查询词典 frequency function

This article deals with problems of irrigation frequency and crop-water production function of cotton under mulched drip irrigation in agriculture production.

本文针对棉花膜下滴灌生产中急待解决的关于灌水频率和作物水分生产函数问题进行试验研究。

Rased on the high-order statistics of data,the feature basis function which is obtained by ICA from image data are localized in space as well as in frequency and orientation ,fit image data well.

传统的的傅立叶变换、离散余弦变换、主分量分析等线性变换方法都是基于全局变换的思想，无法反映图像在时频域的局部特征。

In addition, measurements of the force-frequency relationship, a reflection of in vivo SERCA2a function, were obtained in myocardial trabeculae isolated from 75 hearts (51 CHF [29 DCM and 22 ICM] and 24 CHF+LVAD [10 DCM and 14 ICM]).

此外，用力-频率关系的测量，体内 SERCA2a 功能的反射，由75例心脏(51 CHF [29 DCM 和 22 ICM] 和 24 CHF+LVAD [10 DCM 和 14 ICM])分离的心肌小梁中获得。

This article based on the MATLAB platform, the use image toolbox function, has carried on a more thorough analysis to the image air zone and the frequency range each filter method.

本文基于MATLAB平台，利用图像工具箱函数，对图像空域及频域的各种滤波方法进行了较为深入的分析。

This present aticle introduces the methods of collecting, compressing and loading audio-frequency file and synchronously control among media and also gives a detailed account of loading methods of the files of WAV, MIDI and Mp3 in Authorware by means of function.

Authorware课件中音频文件的使用非常广泛，本文介绍了音频文件的采集、压缩、加载和媒体间同步控制的方法，对WAV、MIDI、MP3文件在Authorware中用函数加载的方法给出了详细的介绍。

By means of the 3Ds Max and Flash software ,this system reappeared the structure of various automobile parts and their working principle and moving mode,which made the teaching more vividly and lively; Using Goldwave and LAME MP3 Encoder audio-frequency software effectively compressed the system audio media document, so it could reduce the overall system possessive amount; Many kinds of alternately responsible types such as the button,hot spot,text entry and so on,and the function of jumps transfers and link including the hypertext link,goto sentence, navigation icon had been used ingeniously and comprehensivly,which was more helpful to complete successfuly in the interactive design .In order to realize the network publishing of the course soft,source program was optimized on the base of facing to the CD-ROM package.

在系统设计过程中，利用3Ds Max和Flash等动画设计软件虚拟再现了汽车各部件的结构、工作原理和运动方式，使教学更加生动、活泼；利用Goldwave、Lame图形界面Mp3压缩器等音频处理软件有效压缩了系统中的音频媒体文件，进而减少了整个系统的磁盘占有量；巧妙而综合地利用了按钮、热区域、文本框等多种交互响应类型和超文本链接、goto语句、导航图标等跳转链接功能，成功的完成了本系统的交互设计；在面向CD-ROM打包发布的基础上，对源程序进行优化处理，实现了课件的网络发布。

Bubble function is a band pass filter in the frequency domains, while it can't have the ability to adjust bandwidth of filter.

Bubble函数在频域里相当于一带通滤波器，它可以反映不同的时域、频域特性，但它不具有调节带宽的功能。

The filters require close component matching to guarantee that carrier and single-sideband suppression—key measures of quadrature-modulator ideality—do not degrade as a function of baseband frequency.

滤波器需要匹配精密器件，确保载波和单边频带抑制——理想积分调制器的关键——作为基带频率不能降级。

The formulation of design sensitivity of natural fnequencies and frequency response function is derived with respect to design parameters induding stiffness of shafts, average gear meshing stiffness, damping constant and inertia of gears etc.

推导了系统扭振固有频率及频响函数相对于设计参数的灵敏度计算公式，这些设计参数可以是轴的扭转刚度、齿轮平均啮合刚度、阻尼及齿轮转动惯量等。

Therefore, the hybrid method was adopted to determine the equivalent material properties. In this paper, the modal testing and numerical analysis were applied to obtain the Frequency Response Function and to calculate the equivalent spring constant and damping ratio of the suspension.

因此本文针对汽车悬吊部分，先以模态试验法与数值分析方法，将悬吊部分以线性弹簧及阻尼来模拟，并使用混合法，结合实验与数值之结果进行参数调整，在此是以FRF Base 来实施参数调整，确立悬吊系统的等效弹簧系数与阻尼系数。

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