·《信號處理引論》【國外電子與通信教材系列】 【原書作者】: [美]James H. McClellan/ Ronald W. Schafer/ Mark A. Yoder【譯者】:周利清 等【出版社】 : 電子工業出版社【出版日期】:2005年4月【文件格式】:超星 本書是作者根據他們近十年的教學和研究
標簽: 信號處理
上傳時間: 2013-04-24
上傳用戶:shuiyuehen1987
·詳細說明:wince平臺上的語音識別程序,基于evc++ 4.0。文件列表: pocketsphinx-0.3 ................\aclocal.m4 ................\autogen.sh ................\ChangeLog ................\config.gu
上傳時間: 2013-07-06
上傳用戶:小草123
·《嵌入式軟件基礎:C語言與匯編的融合》(Fundamentals of Embedded Software)(Daniel W. Lewis)英文版[PDF]
上傳時間: 2013-07-06
上傳用戶:kernaling
自定義的組件包。其中包含了市場上很炫的優秀的用戶體驗組件, 供大家業務開發用。
標簽: android-w android widget song
上傳時間: 2013-05-16
上傳用戶:huannan88
ID 型號廠家用途構造溝道v111(V) ixing(A) pdpch(W) waixing 1 2SJ11 東芝DC, LF A, JChop P 20 -10m 100m 4-2 2 2SJ12 東芝DC, LF A,J Chop P 20 -10m 100m 4-2 3 2SJ13 東芝DC, LF A, JChop P 20 -100m 600m 4-35 4 2SJ15 富士通DC, LF A J P 18 -10m 200m 4-1 5 2SJ16 富士通DC, LF A J P 18 -10m 200m 4-1 6 2SJ17 C-MIC J P 20 0.5m 10m 4-47 7 2SJ18 LF PA J(V) P 170 -5 63 4-45 8 2SJ19 NEC LF D J(V) P 140 -100m 800m 4-41 9 2SJ20 NEC LF PA J(V) P 100 -10 100 4-42 10 2SJ22 C-MIC J P 80 0.5m 50m 4-48 11 2SJ39 三菱LF A J P 50 -10m .15/CH 4-81 12 2SJ40 三菱LF A,A-SW J P 50 -10m 300m 4-151 13 2SJ43 松下LF A J P 50 20m 250m 4-80A 14 2SJ44 NEC LF LN A J P 40 -10m 400m 4-53A 15 2SJ45 NEC LF A J P 40 -10m 400m 4-53A 16 2SJ47 日立LF PA MOS P -100 -7 100 4-28A 17 2SJ48 日立LF PA, HS MPOSSW P -120 -7 100 4-28A 18 2SJ49 日立LF PA,HS PMSOWS P -140 -7 100 4-28A 19 2SJ49(H) 日立HS PSW MOS P -140 -7 100 4-28A 20 2SJ50 日立LF/HF PA,HMSO SPSW P -160 -7 100 4-28A 21 2SJ50(H) 日立HS PSW MOS P -160 -7 100 4-28A 22 2SJ51 日立LF LN A J P 40 -10m 800m 4-97A 23 2SJ55 日立LF/HF PA,HMSO SPSW P -180 -8 125 4-28A
上傳時間: 2013-10-10
上傳用戶:13162218709
ADIS16334是一款薄型、完全校準的MEMS慣性測量單元(IMU)。圖1為該封裝的頂視圖,其中包括四個安裝孔,配備嵌入式安裝架,有助于控制附加硬件的整體高度。安裝孔為M2 × 0.4 mm或2至56個機械螺絲提供了足夠的間隙。
上傳時間: 2013-11-11
上傳用戶:taozhengxin
第四章 信號分離電路 第四章 信號分離電路第一節 濾波器的基本知識一、濾波器的功能和類型1、功能:濾波器是具有頻率選擇作用的電路或運算處理系統,具有濾除噪聲和分離各種不同信號的功能。2、類型:按處理信號形式分:模擬濾波器和數字濾波器按功能分:低通、高通、帶通、帶阻按電路組成分:LC無源、RC無源、由特殊元件構成的無源濾波器、RC有源濾波器按傳遞函數的微分方程階數分:一階、二階、高階第一節 濾波器的基本知識 第一節 濾波器的基本知識二、模擬濾波器的傳遞函數與頻率特性(一)模擬濾波器的傳遞函數模擬濾波電路的特性可由傳遞函數來描述。傳遞函數是輸出與輸入信號電壓或電流拉氏變換之比。經分析,任意個互相隔離的線性網絡級聯后,總的傳遞函數等于各網絡傳遞函數的乘積。這樣,任何復雜的濾波網絡,可由若干簡單的一階與二階濾波電路級聯構成。 第一節 濾波器的基本知識(二)模擬濾波器的頻率特性模擬濾波器的傳遞函數H(s)表達了濾波器的輸入與輸出間的傳遞關系。若濾波器的輸入信號Ui是角頻率為w的單位信號,濾波器的輸出Uo(jw)=H(jw)表達了在單位信號輸入情況下的輸出信號隨頻率變化的關系,稱為濾波器的頻率特性函數,簡稱頻率特性。頻率特性H(jw)是一個復函數,其幅值A(w)稱為幅頻特性,其幅角∮(w)表示輸出信號的相位相對于輸入信號相位的變化,稱為相頻特性。
上傳時間: 2014-12-23
上傳用戶:wutong
高速數字系統設計下載pdf:High-Speed Digital SystemDesign—A Handbook ofInterconnect Theory and DesignPracticesStephen H. HallGarrett W. HallJames A. McCallA Wiley-Interscience Publication JOHN WILEY & SONS, INC.New York • Chichester • Weinheim • Brisbane • Singapore • TorontoCopyright © 2000 by John Wiley & Sons, Inc.speeddigital systems at the platform level. The book walks the reader through everyrequired concept, from basic transmission line theory to digital timing analysis, high-speedmeasurement techniques, as well as many other topics. In doing so, a unique balancebetween theory and practical applications is achieved that will allow the reader not only tounderstand the nature of the problem, but also provide practical guidance to the solution.The level of theoretical understanding is such that the reader will be equipped to see beyondthe immediate practical application and solve problems not contained within these pages.Much of the information in this book has not been needed in past digital designs but isabsolutely necessary today. Most of the information covered here is not covered in standardcollege curricula, at least not in its focus on digital design, which is arguably one of the mostsignificant industries in electrical engineering.The focus of this book is on the design of robust high-volume, high-speed digital productssuch as computer systems, with particular attention paid to computer busses. However, thetheory presented is applicable to any high-speed digital system. All of the techniquescovered in this book have been applied in industry to actual digital products that have beensuccessfully produced and sold in high volume.Practicing engineers and graduate and undergraduate students who have completed basicelectromagnetic or microwave design classes are equipped to fully comprehend the theorypresented in this book. At a practical level, however, basic circuit theory is all thebackground required to apply the formulas in this book.
上傳時間: 2013-10-26
上傳用戶:縹緲
我司是專業PCB樣板制造的生產企業www.syjpcb.com/w 現在我司工程部提供的PCB設計規則要求
上傳時間: 2013-12-17
上傳用戶:fanxiaoqie
橋架設計合理,保證合適的線纜彎曲半徑。上下左右繞過其他線槽時,轉彎坡度要平緩,重點注意兩端線纜下垂受力后是否還能在不壓損線纜的前提下蓋上蓋板。放線過程中主要是注意對拉力的控制,對于帶卷軸包裝的線纜,建議兩頭至少各安排一名工人,把卷軸套在自制的拉線桿上,放線端的工人先從卷軸箱內預拉出一部分線纜,供合作者在管線另一端抽取,預拉出的線不能過多,避免多根線在場地上纏結環繞。拉線工序結束后,兩端留出的冗余線纜要整理和保護好,盤線時要順著原來的旋轉方向,線圈直徑不要太小,有可能的話用廢線頭固定在橋架、吊頂上或紙箱內,做好標注,提醒其他人員勿動勿踩。
標簽: 綜合布線系統
上傳時間: 2013-10-18
上傳用戶:zhangjinzj