查询词典 sampling fraction

Firstly, sample data stream by two neighbor windows of given length. Then the sampling data is projected to normalized high dimension feature space and the two minus hypersphere models of two window sampling data sets are constructed respectively. Finally, detect change by computing cosine of inclination angle of two centrals of hypersphere.

该算法首先以给定长度的两相邻时间窗口对数据流取样，然后以支持向量数据描述方法将这两相邻时间窗口取样的数据流子集映射到规范化的高维特征空间，并分别建立描述这两相邻时间窗口取样数据流子集映像的最小超球模型，最后通过计算两超球之间的球心矢量的夹角的余弦，度量该两相邻时间窗口取样数据流子集的相似性检测模式变化。

Their advantages and disadvantages are discussed and a full digital asynchronous sampling method is devised to meet the integrating need by the decoder. Based on this method, we designed a hardware project, which can make the decoder independent from the sampling clock PLL .

针对解码器高集成化的需求，设计了全数字的异步采样方案；在此基础上提出了一种适合视频解码器的硬件实现方法，该方法采用全数字实现，摆脱了对片外锁相环的依赖。

METHODS: Grounded on the indophenol blue photometric method, the way of breath ammonia sampling, and endpoint judgement for breath ammonia sampling were systematically studied.

以靛酚蓝比色测氨法为基础，对呼气氨采集方法以及采气终点判断方法等进行了系统研究。

However, if the investigation determines that the initial sampling method was in error, a new accurate sampling method must be developed, qualified, and documented §§ 211.160 and 165

但是，如果调查确定最初取样方法是错误的，应该研究一个新的正确的取样方法并进行确认、并形成文件§§ 211.160 and 165

Quardrature sampling is, in fact, sampling in Radar's echo signal to produce the inphase components I and quadrature components Q.

正交插值实际上是对接收到的回波实信号进行正交采样。

LED or photo aging components: the core of IC optical mouse has a constant internal integrated circuit, the LED constant current of about 50mA, the general use of the mouse high-grade intermittent sampling technique, sent intermittent conduction current is the (sampling frequency of about 5KHz), can be in the same power under the premise of testing to enhance the power LED, the high detection sensitivity.

1发光管或光敏元件老化：光电鼠标的核心IC内部集成有一个恒流电路，将发光管的工作电流恒定在约50mA，高档鼠标一般采用间歇采样技术，送出的电流是间歇导通的(采样频率约5KHz)，可以在同样功耗的前提下提高检测时发光管的功率，故检测灵敏度高。

In addition, the linear interpolation problem is discussed, midpoint sampling interpolation and double-point sampling interpolation are provided. The convexconcave property of linear error is studied.

另外本文还研究了并联机床的线性插补问题，提出了中点采样插补法和双点采样插补法，文中对采样偏差的凹凸性进行了分析。

Based on this formula, the effects on the measurent result caused by synchronizing error, sampling number, starting sampling point under arbitary irregular wave condition can be clearly analysed.

根据这一公式，可在任意畸变波形条件下分析由同步误差、采样点数、采样起点等对测量结果的影响。

The sampling design of graduates＇ tracing survey in Hunan Radio and TV University follows the principles of randomicity, homogeneity and sampling trade representativeness and employs the method of delamination and isometry.

湖南电大开放教育试点专业毕业生追踪调查的抽样遵循随机性、分布相对均匀性、行业代表性等基本原则，采取分层等距抽样的方法。

System given value Parameter and so on sampling period by the keyboard entry, and may revise as necessary, assigns at the same time the temperature and the sampling period demonstrates on LED.

系统的给定值等参数可由键盘输入，并可以随时修改，给定温度和PID的参数可显示在LED上。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。