
同期英国的监禁率翻了一番还有余，而日本增长了一半。
Like with the spring — if it stops here and it stops there, that's half a period.
就像弹簧-，如果它停在这里，停在那里，这就是半周期。
Energy efficiency was only 0.09 percent worse in the first half of this year than in the same period in 2009, according to statistics released last week.
根据上周发布的官方数据显示，相比于2009年同期，今年上半年的能源效率仅下降了0.09%。
Half of the increase took place in the 2003-07 period when global growth was strong and credit concerns minimal.
一半的涨幅出现在2003年至2007年期间，当时，全球增长势头强劲，信贷担忧微乎其微。
There's sort of a period around the age of four, four and a half, where kids make the transition from failure to success.
儿童在大约四岁四岁半时,会发生从失败向成功的转变
Combined third-quarter profits for the country's nine largest mortgage lenders were $991m, less than half the level for the same period last year.
美国九个最大的房贷公司第三季度利润合计为9.91亿美元，还不到去年同期的一半。
The chart shows the correlation between the number of conflicts and the average temperature during most of the second half of the millennium, the period for which the data are best.
图表中给出了1500至2000年大部分时期战争数量和平均气温之间的相关性曲线（这500年的数据最为可靠）。
The second half of the period and performance since the period end has been disappointing for investors and me personally.
对投资者和我个人而言，第一阶段的后半期以及第一阶段结束以后的业绩表现令人失望。
Since you have a 1% error in l, you're going to have a half a percent error in your period, so that is about 0.02 seconds.
在l上有1%的误差，在周期上有，0。5%的误差，大概是0。02秒。
An advantage to half habits is that you accept that you need to go through a transition period from old habit to new habit.
对于半个习惯的一个优势是你得承认你需要经历一个过渡期从旧习惯到新习惯。
I watch his face while he accounts for the past decade and a half of my life, a period during which he was probably spending his summers in Europe.
我望着他的脸，他讲述过去十来年，那十年是我人生的一半时间，在这段期间他可能在欧洲度过了每个夏天。
If activity is reduced, healthy people can survive on half their usual food intake for an extended period and without any food for many days.
如果减少活动，健康的人能够只靠平常摄入的食物量的一半就能活更长的时间，并且可以好几天不吃东西。
And this was the fifties, the grayest, bleakest, most blinkered and culturally repressive period in the entire second half of the twentieth century, especially in small-town America.
在整个二十世纪后半期，这是最阴郁，最黯淡，最盲目的时期，也是文化上最压抑的时期。美国小镇上的生活更是如此。
Varley and Diamond declined bonuses for a second year in 2009, even after second-half profit more than doubled from the year-earlier period.
瓦利和戴蒙德2009年都拒绝了第二年的红利，即使下半年的盈利相当于去年同期的一倍多。
Over a period of two years, half were given a daily tablet containing high doses of the B vitamins folic acid, B6 and B12.
在两年间，其中一半志愿者每天服用一颗含有高剂量维生素B叶酸、B6与B12的药片。
The company said its net profit margin fell to 14.9% in the first half from 16.8% in the year-earlier period as sales costs and management expenses rose.
公司称，因为成本和管理费用的上升，导致上半年的净利润率从去年同期的16.8%，下降到今年的14.9%。
As with radioactivity, stories have a half-life-in other words a period by which half of newly promoted stories are relegated to a nether page.
与放射性一样，故事有一个半衰期-换言之，就是新推荐的故事从首页到被下放的周期。
As with radioactivity, stories have a half-life-in other words a period by which half of newly promoted stories are relegated to a nether page.
与放射性一样，故事有一个半衰期-换言之，就是新推荐的故事从首页到被下放的周期。
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