分析了按时间抽取（DIT）基-2快速傅里叶变换（FFT）的误差，数据格式为二进制补码。
The error of the decimate in time (DIT) radix-2 fast Fourier transform (FFT) is analyzed, where the data format is two's complement.
运用二进制方法对按时间抽取顺序输入倒序输出的基2FFT算法进行了较为详细的分析和论证。
The decimation in time (DIT) radix-2 FFT algorithm is analyzed in details with input in normal order and output in bit-reversed order by the binary method.
核心模块快速傅立叶逆变换（IFFT）采用基于16位定点运算的基-2时间抽取算法和流水线结构。
The radix-2 decimation-in-time algorithm based on 16-bit fixed-point operation and pipeline architecture are adopted in the core module IFFT(Inverse Fast Fourier Transform).
本文首先对傅立叶变换的性质做了详细介绍，其中包括离散傅里叶变换，快速傅立叶变换（FFT）以及基-2按时间抽取（DIT）的FFT算法；
Firstly , the properties of Fourier Transform, including discrete Fourier Transform, FFT and based-2 DIT FFT, are introduced in this paper;
您可以从PD F文件中抽取测试，执行确认，并考察不同的PD F文件的生成时间。
You can extract the test from PDF files, perform verification and take into account the variable PDF generation times.
明白了这一点，我们就必须为“减轻压力”抽取时间，并且寻找方法防止反复受压力困扰。
Knowing that, we have to carve out time to "stress-less" and find ways to under-react.
即使你认为自己的基础已经很扎实了，或者已经有工作了，也要尽量抽取时间做这些。
Even if you think you already have a solid foundation and you have work, set aside enough time so that you can still do all of the above on the side.
该字符串操作还从元素的“start ”和“end ”属性抽取活动开始和结束时间。
The string operations also extract event start and end times from the "start" and "end" attributes of the element.
感谢你在每周需工作80个小时的进度表中抽取时间与我们对话！
Thank you for taking time out of your busy 80-hours-a-week schedule to talk with us!
一个最简单的方法是，你从其他生活中抽取一部分时间来进行学习。
One of the easiest ways to find more time is by by stealing pockets of time from other areas of your life.
即使您没有热插拔硬盘或者抽取式的硬盘架，打开机箱安装一个硬盘也用不了多长时间。
Even if you don't have nice hot-swappable drives or removable drive cages, it takes just a couple of minutes to pop the case open and hook one up.
此外，还有一组名称浅显易懂的分量抽取函数，只要一个操作就能从日期、时间或时期数据中抽取一个字段。
Also, a set of component extraction functions allows one operation, with a readable name, to get one field out of a date, time, or duration. For example, compare.
这花费了我们大量的时间和精力将Flex的精华抽取出来，但对于结果我是非常满意的。
It took a lot of effort to distill Flex down to the essentials, but I'm quite happy with the result.
假如它们相互绕轨道运行得更快一些，譬如说，绕轨道运行一周的时间降为3分钟，那么这一对白矮星就会相互牵引得过于靠近，而开始从另一个中抽取氮气。
If they orbited each other any more quickly, say, on the order of three minutes per orbit, the stars would pull so close that they would begin siphoning helium off one another.
只要预处理、特征抽取及分类得当，时间间隔和实验误差等因素对运动想象识别的影响不大。
With the suitable pretreatment, features extraction and classifier design, the influence, which arose from time interval, experiment error and so on, can be nearly ignored.
首先，十分感谢您抽取宝贵的时间来完成以下问卷。
Thank you for taking your precious time off for this questionnaire.
实验结果表明该方法对论坛帖子的标题、作者、发表时间和内容文本块等元数据的抽取达到了较高的准确率。
Experimental results show that the proposed approach achieves high accuracy in extracting some metadata of web forums such as post title, post author, post time and post content.
本文提出了一种挖掘新闻话题随时间变化的方法，通过话题抽取、话题过滤和话题关联实现话题的演化。
In this paper, we proposed a method to discover topic's evolution over time by topic detection, topic filtering and relating topics in different time periods.
知识发现的过程包括时间序列数据预处理、属性约简和规则抽取三部分。
The process of knowledge discovery in time series includes preprocessing of time series data, attributes reduction and rules extraction.
该方法的基本思想是：首先，抽取新闻要素中关于事件发生的时间和地点短语；
This method basic thought is: First, extracts the time and the place phrase which in the news essential factor the event occurs;
为了提高分类正确率和减少训练时间，将特征抽取技术与分类算法结合，提出了一种基于KFDA - SVM的入侵检测技术。
In order to improve the detection rate and reduce the training time, KFDA-SVM intrusion detection technology is proposed which combines the feature extraction technology and classification algorithm.
同时，采用该装置可以减少人力和时间，提高抽取效率。
Meanwhile, by adopting the device, the labor and the time can be reduced and the drawing efficiency can be improved.
因此，如何结合语义特征，使得所抽取的低层物理特征和图像内容所表示的语义特征之间建立良好的联系，实现高效的图像检索，仍是很长一段时间内需要研究解决的问题之一。
Therefore, it is still an unsolved problem about how to integrate with semantic features to achieve better connection between the lower physical features and the image content for efficient retrieval.
首先应用LDA对不同时间段的文集进行话题的自动抽取，话题数目在不同时间段是可变的；
The method applies LDA model on temporal news reports to extract news topics, the number of topics in different time periods is different.
论坛的结构化数据抽取是对论坛中帖子的标题、作者、发表时间和内容文本块等论坛元数据的抽取，它是处理论坛数据的基础。
Forum structured data extraction is the meta-data extraction from web forums such as post title, post author, post time and post content. It is the foundation of processing forum data.
在汉语时间表达识别中，主要内容分为两部分：明显时间表达的识别和隐含时间表达的抽取。
To recognize the Chinese temporal expression, we divide the task into two sub-tasks: the explicit temporal expression recognition and the implicit temporal expression recognition.
信息抽取是一种用于处理各种类型文本文档的非常有效的方法，然而建立一个文本信息抽取系统却是非常困难和耗费时间的。
Information extraction is an effective way of processing various texts, but building a information extraction system is very difficult and time-consuming.
在一天中，项目组随机抽取时间向大约2200个参与者询问，他们在做什么、在想什么、以及心理的感受。
At random times throughout the day, the program asked some 2,200 participants what they were doing, what they were thinking about and how they felt.
本实用新型操作安全、捆扎对中、捆扎质量好，避免了单张抽取，具有捆钞时间短、工序简单等特点。
The utility model has the advantages of safe operation, centered binding, good binding quality, avoiding of single piece to be withdrew, short binding period and simple process, etc.
本实用新型操作安全、捆扎对中、捆扎质量好，避免了单张抽取，具有捆钞时间短、工序简单等特点。
The utility model has the advantages of safe operation, centered binding, good binding quality, avoiding of single piece to be withdrew, short binding period and simple process, etc.
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