深信服测试工程师面试题

SqlServer批量导入Oracle小工具，内附说明文档，操作简便，可以实现对数据的批量及自定义导入，经测试，无问题

通过应用TLS技术算法，实现了对 方程组的 精确 快速 求解！

学习PCIe有一段时间了，这里将这段时间的学习做一个总结。由于手里没有包含PCIe的板子，因此所做的也就是尽力将XILINX提供的实例工程中的关键模块进行分析，包括 PIO_RX_ENGINE.v，PIO_TX_ENGINE.v，PIO_EP_MEM_ACCESS.v ，希望对和我一样的初学者有所帮助。

图像检索matlab程序，基于内容的图像检索，利用颜色直方图进行检索的；本程序自带构建图像数据库的步骤。2012用户需要改interp3为小写。其他版本都OK

介绍了MODTRAN及常用大气辐射模型，并且讲解了tape5和PC版MODTRAN的使用方法及参数设置。

Lumped Elements for RF and Microwave Circuits英文版，射频微波电路入门Lumped Elements for RFand microwave circuitsFor a listing of recent titles in the Artech House Microwave library,turn to the back of this bookLumped Elements for RFand microwave circuitsInder bahlArtech houseBoston londonwww.artechhouse.comLibrary of Congress Cataloging-in-Publication DataBahl, I.J.Lumped elements for RF and microwave circuits /Inder Bahlp cm.--(Artech House microwave libraryncludes bibliographical references and indexISBN 1-58053-309-4(alk. paper1. Lumped elements(Electronics) 2. Microwave integrated circuits. 3. Radiofrequency integrated circuits. 4. Passive components. I. Title. II. SeriesTK7874.54B342003621.38132-dc212003048102British Library Cataloguing in Publication DataBahl, I. J. Inder jit)Lumped elements for RF and microwave circuits.-(Artech House microwave library1. Radio circuits 2. Microwave circuits I. Title621.38412ISBN1-58053-3094Cover design by Igor Valdmar2003 ARTECH HOUSE, INC.685 Canton StreetNorwood Ma 02062All rights reserved Printed and bound in the United States of America. no part of this bookmay be reproduced or utilized in any form or by any means, electronic or mechanical, includingphotocopying, recording, or by any information storage and retrieval system, without permissionn writing from the publisherall terms mentioned in this book that are known to be trademarks or service marks have beenappropriately capitalized. Artech House cannot attest to the accuracy of this information. Useof a term in this book should not be regarded as affecting the validity of any trademark or servicemarkInternational Standard Book Number: 1-58053-309-4Library of Congress Catalog Card Number: 200304810210987654321To my adorable grandsons, Karan and Rohan Kaushal, with whom I play, cry,and laugh, and who have provided me with the idea and inspiration towrite this bookContentsPrefaceXVAcknowledgmentsXXIntroduction1.1 History of Lumped Elcements)Why Use Lumped Elements for rF andMicrowave circuits1.3 L, C, R Circuit Elements1.4 Basic Design of Lumped Elements4.1 Capacitor1.4.2 Inductor4.3 Resistorumped-Element Modelin1. 6 Fabrication1.7 ApplicationsReferencesInductors2.1 IntroductionLumped Elements for RF and Microwave Circuits2.2 Basic Definitions2.2.1 Inductance2.2.2 Magnetic Energy182.2.3 Mutual Inductance202. 2. 4 Effective Inductance202.2.5Imedang2.2.6 Time Constant2.2.7 Quality Factor222.2.8 Self-Resonant Frequency232.2.9aximum Current Ratin2.2.10 Maximum Power Rating2.2.11 Other Parameters232.3 Inductor Configurations242.4 Inductor models2. 4. 1 Analytical Models252.4.2 Coupled-Line Appiroach282.4.3 Mutual Induse arppi342.4.4 Numerical Approach362.4.5 Measurement-Based model382.5 Coupling Between Inductors452.5. 1 Low-Resistivity Substrates2.5.2 High-Resistivity Substrates462.6 Electrical Representations2.6. 1 Series and Parallel representations2.6.2 Network Representations51References52Printed Inductors573.1 Inductors on Si Substrate583.1.1 Conductor Loss3.1.2 Substrate Loss3. 1.3 Layout Considerations3.1.4 Inductor Model3. 1.5 Q-Enhancement Techniques3.1.6 Stacked-Coil Inductor803.1.7 Temperature Dependence84

Jieba是一个中文分词组件，可用于中文句子/词性分割、词性标注、未登录词识别，支持用户词典等功能。该组件的分词精度达到了97%以上。

使用simulink中的simevent进行网络仿真，这是一本入门级的文档。

设有最大化的整数规划问题A,与它对应的线性规划为问题B,从解问题B开始,若其最优解不符合A 的整数条件,那么B的最优目标函数必是A 的最优目标函数 的上界,记作Z1;而A 的任意可行解的目标函数值将是 一个下界Z2。分支定界法就是将B的可行域分成子区域(称为分支),逐步减小Z1和增大Z2,最终求到 .

通过GSM信息最强的基站及其信息强度来计算定位，其它制式的则使用WIFI热点及其信息强度来计算定位，能通过自动开启WIFI功能来定位。