A fast algorithm of multiple - precision multiplication based on divide - and - conquer method 一個基于分治法的快速多精度乘法
3 . based information entropy , multi - precision similarity matching and multi - dimension hash index are proposed 提出了基于信息熵的多精度相似匹配和多維散列索引技術。
The image is divided into a number of sub blocks , each with its associated color histogram and image entropy . theoretics and experimental results show that the techniques can help to make similarity matching more precise . 4 多精度色彩匹配將圖象劃分成了許多子圖塊,每一子圖都具有其相應的色彩直方圖與圖象墑,作為細粒度匹配的基礎。
In this thesis the distributed simulation environment is investigated which provides capabilities of component integration , variable complexity analysis and multidisciplinary coupling and it presents an excellent platform and solution accounting for this goal 本文研究了支持部件集成、多精度分析以及不同學科耦合分析的分布式仿真環(huán)境,為實現(xiàn)該目標提供了良好的平臺和解決方案。
Therefore , mobile location technique has become the core technology in wcdma network . the basic principle of the moving location technique and the leading location methods are introduced firstly , and comparing their respective advantages and disadvantages in accuracy , cost etc , and the factors affecting the accuracy of the methods are discussed as well ; secondly , aimed at the tdoa location technique , the mathematical model of tdoa hyperbolic equations is established , advantages and disadvantages of several tdoa location algorithms are analyzed in detail ; then , the basic mobile location technique , location method implementation , network architecture , signaling protocol and interface , location procedures and multiple accuracy location procedure of wcdma mobile location are analyzed and discussed in this thesis 本文首先介紹了移動定位技術的基本原理和目前主要的定位技術,并對這些定位技術進行了比較,同時就影響移動定位精度的若干因素進行了詳盡的討論;針對目前采用最多的到達時間差( tdoa ,全稱timedifferenceofarrival )定位技術,給出了tdoa雙曲線方程組的數(shù)學模型,詳細地分析了各種主要基于tdoa技術的定位算法的優(yōu)缺點;然后對wcdma網(wǎng)絡中的基本定位技術、定位實施方法、網(wǎng)絡結(jié)構、信令協(xié)議、操作流程和多精度定位流程實施方法進行了分析和探討。
This product is integrated the microcomputer , liquid crystal display screen , operation button and switch power , it can along simply complete measure , display , self - calibrate , set etc . , the product also equip with standard communication interface and switch quantity output interface , can complete telemetering and remote control function . this instruments can be used for many ac spend electricity field to served and measure , estimate and remote concentrated search meter , monitor management due to its small volume , various functions , high accuracy 本產(chǎn)品內(nèi)部集成了微型控制電腦液晶顯示屏操作按鈕以及開關電源,可以單獨完成測量,顯示自校準設定等操作,本產(chǎn)品還配備了標準的通信接口和開關量輸出接口,能夠?qū)崿F(xiàn)遙測遙控功能。由于體積小功能多精度高,可以用在多種交流用電場合下的測量計量以及遠程集中抄表監(jiān)控管理。