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The process of creating a DSD signal is conceptually similar to taking a 1-bit delta-sigma analog-to-digital converter and removing the decimator which converts the 1-bit bitstream into multibit PCM.

过程中创造一个信号,渠务署,是在概念上相似,以1位Δ-Σ模拟到数字转换器,并消除decimator转换1位码流成多位的PCM 。

After UV irradiation and the decomposition of diazium group, the linage of the films will be converted from ionic bond to covalent bond, result in the films could resist the etching of polar solvents and strong electrolyte.

利用传统的三电极光电转换装置,以0.5M KCl溶液为支持电解质,测试了含聚苯胺衍生物超薄膜的光电转换性能,并考察了影响光电流产生的影响因素。

A kind of real time conversion method fulfilled by the multithread pipeline scheme algorithm is proposed. According to format characteristics of VOB file in the DVD, each link in conversion the file format—demultiplex, code and multiplex, is improved.

因此我们提出了一种多线程流水调度算法,根据VOB文件特点,对文件格式转换的解复用、编码、复用等环节进行优化,较好地实现了DVD文件、VCD文件转换到MPEG2文件的混合无掉帧实时播放。

The invention relates to an air ion static determination and an air ion static determinator, comprising air ionization collector, electric charge weigh, control circuit, computer and software system supporting measurement and data recording processing, wherein the electric charge weigh is used to isolate the air ionization collector and the computer acquisition circuit, the computer can monitor the electric quantity on the collector plate electrode.

本发明涉及一种空气离子静态测定法及空气离子静态测定仪,计算机控制的可以在线连续监测空气离子浓度的电路设计和测量方法。测试系统由空气离子采集器、电荷秤、控制电路、计算机及其支持测量和数据记录处理的软件系统构成。电荷秤通过电―光转换、光―电转换起到了把空气离子采集器与计算机采集电路隔离的作用,使采集器上的电荷不会通过采集电路放电,计算机可以监测采集器极板上的带电量。

Alternatively, a dichroic filter may be used over the wavelength converting element 110 to reflect the transmitted pump light back into the wavelength converting element 110 for a second pass.

或者,二向色滤光片可在波长转换元件110上使用以将所透射的泵浦光反向反射到波长转换元件110内用于二次传递。

An explicit continuation and transition of didacticism can be found LuXun to ZhaoShuLi, forkxample from the topic peopleto peasant, from bad natureto question, which are to be discussed in three aspects.

摘要从鲁迅到赵树理,启蒙主义有明显的继承也有明显的转换;从"国民"向"农民",从"劣根性"向"问题",文章从三个方面讨论这一转换的现实意义。

The biggest difference between the as operator and the cast operator is how user-defined conversions are treated.

使用as操作符和使用强制类型转换最大的区别在于framework是如何对待用户自定义的转换运算符的。

The best melting temperature and annealing temperature were determined by analysing of differential thermal analysis curve.

本文通过分析差热曲线,确定了实验的最佳熔化温度和退火温度,测定了样品的吸收光谱和在980nmLD激发下的上转换发射光谱,研究了上转换发光强度与激光泵浦功率的对数关系,同时,测定并分析了样品的拉曼光谱和电子扫描电镜图。

Among used machine learning methods, the gradient descent method is widely used to train various classifiers, such as Back-propagation neural network and linear text classifier. However, the gradient descent method is easily trapped into a local minimum and slowly converges. Thus, this study presents a gradient forecasting search method based on prediction methods to enhance the performance of the gradient descent method in order to develop a more efficient and precise machine learning method for Web mining.However, a prediction method with few sample data items and precise forecasting ability is a key issue to the gradient forecasting search method. Applying statistic-based prediction methods to implement GFSM is unsuitable because they require a large number of data items to model a prediction model. In the contrast with statistic-based prediction methods, GM(1,1) grey prediction model does not need a large number of data items to build a prediction model, and it has low computational load. However, the original GM(1,1) grey prediction model uses a mathematical hypothesis and approximation to transform a continuous differential equation into a discrete difference equation in order to model a forecasting model.

其中梯度法是一个最常被使用来实现机器学习的方法之一,然而梯度法具有学习速度慢以及容易陷入局部最佳解的缺点,因此,本研究提出一个梯度预测搜寻法则(gradient forecasting search method, GFSM)来改善传统梯度法的缺点,用来提升一些以梯度学习法则为基础的分类器在资讯探勘上的效率与正确性;而一个所需资料量少、计算复杂度低且精确的预测模型是梯度预测搜寻法能否有效进行最佳解搜寻之关键因素,传统统计为基础之预测方法的缺点是需要较大量的数据进行预测,因此计算复杂度高,灰色预测模型具有建模资料少且计算复杂度低等优点,然而灰色预测理论以连续之微分方程式为基础,并且透过一些数学上的假设与近似,将连续之微分方程式转换成离散之差分方程式来对离散型资料进行建模及预测,这样的作法不尽合理,且缺乏数学理论上的完备性,因为在转换过程中已经造成建模上的误差,且建模过程仅考虑相邻的两个资料点关系,无法正确反应数列未来的变化趋势。

And due to the nature of the data acquisition, three data acquisition circuit board are adopted. They are voltage to digit data converting circuit board, current to digit data converting circuit board and digit data input/output circuit board. These circuit boards are used to acquire the main running parameter of the multifunctional experimentation equipment and to control the output of alarm message.The monitor and control program is developed on Delphi5.0 which is an excellent product of Borland Corp.

数据监控系统的硬件以一台工业控制PC机为核心,并根据采集信号的性质配置了电压-数字量转换板、电流-数字量转换板及开关量输入/输出板,对实验台的主要运行参数进行采集并进行报警控制;监控系统的软件以BORLAND公司的Delphi5.0作为开发平台,采用了面向对象的设计方法,运用了多线程、数据库等技术,做到了界面美观、操作方便。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。