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Many of the pattern fi nding algorithms such as decision tree, classifi cation Rules and clustering
techniques that are frequently used in data mining have been developed in machine learning
research community. Frequent pattern and association Rule mining is one of the few excep-
tions to this tradition. The introduction of this technique boosted data mining research and its
impact is tremendous. The algorithm is quite simple and easy to implement. Experimenting
with Apriori-like algorithm is the fi rst thing that data miners try to do.
標(biāo)簽：
64257
algorithms
decision
pattern
上傳時(shí)間：
2014-01-12
上傳用戶：wangdean1101
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This document contains official Rules of the 3D soccer simulation competition
at RoboCup 2006. While we will try to cover all cases, if unexpected
events do occur, the Rule committee will seek input from the
participants and then make a decision. However, once the committee has
made a decision, that decision is final and will not be open to further
discussion
標(biāo)簽：
competition
simulation
document
contains
上傳時(shí)間：
2016-11-30
上傳用戶：zhengzg
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華碩電腦pcb設(shè)計(jì)規(guī)范，內(nèi)部資料，
PCB Layout Rule Rev1.70, 規(guī)範(fàn)內(nèi)容如附件所示, 其中分為:
(1) ”P(pán)CB LAYOUT 基本規(guī)範(fàn)”:為R&D Layout時(shí)必須遵守的事項(xiàng), 否則SMT,DIP,裁板時(shí)無(wú)法生產(chǎn).
(2) “錫偷LAYOUT Rule建議規(guī)範(fàn)”: 加適合的錫偷可降低短路及錫球.
(3) “PCB LAYOUT 建議規(guī)範(fàn)”:為製造單位為提高量產(chǎn)良率,建議R&D在design階段即加入PCB Layout.
(4) ”零件選用建議規(guī)範(fàn)”: Connector零件在未來(lái)應(yīng)用逐漸廣泛, 又是SMT生產(chǎn)時(shí)是偏移及置件不良的主因,故製造希望R&D及採(cǎi)購(gòu)在購(gòu)買異形零件時(shí)能顧慮製造的需求, 提高自動(dòng)置件的比例.
(5) “零件包裝建議規(guī)範(fàn)”:,零件taping包裝時(shí), taping的公差尺寸規(guī)範(fàn),以降低拋料率.
標(biāo)簽：
pcb
華碩電腦
設(shè)計(jì)規(guī)范
上傳時(shí)間：
2013-12-16
上傳用戶：奇奇奔奔
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PowerPCB教程簡(jiǎn)介
歡迎使用 PowerPCB 教程。本教程描述了PADS-PowerPCB 的絕大部分功能
和特點(diǎn)，以及使用的各個(gè)過(guò)程，這些功能包括：
· 基本操作
· 建立元件(Component)
· 建立板子邊框線(Board outline)
· 輸入網(wǎng)表(Netlist)
· 設(shè)置設(shè)計(jì)規(guī)則(Design Rule)
·元件(Part)的布局(Placement)
· 手工和交互的布線
· SPECCTRA全自動(dòng)布線器(Route Engine)
·覆銅(Copper Pour)
· 建立分隔/混合平面層(Split/mixed Plane)
· Microsoft 的目標(biāo)連接與嵌入(OLE)(Object Linking Embedding)
· 可選擇的裝配選件(Assembly options)
· 設(shè)計(jì)規(guī)則檢查(Design Rule Check)
· 反向標(biāo)注(Back Annotation)
· 繪圖輸出(Plot Output)
使用本教程后，你可以學(xué)到印制電路板設(shè)計(jì)和制造的許多基本知識(shí)。
你不必一次完成整個(gè)教程，如果在任何時(shí)候退出后，下次直接找到你要進(jìn)入
的部分，繼續(xù)學(xué)習(xí)本教程。
當(dāng)你完成了本教程的學(xué)習(xí)后，可以參考在線幫助(On-line Help)以便得到更多
的信息。如果你需要附加的信息內(nèi)容，你可以與PADS 在各地辦事處或代理商取
得聯(lián)系，以便得到更多的幫助。
歡迎使用PowerPCB進(jìn)行PCB設(shè)計(jì)！
標(biāo)簽：
PowerPCB
PADS-PowerPCB
教程
分
上傳時(shí)間：
2013-12-12
上傳用戶：caozhizhi
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A Design and Implementation of The Online Shopping System
Abstract: Along with the development of the computer ,the database technique is widespread in the application of Internet, more and more , providing more thoughtful and humanized service for the large network customer. Characteristic services have already become gradually the current as the application of Wed nowadays. This text studied a method of project which composed of characteristic page and dynamic state of technical customer according to the data connection Rule, compared with some projects that adopt already on present nets, this project have the advantage of providing customers more simple ,reflective obvious meticulous use and so on..
標(biāo)簽：
Implementation
development
Abstract
Shopping
上傳時(shí)間：
2014-12-04
上傳用戶：410805624
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Compression using lempel-ziv
-for a dictionary size of 2k
-provide dictionary
Lempel ziv algorithm is a dictionary based algorithm that addresses byte sequences from former contents instead of the original data. This algorithm consists of a Rule for parsing strings of symbols from a finite alphabet into substrings, whose lengths do not exceed a prescribed integer and a coding scheme which maps these substrings sequentially into uniquely decipherable code words of fixed length. The strings are selected so that they have nearly equal probability of occurrence. Frequently-occurring symbols are grouped into longer strings while occasional symbols appear in short strings.
標(biāo)簽：
dictionary
Compression
lempel-ziv
provide
上傳時(shí)間：
2014-01-07
上傳用戶：我們的船長(zhǎng)
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Guided vehicles (GVs) are commonly used for the internal transportation of loads in warehouses, production plants and terminals. These guided vehicles can be routed with a variety of vehicle dispatching Rules in an attempt to meet performance criteria such as minimizing the average load waiting times. In this research, we use simulation models of three companies to evaluate the performance of several real-time vehicle dispatching Rules, in part described in the literature. It appears that there
is a clear difference in average load waiting time between the different dispatching Rules in the different environments. Simple Rules, based on load and vehicle proximity (distance-based) perform best for all cases. The penalty for this is a relatively high maximum load waiting time. A distance-based Rule with time truncation, giving more priority to loads that have to wait longer than a time threshold, appears to yield the best possible overall performance. A Rule that particularly considers load-waiting time performs poor overall. We also show that using little pre-arrival information of loads leads to a significant improvement in the performance of the dispatching Rules without changing their performance ranking.
標(biāo)簽：
Testing and classifying vehicle dispatching Rules in three real-world settings
上傳時(shí)間：
2016-04-01
上傳用戶：五塊錢的油條
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Switched systems are embedded devices widespread in industrial
applications such as power electronics and automotive control. They
consist of continuous-time dynamical subsystems and a Rule that
controls the switching between them. Under a suitable control Rule, the
system can improve its steady-state performance and meet essential
properties, such as safety and stability, in desirable operating zones.
標(biāo)簽：
Invariance
Switching
Analysis1
Systems
by
上傳時(shí)間：
2020-06-07
上傳用戶：shancjb
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PCB工藝設(shè)計(jì)系列之華碩內(nèi)部的PCB設(shè)計(jì)規(guī)范1. 問(wèn)題描述(PROBLEM DESCRIPTION)為確保產(chǎn)品之制造性, R&D在設(shè)計(jì)階段必須遵循Layout相關(guān)規(guī)范, 以利制造單位能順利生產(chǎn), 確保產(chǎn)品良率, 降低因設(shè)計(jì)而重工之浪費(fèi). “PCB Layout Rule” Rev1.60 (發(fā)文字號(hào)： MT-8-2-0029)發(fā)文后, 尚有訂定不足之處, 經(jīng)補(bǔ)充修正成“PCB Layout Rule” Rev1.70. PCB Layout Rule Rev1.70, 規(guī)范內(nèi)容如附件所示, 其中分為:(1) ”P(pán)CB LAYOUT 基本規(guī)范”:為R&D Layout時(shí)必須遵守的事項(xiàng), 否則SMT,DIP,裁板時(shí)無(wú)法生產(chǎn).(2) “錫偷LAYOUT Rule建議規(guī)范”: 加適合的錫偷可降低短路及錫球.(3) “PCB LAYOUT 建議規(guī)范”:為制造單位為提高量產(chǎn)良率,建議R&D在design階段即加入PCB Layout.(4) ”零件選用建議規(guī)范”: Connector零件在未來(lái)應(yīng)用逐漸廣泛, 又是SMT生產(chǎn)時(shí)是偏移及置件不良的主因,故制造希望R&D及采購(gòu)在購(gòu)買異形零件時(shí)能顧慮制造的需求, 提高自動(dòng)置件的比例.(5) “零件包裝建議規(guī)范”:,零件taping包裝時(shí), taping的公差尺寸規(guī)范,以降低拋料率.
標(biāo)簽：
pcb工藝
上傳時(shí)間：
2022-07-22
上傳用戶：fliang
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Power PCB如何在不同層去設(shè)不同線寬之走線1.選擇 Setup\Design Rules2.選澤 Conditional Rules Setup3.設(shè)定Sousce Rule object（可依照不同的狀況去選擇使用Al/Classes/Nets/Groups/Pin pairs）4.設(shè)定Against Rule object（可依照不同的狀況去選擇使用 Layer/Classes/Nets）5.設(shè)定Existing Rule sets將 Sousce Rule object與Against Rule object之定按Create產(chǎn)生）6.案例說(shuō)明一有一條信號(hào)CLK_32M當(dāng)走到Layer1時(shí)需為線寬6mil間距6mil；Layer3時(shí)需為線寬20mil間距20mil
標(biāo)簽：
padslayout
上傳時(shí)間：
2022-07-24
上傳用戶：
