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GRE 數(shù)學(xué)圣經(jīng)，下面是詳細(xì)的英文介紹：
Comprehensive Prep for GRE Math
Every year, students pay $1,000 and more to test prep companies to prepare for the math section of the GRE. Now you can get the same preparation in a book.
Although the GRE math section is difficult, it is very learnable. GRE Math Bible presents a thorough analysis of GRE math and introduces numerous analytic techniques that will help you immensely, not only on the GRE but in graduate school as well.
標(biāo)簽：
GRE Math 數(shù)學(xué)
上傳時(shí)間：
2015-08-22
上傳用戶(hù)：東大寺的
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We show in the context of a new economic geography model that when
labor is heterogenous trade liberalization may lead to industrial agglomeration
and inter-regional trade. Labor heterogeneity gives local monopoly
power to firms but also introduces variations in the quality of the job match.
Matches are likely to be better when there are more firms and workers in
the local market, giving rise to an agglomeration force which can offset the
forces against, trade costs and the erosion of monopoly power. We derive
analytically a robust agglomeration equilibrium and illustrate its properties
with numerical simulations
標(biāo)簽：
經(jīng)濟(jì)、城市化和經(jīng)濟(jì)增長(zhǎng)
上傳時(shí)間：
2016-04-02
上傳用戶(hù)：kinda233
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This chapter introduces concepts on cooperating objects and wireless sensor net-
works that will be used in the following chapters. It also introduces the Embedded
WiSeNts Coordination Action. Finally, it presents an overview of the book and the
relations between the following chapters.
標(biāo)簽：
Cooperating
Embedded
Systems
上傳時(shí)間：
2020-05-27
上傳用戶(hù)：shancjb
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Following chapter introduces the mobile communication, gives a short history of wireless
communication evolution, and highlights some application scenarios predestined for the
use of mobile devices. Cellular and wireless based systems related to different generations
of mobile communication, including GSM, IS-95, PHS, AMPS, D-AMPS, cdma2000 and
WCDMA are also described by this Chapter. Much attention in this chapter is given
to express the wireless based networks, such as Wi-Fi and WiBro/WiMax, and wireless
broadcasting systems, including DMB, DVB-H, and ISDB-T. We conclude the chapter
with the future vision of mobile communication evolution
標(biāo)簽：
Technologies
Enhanced
Access
Radio
上傳時(shí)間：
2020-05-27
上傳用戶(hù)：shancjb
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This book on Project Management is intended as a quick reference
covering important aspects of project management that should be understood
by managers in the telecommunications environment.
This book is organized with an introduction, which introduces the value
chain in telecommunications and illustrates the type of project, which one
might encounter in a telecommunications company.
標(biāo)簽：
Telecommunications
Management
Managers
Project
上傳時(shí)間：
2020-05-31
上傳用戶(hù)：shancjb
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In this first part of the book the Vienna Link Level (LL) Simulators are described.
The first chapter provides basics of LL simulations, introduces the most common
variables and parameters as well as the transceiver structures that are applied in
Long-Term Evolution (LTE) and Long-Term Evolution-Advanced (LTEA). We
focus here mostly on the Downlink (DL) of LTE as most results reported in later
chapters are related to DL transmissions.
標(biāo)簽：
LTE-Advanced
Simulators
Vienna
上傳時(shí)間：
2020-06-01
上傳用戶(hù)：shancjb
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This book introduces students to the theory and practice of control systems engineer-
ing. The text emphasizes the practical application of the subject to the analysis and
design of feedback systems.
The study of control systems engineering is essential for students pursuing
degrees in electrical, mechanical, aerospace, biomedical, or chemical engineering.
Control systems are found in a broad range of applications within these disciplines,
from aircraft and spacecraft to robots and process control systems.
標(biāo)簽：
Control
Systems
Engineering
上傳時(shí)間：
2020-06-10
上傳用戶(hù)：shancjb
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Signals convey information. Systems transform signals. This book introduces the mathe-
matical models used to design and understand both. It is intended for students interested
in developing a deep understanding of how to digitally create and manipulate signals to
measure and control the physical world and to enhance human experience and communi-
cation.
標(biāo)簽：
Interpretation
Structure
and
Signals
Systems
of
上傳時(shí)間：
2020-06-10
上傳用戶(hù)：shancjb
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以倉(cāng)庫(kù)智能改造為背景,主要介紹單片機(jī)和上位機(jī)之間通信網(wǎng)絡(luò)和通信協(xié)議的選擇,MODBUS協(xié)議通信指令和功能碼使用,重點(diǎn)闡述了基于RS-485總線的MODBUS通信協(xié)議在上位機(jī)和單片機(jī)之間的串行通信,實(shí)現(xiàn)上位機(jī)對(duì)單片機(jī)設(shè)備的遠(yuǎn)程控制和信息采集的功能。Based on the intelligent warehouse transformation as the background,mainly introduces between MCU and PC communication network and the choice of communication protocol,instruction and the function code using the MODBUS protocol communication,expounds the MODBUS communication protocol based on RS-485 bus serial communication between PC and single chip microcomputer,PC remote control of single chip computer equipment and the function of information collection.
標(biāo)簽：
RS-485總線
modbus
單片機(jī)
上傳時(shí)間：
2022-03-26
上傳用戶(hù)：
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CAN總線是汽車(chē)上應(yīng)用最廣泛的車(chē)載網(wǎng)絡(luò)總線,具有實(shí)時(shí)性強(qiáng)、可靠性高、成本低等優(yōu)點(diǎn)。鑒于此,介紹了一種利用飛思卡爾系列單片機(jī)MC9S12XS128作為控制器,利用其內(nèi)部的MSCAN模塊、CAN收發(fā)器TJA1040等外圍元件進(jìn)行CAN總線通信節(jié)點(diǎn)設(shè)計(jì)。該設(shè)計(jì)能夠?qū)崿F(xiàn)CAN總線數(shù)據(jù)的發(fā)送與接收,可應(yīng)用于汽車(chē)及其他各種CAN總線通信系統(tǒng)。CAN bus is the most widely used on-board network bus in automobiles. It has the advantages of realtime, high reliability and low cost. In view of this,this paper introduces the design of CAN bus communication node by using Freescale MC9S12XS128 as controller,using its internal MSCAN module,CAN transceiver TJA1040 and other peripheral components. This design can realize the sending and receiving of CAN bus data,and can be used in automobile and other CAN bus communication systems.
標(biāo)簽：
單片機(jī)
can總線
通信
上傳時(shí)間：
2022-03-27
上傳用戶(hù)：
