查询词典 variation method

The results of the study showed that:① Using dozens of kilograms of explosives the signal can be detected at distances up to 200 km;②Active source has a certain degree of repeatability among different shots;③This paper presents the following shooting mode and signal detection method based on the similarity of different shots: In light of the similarity between the signals of big shot and small shot, this paper presents a cross-correlation method using signal from big shot signal with high SNR and small shot signal to detect weak small shot signal, the method can effectively detect the small shot signal and pick up the start time of phase, this method can help us make full use of past seismic exploration data records.

野外实验采用1次大当量激发和16次小当量激发，研究结果表明：①有可能利用数十公斤当量的炸药实现200km距离的探测；②在激发条件相同时，不同当量的激发波形滤波后存在一定的相似性；③依据人工震源可重复性采用以下的激发组合方式和处理方法能够有效提高信噪比：针对大当量激发与小当量激发波形的相似性，利用大当量激发的波形作模板与小当量激发的波形作相关，可判断台站是否接受到小当量激发的信号并检测其震相到时信息。

Several methods, such as the capacitance network balance method, the induced voltage method, the series-wound resistance method and the series-wound capacitance method, were proposed, designed, simulated and tested.

主要对电容网络平衡电路法、感应电动势法、串联电阻法、串联电容法等方法进行了理论分析、设计、模拟和实测。

The pattern recognition method mainly counts pattern-recognition method, sentence structure pattern- recognition method, fuzzy set to discern the pattern-recognitions of the method, artificial neural network, etc.

图像识别的方法主要有统计模式识别方法、句法模式识别方法、模糊集合识别方法、人工神经网络的模式识别等。

Any method of the citrate sol-gel method, the self-propagating method or the coprecipitation method is adopted to prepare the product required.

采用柠檬酸盐溶胶-凝胶法、自蔓延法或共沉淀法中任一种制备得到所需产品。

The automatic balancing strategy based on alternate-coordinate optimization method and the rapid automatic balancing strategy based on the influence coefficient method are applied to the automatic balancing experiment of rotor with single plane, which reveals that alternate-coordinate optimization method is easy to use and safe to operate, and that the rapid automatic balancing strategy based on the influence coefficient method has high balancing precision and balancing efficiency.

应用坐标轮换寻优自动平衡策略和基于影响系数法的快速自动平衡策略对单面转子进行了自动平衡实验，结果表明，坐标轮换寻优法简单实用、操作安全，而基于影响系数法的快速自动平衡策略有较高的平衡精度和平衡效率。

Though geological structures in metallic ore areas are very complex and seismic method for ore exploration is still in experiment phase, potential of the method in the future ore exploration can be found from primary experiment effects of seismic method, as the method possesses larger prospecting depth and less ambiguity as well as higher precision to distinguish underground target.

尽管金属矿区的地质构造十分复杂，金属矿勘查中的地震方法技术还处于试验应用研究阶段，但由于该方法探测深度大、多解性少、分辨地下目标物的精度高，从该方法的初步试验效果就能看出地震方法在今后金属矿勘查中的潜力。

Radio Frequency Identification System BE make use of RF energy to deliver data,belong to a wireless communication technique,is 1 kind not the system of contact type,it constitutes the component contain the application system of the reader,electron label,Antenna,host computer, its induction method depends on passive type Tag with active type Tag distinguish analyse, can be divided into induction coupling and back scattering coupling and induced the coupling is the induction method (as 135 KHzs、13.56 MHzs) which belongs to low frequency、high frequency,the back scattering coupling is the induction method(as 915 MHzs、2.45 GHzs) which belongs to superhigh frequency,microwave, and what we construct apply system is use the high frequency 13.56 MHzs of induction coupling method.

中文摘要无线射频辨识系统(Radio Frequency Identification；RFID)是利用RF能量来传递资料，属於无线通讯技术，是一种非接触式的系统，其组成元件有读卡机、电子标签、天线、主电脑应用系统，其感应方式依被动式Tag和主动式Tag来区分，可分为感应耦合和反向散射耦合而感应耦合是属於低频、高频的感应方式(如135KHz、13.56MHz)，反向散射耦合是属於超高频、微波的感应方式(如915MHz、2.45GHz)，而我们所建构的应用系统是使用高频13.56MHz的感应耦合方式。

This text aims at the difference of several representative geology conditions in Yang Shui mining area, carried on the primary election to the mining method of Yang Shui mining area, introduced the new theories of numerical optimization choice of mining method that are fuzzy mathematics and artificial neural network etc, based on the existing mining methods that are feasible, adopt the fuzzy optimization choice principle of flexible neural networks, and synthesize several experts and fieldworkers' opinion, built up the related mathematical model and revised model, carried on processing of programming through computer, thus established each optimization mining project under several representative geology conditions in Yang Shui mining area, and carried on optimizing to the existent unreasonable parameter in mining project;have the great significance to aim at each kind of geology condition for each mining area to adjust the mining method in time in the course of mining, abandon chronically unreasonable mining method, full reclaim the mine's resource, lower the dilution rate、 loss rate of mineral mining, raise the production capacity of stope and economic benefit of mine.

本文针对洋水矿区几种典型地质条件差异，对洋水矿区采矿方法进行了初选，介绍了模糊数学和人工神经网络等采矿方法数值优选新理论，在现有可行性采矿方法的基础上，采用弹性神经网络模糊优选原理，并综合多位专家及现场工作者的意见，建立了相关的数学模型及修正模型，通过计算机进行编程处理，从而确立了洋水矿区几种典型地质条件下各自的最优采矿方案，并针对采矿方案中存在的不合理参数进行了优化，为各矿区针对各类地质条件在采矿过程中及时调整采矿方法，摈弃习惯性的不合理采矿方法，充分回收矿山资源、降低矿石开采的贫化率、损失率，提高采场生产能力以及矿山经济效益具有重大意义。

This paper also defines the basic primitives between the network elements. Furthermore we extend a new SIP PROX method, analyses the field of the PROX method, fulfill the SIP PROX method and implement enhanced SIP Conference Proxy based on the PROX method.

构造了这种基于IP网中多个SIP代理服务的会议系统，由多个SIP代理服务器来保存用户状态，通过多个SIP代理服务器之间的协调来实现成员的一致性，以满足SIP多方会议扩展性的要求。

Based on the categorical knowledge representation and improving the completeness of categorical knowledge pieces,we present a knowledge reasoning method using the categorical construction of analogical functors and pushouts,through knowledge association and deduction,to achieve the supplements of objects and morphisms.This dissertation proposes a similarity measure method for decision-making knowledge acquisition based on greatest common subcategory,and this method calculates the similarity between knowledge pieces from the perspectives of objects,morphisms,types and type categories.A knowledge merging method and the measure of multiple knowledge pieces merging are also presented.

在范畴化知识表示的基础上，为提高范畴化知识片断的完备性，提出运用范畴的类推函子和推出来实现知识扩展推理方法，通过联想和推演过程，实现范畴化知识结构的对象和态射补充，并从对象、态射、定型和定型范畴四个层面量化知识片断相似性，提出基于最大公约子范畴的决策知识相似度计量方法，以及知识片断的语义融合度计量方法。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。