題目：古典問題：有一對兔子，從出生后第3個月起每個月都生一對兔子，小兔子長到第三個月后每個月又生一對兔子，假如兔子都不死，問每個月的兔子總數(shù)為多少？ //這是一個菲波拉契數(shù)列問題 public class lianxi01 { public static void main(String[] args) { System.out.println("第1個月的兔子對數(shù): 1"); System.out.println("第2個月的兔子對數(shù): 1"); int f1 = 1, f2 = 1, f, M=24; for(int i=3; i<=M; i++) { f = f2; f2 = f1 + f2; f1 = f; System.out.println("第" + i +"個月的兔子對數(shù): "+f2); } } } 【程序2】 題目：判斷101-200之間有多少個素數(shù)，并輸出所有素數(shù)。 程序分析：判斷素數(shù)的方法：用一個數(shù)分別去除2到sqrt(這個數(shù))，如果能被整除， 則表明此數(shù)不是素數(shù)，反之是素數(shù)。 public class lianxi02 { public static void main(String[] args) { int count = 0; for(int i=101; i<200; i+=2) { boolean b = false; for(int j=2; j<=Math.sqrt(i); j++) { if(i % j == 0) { b = false; break; } else { b = true; } } if(b == true) {count ++;System.out.println(i );} } System.out.println( "素數(shù)個數(shù)是: " + count); } } 【程序3】 題目：打印出所有的 "水仙花數(shù) "，所謂 "水仙花數(shù) "是指一個三位數(shù)，其各位數(shù)字立方和等于該數(shù)本身。例如：153是一個 "水仙花數(shù) "，因為153=1的三次方＋5的三次方＋3的三次方。 public class lianxi03 { public static void main(String[] args) { int b1, b2, b3;
上傳時間： 2017-12-24
上傳用戶：Ariza
When we started thinking about writing the first edition of this book a few years ago, we had been working together for more than five years on the borderline between propagation and signal processing. Therefore, it is not surprising that this book deals with propagation models and design tools for MIMO wireless communications. Yet, this book should constitute more than a simple combination of these two domains. It hopefully conveys our integrated understanding of MIMO, which results from endless controversial discussions on various multi-antenna related issues, as well as various interactions with numerous colleagues. Obviously, this area of technology is so large that it is beyond our aim to cover all aspects in details. Rather, our goal is to provide researchers, R&D engineers and graduate students with a comprehensive coverage of radio propagation models and space–time signal processing techniques for multi-antenna, multi-user and multi-cell networks.
標(biāo)簽： Wireless Networks MIMO
上傳時間： 2020-05-28
上傳用戶：shancjb
When we started thinking about writing this book, we had been working together for more than five years on the borderline between propagation and signal processing.Therefore, it is not surprising that this book deals with propagation models and design tools for MIMO wirelesscommunications.Yet, thisbookshouldconstitutemorethanasimplecombination of these two domains. It hopefully conveys our integrated understanding of MIMO, which results from endless controversial discussions on various multi-antenna related issues, as well as various interactions with numerous colleagues. Obviously, this area of technology is so large that it was beyond our aim to cover all aspects in details. Rather, our goal has been to provide researchers, R&D engineers and graduate students with a comprehensive coverage of radio propagation models and space–time coding techniques.
標(biāo)簽： Communications5 Wireless MIMO
上傳時間： 2020-05-28
上傳用戶：shancjb
European Research Framework programs are public policy instruments designed to strengthen European competitiveness through cooperation. Although they have a fixed time frame, determined research themes, and a specific expected impact, the achievements in research and development (R&D) made by these funded proj- ects pave the way for a research continuum.
標(biāo)簽： Communications Horizons Wireless Mobile New and in
上傳時間： 2020-05-31
上傳用戶：shancjb
European Research Framework Programs are a public policy instrument to strengthen European competitiveness through cooperation. Although they have a fixed timeframe, determined research themes, and specific expected impact, the achievements in research and development (R&D) made by the funded projects pave the way for a research continuum.
標(biāo)簽： New Horizons Mobile Wireless
上傳時間： 2020-05-31
上傳用戶：shancjb
I am presenting this novel book on advances and trends in power electronics and motor drives to the professional community with the expectation that it will be given the same wide and enthusiastic acceptance by practicing engineers, R&D professionals, univer- sity professors, and even graduate students that my other books in this area have. Unlike the traditional books available in the area of power electronics, this book has a unique presentation format that makes it convenient for group presentations that use Microsoft’s PowerPoint software. In fact, a disk is included that has a PowerPoint file on it that is ready for presentation with the core figures. Presentations can also be organized using just selected portions of the book
標(biāo)簽： Electronics Advances Drives Power Motor And
上傳時間： 2020-06-10
上傳用戶：shancjb
It all started rather innocuously. I walked into Dr GT Murthy’s office one fine day, andchanged my life. “Doc” was then the General Manager, Central R&D, of a very largeelectrical company headquartered in Bombay. In his new state-of-the-art electronics center,he had hand-picked some of India’s best engineers (over a hundred already) ever assembledunder one roof. Luckily, he too was originally a Physicist, and that certainly helped me gainsome empathy. Nowadays he is in retirement, but I will always remember him as athoroughly fair, honest and facts-oriented person, who led by example. There were severalthings I absorbed from him that are very much part of my basic engineering persona today.You can certainly look upon this book as an extension of what Doc started many years agoin India … because that’s what it really is! I certainly wouldn’t be here today if I hadn’t metDoc. And in fact, several of the brash, high-flying managers I’ve met in recent years,desperately need some sort of crash course in technology and human values from Doc!
標(biāo)簽： 開關(guān)電源
上傳時間： 2021-11-23
上傳用戶：
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標(biāo)簽： python
上傳時間： 2022-06-06
上傳用戶：
PCB工藝設(shè)計系列之華碩內(nèi)部的PCB設(shè)計規(guī)范1. 問題描述(PROBLEM DESCRIPTION)為確保產(chǎn)品之制造性, R&D在設(shè)計階段必須遵循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)計而重工之浪費(fèi). “PCB Layout Rule” Rev1.60 (發(fā)文字號： 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) ”PCB LAYOUT 基本規(guī)范”:為R&D Layout時必須遵守的事項, 否則SMT,DIP,裁板時無法生產(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零件在未來應(yīng)用逐漸廣泛, 又是SMT生產(chǎn)時是偏移及置件不良的主因,故制造希望R&D及采購在購買異形零件時能顧慮制造的需求, 提高自動置件的比例.(5) “零件包裝建議規(guī)范”:,零件taping包裝時, taping的公差尺寸規(guī)范,以降低拋料率.
標(biāo)簽： pcb工藝
上傳時間： 2022-07-22
上傳用戶：fliang
含t h r e a d x,u c o s 的b s p
標(biāo)簽：
上傳時間： 2015-06-29
上傳用戶：xfbs821
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