中英文文献翻译—433MHz单片射频无线收发芯片nRF401

英文资料中文翻译

433MHz单片射频无线收发芯片nRF401

特性：

●采用FSK调制单片收发芯片

●只需少数外围元件

●无需建立配置

●无需数据编码

●传输速率最高可达20kbit/s

●双频道切换

●应用范围广泛

●功率损耗低

●可选待机模式

应用：

●安全防火系统

●自动计量、读取器

●家庭自动化

●遥控

●监视

●车用

●遥感勘测

●玩具

●无线通信

概述

nRF401是一种可靠的超高频单片无线收发芯片，用于国际通用的数传频段433MHz。它的特性是FSK调制和FSK解调。nRF401工作速度可达20kbit/s，最大输出功率能达到10dBm。天线接口是一组差动的、低成本PCB天线。nRF401的特性之一是采用待机模式，它存储容易且有效。nRF401使用+3～+5V直流电源。

作为一种主应用产品，nRF401符合欧洲电信协会标准规则，被计划用于超高频无线设备。

nRF401快速参考数据

表1 nRF401快速参考数据

nRF401资料排序

表2 nRF401资料排序

框图

图1 nRF401外围元件框图

引脚功能

表3 引脚功能

电气规范

条件：VDD=±3V DC， VSS=0V， TA=-25℃～+85℃

表4 电气规范绝对最大额定值：

电源电压VDD：-0.3～+6V VSS：0V

输入电压V

I

：-0.3～VDD+0.3V

输出电压V

o

: -0.3～VDD+0.3V

电源损耗P

D (T

A

=25℃):250mA

温度工作状态温度-25℃～+85℃待机状态温度-40℃～+125℃附注：应力超过额定值可能对装置引起永久性破坏。

注意：禁止用手接触静电敏感装置。

引脚分配

图2 引脚分配

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毕业设计说明书 英文文献及中文翻译 学院：专 2011年6月 电子与计算机科学技术软件工程

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电子信息工程文献专业英语中英互译

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a ," , , , . a ( , , , ). . . , , a . $50 . Birmingham, England, 2000. 1995, Delphi, 7596 . 37 10 , . a . , a a , a , a , a a a . a a , a . , , . , , , . a , , , . , , a . : . . 电子动力转向系统 电子动力转向系统是什么? 电子动力转向系统是通过一个电动机来驱动动力方向盘液压泵或直接驱动转向联动装置。电子动力转向的功能由于不依赖于发动机转速，所以能节省能源电子动力转向系统是怎么运行？： 传统的动力方向盘系统使用一条引擎辅助传送带驾驶气泵，提供操作在动力方向盘齿轮或作动器的一个活塞协助驱动的被加压的流体。在电动液压的控制，一个电子动力方向盘包括一台电动机控制的一个高效率泵浦。由一个电控制器调控泵浦压力和流速来控制泵浦的速度，为不同的驾驶路况的提供转向。泵浦可以在汽车行驶低速时关闭以提供节能（在当代的世界市场上)。 电动控制转向使用电动机通过齿轮齿条机构直接连接以达到转向控制（无泵或液体）。多个电机驱动器和多驱动控制的实现是可能的。一个微处理器控制转向动态和驱动的工作。输入因子包括车速，转向，车轮扭矩，角度位置和转率。

外文翻译中英对照版

VOLUME 30 ISSUE 2 October 2008 Journal of Achievements in Materials and Manufacturing Engineering Copyright by International OCSCO World Press. All rights reserved.2008 151 Research paper 2008年十月期2卷30 材料与制造工程成果期刊 版权所有：国际OCSCO 世界出版社。一切权利保有。2008 ？？151研究论文 1. Introduction Friction stir welding (FSW) is a new solid-state welding method developed by The Welding Institute (TWI) in 1991 [1]. The weld is formed by the excessive deformation of the material at temperatures below its melting point, thus the method is a solid state joining technique. There is no melting of the material, so FSW has several advantages over the commonly used fusion welding techniques [2-10]. 1.导言摩擦搅拌焊接（FSW）是焊接学？会于1991年研发的一种新型固态焊接方法。这种焊接？是由材料在低于其熔点的温度上过量变形形成，因此此技术是一种固态连接技术。材料不熔化，所以FSW 相比常用的熔化焊接技术有若干优势。例如，在焊接区无多孔性或破裂，工件（尤其薄板上）没有严重扭曲，并且在连接过程中不需要填料、保护气及昂贵的焊接准备there is no significant distortion of the workpieces (particularly in thin plates), and there is no need for filler materials, shielding gases and costly weld preparation during this joining process. FSW被认为是对若干材料例如铝合金、镁合金、黄铜、钛合金及钢最显著且最有潜在用途的焊接技术FSW is considered to be the most remarkable and potentially useful welding technique for several materials, such as Al-alloys, Mg-alloys, brasses, Ti-alloys, and steels [1-16]. 然而，在FSW过程中，用不合适的焊接参数能引起连接处失效，并且使FSW连接处的力学性能恶化。However, during FSW process using inappropriate welding parameters can cause defects in the joint and deteriorate the mechanical properties of the FSW joints [2, 3]. 此技术起初就主要是为低熔点材料如铝合金、镁合金及铜合金而广泛研究的。The technique has initially been widely investigated for mostly low melting materials, such as Al, Mg and Cu alloys. 此技术已被证明是很有用的，尤其在连接用于航空航天用途的如高合金2XXX及7XXX系列铝合金等难熔高强度的铝合金。It has proven to be very useful, particularly in the joining of the difficult-to-fusion join high strength Al-alloys used in aerospace applications, such as highly alloyed 2XXX and 7XXX series aluminium alloys. 做出Al-5086 H32型板摩擦搅拌对焊的高强度、抗疲劳及断裂的力学性能？。The difficulty of making high-strength, fatigue and fracture resistant Mechanical properties of friction stir butt-welded Al-5086 H32 plate G. .am a,*, S. Gü.lüer b, A. .akan c, H.T. Serinda. a a Mustafa Kemal University, Faculty of Engineering and Architecture, 31040 Antakya, Turkey a 土耳其安塔卡亚31040，Mustafa Kemal大学建筑工程系 b General Directorate of Highways of Turkey, Ankara, Turkey b 土耳其安卡拉土耳其高速公路总理事会？ c Abant Izzet Baysal University, Faculty of Engineering an d Architecture, 14280 Bolu, Turkey c 土耳其Bolu 14280 Abant Izzet Baysal 大学建筑工程系 * Corresponding author: E-mail address: gurelcam@https://www.sodocs.net/doc/c215348093.html, *相关作者电子邮箱地址：gurelcam@https://www.sodocs.net/doc/c215348093.html, Received 30.06.2008; published in revised form 01.10.2008

仪表板外文文献翻译、中英文翻译、外文翻译

Dashboard From Wikipedia, the free encyclopedia This article is about a control panel placed in the front of the car. For other uses, see Dashboard (disambiguation). The dashboard of a Bentley Continental GTC car A dashboard (also called dash, instrument panel (IP), or fascia) is a control panel located directly ahead of a vehicle's driver, displaying instrumentation and controls for the vehicle's operation. Contents 1.Etymology 2.Dashboard features 3.Padding and safety 4.Fashion in instrumentation 5.See also 6.References Etymology Horse-drawn carriage dashboard Originally, the word dashboard applied to a barrier of wood or leather fixed at the front of a horse-drawn carriage or sleigh to protect the driver from mud or other debris "dashed up" (thrown up) by the horses' hooves.[1] Commonly these boards did not perform any additional function other than providing a convenient handhold for ascending into the driver's seat, or a small clip with which to secure the reins when not in use. When the first "horseless carriages" were constructed in the late 19th century, with engines mounted beneath the driver such as the Daimler Stahlradwagen, the simple dashboard was retained to protect occupants from debris thrown up by the cars' front wheels. However, as car design evolved to position the motor in front of the driver, the dashboard became a panel that protected vehicle occupants from the heat and oil of the engine. With gradually increasing mechanical complexity, this panel formed a convenient location for the placement of gauges and minor controls, and from this evolved the modern instrument panel,