LIKE SO MANY OTHERS , THIS BOOK WAS WRITTEN BECAUSE WE COULDN ’ T FIND ONE LIKE IT . We needed something to hand to all of those people who have come to us asking for “a good book to read on RFID.” When we looked for candidates we found some great books, but most were aimed at electrical engineers or top-level managers, with very little for those of us who are in between. This book is for developers, system and software architects, and project managers, as well as students and professionals in all of the industries impacted by Radio Frequency Identification (RFID) who want to understand how this technology works. As the title suggests, this book is about RFID in general and not just the most recent developments; however, because so much is going on in the area of RFID for the supply chain and especially the Electronic Product Code (EPC), we have devoted consider- able space to these topics. Regardless of the type of RFID work you may be doing, we think you will find something useful here.
標(biāo)簽： Essentials RFID
上傳時(shí)間： 2020-06-08
上傳用戶：shancjb
Have you ever looked at some gadget and wondered how it really worked? Maybe it was a remote control boat, the system that controls an elevator, a vending machine, or an electronic toy? Or have you wanted to create your own robot or electronic signals for a model railroad, or per- haps you’d like to capture and analyze weather data over time? Where and how do you start?
標(biāo)簽： Introduction Workshop Hands-On Arduino
上傳時(shí)間： 2020-06-09
上傳用戶：shancjb
There’s a story (it’s either an old vaudeville joke or a Zen koan) in which a fisherman asks a fish, “What’s the water like down there?” and the fish replies “What is water?” If the story is just a joke, the point is to make us laugh; but if it’s a koan, the point is that the most obvious and ubiquitous parts of our immediate environ- ment are, paradoxically, often the easiest to overlook.
標(biāo)簽： Atmospheric Monitoring Arduino With
上傳時(shí)間： 2020-06-09
上傳用戶：shancjb
Extensively rewritten to present the C++11 language, standard library, and key design techniques as an integrated whole, Stroustrup thoroughly addresses changes that make C++11 feel like a whole new language, offering definitive guidance for leveraging its improvements in performance, reliability, and clarity. C++ programmers around the world recognize Bjarne Stoustrup as the go-to expert for the absolutely authoritative and exceptionally useful information they need to write outstanding C++ programs. Now, as C++11 compilers arrive and development organizations migrate to the new standard, they know exactly where to turn once more: Stoustrup's C++ Programming Language, Fourth Edition.Bjarne Stroustrup是C++的設(shè)計(jì)師和最早的實(shí)現(xiàn)者，也是《C++程序設(shè)計(jì)語言》、《帶標(biāo)注的C++參考手冊(cè)》和《C++語言的設(shè)計(jì)與演化》的作者。他從丹麥Aarhus大學(xué)和英國(guó)牛津大學(xué)畢業(yè)，現(xiàn)在是AT&T大規(guī)模程序設(shè)計(jì)研究部的負(fù)責(zé)人，AT&T特別成員，AT&T貝爾實(shí)驗(yàn)室特別成員，以及ACM特別成員。Stroustrup的研究興趣包括分布式系統(tǒng)、操作系統(tǒng)、模擬、設(shè)計(jì)和程序設(shè)計(jì)。他也是Addison·Wesley的C++In-Depth系列書籍的編輯。
標(biāo)簽： C++
上傳時(shí)間： 2022-02-01
上傳用戶：
The PW2601 is a charger front-end integrated circuit designed to provide protection to Li-ionbatteries from failures of charging circuitry. The device monitors the input voltage, battery voltageand the charging current to make sure all three parameters are operated in normal range. Thedevice will switch off internal MOSFET to disconnect IN to OUT to protect load when any of inputvoltage, output current exceeds the threshold. The Over temperature protection (OTP) functionmonitors chip temperature to protect the device. The PW2601 also can protect the system’sbattery from being over charged by monitors the battery voltage continuously. The deviceoperates like a linear regulator, maintaining a 5.1V output with input voltages up to the input overvoltage threshold.The PW2601 is available in DFN-2x2-8L package. Standard products are Pb-free and Halogenfree
標(biāo)簽： pw2601
上傳時(shí)間： 2022-02-11
上傳用戶：
This Getting Started Guide is written for Maxwell beginners and experienced users who would like to quickly re familiarize themselves with the capabilities of MaxwelL.This guide leads you step-by-step through solving and analyzing the results of a rotational actuator magnetostatic problem with motion By following the steps in this guide, you will learn how to perform the following tasks Modify a models design parameters y Assign variables to a model's design parameters.Specify solution settings for a design Validate a designs setupRun a maxwell simulation v Plot the magnetic flux density vecto v Include motion in the simulation本《入門指南》是為希望快速重新熟悉MaxwelL功能的Maxwell初學(xué)者和有經(jīng)驗(yàn)的用戶編寫的。本指南將引導(dǎo)您逐步解決和分析旋轉(zhuǎn)致動(dòng)器靜運(yùn)動(dòng)問題的結(jié)果。按照本指南中的步驟，您將學(xué)習(xí)如何執(zhí)行以下任務(wù)。修改模型設(shè)計(jì)參數(shù)y將變量分配給模型的設(shè)計(jì)參數(shù)。指定設(shè)計(jì)的解決方案設(shè)置驗(yàn)證設(shè)計(jì)設(shè)置運(yùn)行maxwell模擬v繪制磁通密度vecto v在模擬中包含運(yùn)動(dòng)
上傳時(shí)間： 2022-03-10
上傳用戶：
電子書-RTL Design Style Guide for Verilog HDL540頁A FF having a fixed input value is generated from the description in the upper portion of Example 2-21. In this case, ’0’ is output when the reset signal is asynchronously input, and ’1’ is output when the START signal rises. Therefore, the FF data input is fixed at the power supply, since the typical value ’1’ is output following the rise of the START signal. When FF input values are fixed, the fixed inputs become untestable and the fault detection rate drops. When implementing a scan design and converting to a scan FF, the scan may not be executed properl not be executed properly, so such descriptions , so such descriptions are not are not recommended. recommended.[1] As in the lower part of Example 2-21, be sure to construct a synchronous type of circuit and ensure that the clock signal is input to the clock pin of the FF. Other than the sample shown in Example 2-21, there are situations where for certain control signals, those that had been switched due to the conditions of an external input will no longer need to be switched, leaving only a FF. If logic exists in a lower level and a fixed value is input from an upper level, the input value of the FF may also end up being fixed as the result of optimization with logic synthesis tools. In a situation like this, while perhaps difficult to completely eliminate, the problem should be avoided as much as possible.
標(biāo)簽： RTL verilog hdl
上傳時(shí)間： 2022-03-21
上傳用戶：canderile
Mathematical modeling has become an important part of the research and devclopment work in engineering and scicnce. Retaining a competitive edge requiresa fast path between ideas and prototypes, and in this regard mathematical modeling and simulation provide a valuable shortcut for understanding both qualitative and quantitative aspects of scientific and engineering design. To assist you in gaining this edge, COMSOL Multiphysics offers state-of-the art performance, being built from the ground up with a Java3D interface and C/C++ solvers.The Acoustics Module is an optional package that extends the COMSOL Multiphysicsmodcling cnvironment with customized user interfaces and functionality optimizcd for the analysis of acoustics. Like all modules in the COMSOL family, it provides a brary of prewritten ready-to-run models that make it quicker and casier to analyze disciplinc-specific problcms.
上傳時(shí)間： 2022-06-19
上傳用戶：
論文首先研究了基于Har-like特征和Adaboost分類器的目標(biāo)車輛探測(cè)算法原理和參數(shù)設(shè)置，并利用車載攝像頭采集真實(shí)道路車輛圖像，建立車輛樣本數(shù)據(jù)庫，訓(xùn)練車輛分類器，實(shí)現(xiàn)對(duì)道路車輛的探測(cè)，并對(duì)探測(cè)效果進(jìn)行量化分析。針對(duì)在車輛探測(cè)過程中誤檢率較高、探測(cè)不連續(xù)以及檢測(cè)框不穩(wěn)定的現(xiàn)象，對(duì)基于無跡卡爾曼濾波器的車輛跟蹤算法進(jìn)行了研究，建立了車輛相對(duì)運(yùn)動(dòng)模型，對(duì)真實(shí)道路交通場(chǎng)景中的多目標(biāo)車輛進(jìn)行探測(cè)與跟蹤，并對(duì)跟蹤算法對(duì)探測(cè)性能提升的效果和原因進(jìn)行了深入分析。在單目測(cè)距中，針對(duì)一般測(cè)距算法受車輛俯仰角和攝像頭畸變影響很大的缺點(diǎn)，利用PreScan仿真軟件，對(duì)車輛測(cè)距算法進(jìn)行了改進(jìn)，提山了一個(gè)同時(shí)考慮車輛俯仰角和攝像頭畸變等參數(shù)的測(cè)距模型，以及一種將攝像頭內(nèi)參與外參分開標(biāo)定的新方法，最后利用場(chǎng)地實(shí)驗(yàn)利真實(shí)道路交通場(chǎng)景對(duì)模型的測(cè)距精度、參數(shù)靈敏度進(jìn)行量化分析。研究了僅利用圖像信息估算車輛間碰撞時(shí)間的方法，利用PreScan仿真軟件，對(duì)車輛碰撞時(shí)間估算算法進(jìn)行了改進(jìn)，建立了一個(gè)考慮車間相對(duì)加速度碰撞時(shí)間估算模型，最后，利用真實(shí)道路交通視頻對(duì)算法進(jìn)行驗(yàn)證和分析。最后，介紹了利用仿真軟件輔助ADAS開發(fā)的方法，在虛擬的開發(fā)環(huán)境中建立了以真實(shí)攝像頭物理參數(shù)為依據(jù)的攝像頭仿真模型、交通場(chǎng)景，實(shí)現(xiàn)了對(duì)單目測(cè)距和碰撞時(shí)間估算算法的驗(yàn)證和改進(jìn)。實(shí)驗(yàn)結(jié)果表明，論文中所建立的算法表現(xiàn)出良好的性能，所構(gòu)建的基于PreScan的仿真平臺(tái)能有效地提高算法的開發(fā)效率.
標(biāo)簽： adas系統(tǒng) 目標(biāo)車輛感知算法
上傳時(shí)間： 2022-06-21
上傳用戶：d1997wayne
Simulation can provide a lot of information about what the system is doing. We canadd the effect of different element, like Encoder resolution, ADC sampling rate, etc and understand how does it affect the system. Another benefit is the possibility to slow down the process, to gain insight on what happens of fast systems or, vice versa, speed up slow process.Because National Instruments is a unique company in the fact the we provide a fullhardware solution couple with a full development platform, we can use this tools in very particular ways For example, it is possible to combine the LabVIEW Control Design and Simulation Module along with the FPGA module to quickly prototype a controller. One of the main benefits of this approach is that there is no need to compile the FPGA code, which allows for a quick algorithm design turnaround and debugging.
標(biāo)簽： pid控制
上傳時(shí)間： 2022-07-20
上傳用戶：
蟲蟲下載站版權(quán)所有 京ICP備2021023401號(hào)-1
