波音737NG（737-600/700/800/900）飞机通讯系统介绍
<P>**** Hidden Message *****</P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体">第九章<SPAN lang=EN-US> </SPAN>甚高频通讯（<SPAN lang=EN-US>VHF</SPAN>）<SPAN lang=EN-US><BR></SPAN>一、<SPAN lang=EN-US> </SPAN>功用：<SPAN lang=EN-US><BR></SPAN>用于飞机与飞机、飞机与地面之间近距离的语音和数字通<SPAN lang=EN-US><BR></SPAN>讯。通过直接波传播。<SPAN lang=EN-US><BR> </SPAN>工作频率范围：<SPAN lang=EN-US>118.00----136.975 MHZ</SPAN>。<SPAN lang=EN-US><BR> </SPAN>飞机装有三套<SPAN lang=EN-US>VHF</SPAN>，其中<SPAN lang=EN-US>VHF3</SPAN>与<SPAN lang=EN-US>ACARS</SPAN>系统配合使用。<SPAN lang=EN-US><BR></SPAN>二、部件功能和位置：<SPAN lang=EN-US><BR>VHF3</SPAN>与<SPAN lang=EN-US>VHF1</SPAN>、<SPAN lang=EN-US>2</SPAN>相比，连接没有了控制板，增加了<SPAN lang=EN-US>ACARS</SPAN>管理组件。管理组件给<SPAN lang=EN-US>VHF3</SPAN>提供：<SPAN lang=EN-US><BR></SPAN></SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体">⑴</SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体">离散输入：接口选择用于设定调协数据源；<SPAN lang=EN-US>PTT</SPAN>数据链；语音<SPAN lang=EN-US>/</SPAN>数据选择。<SPAN lang=EN-US><BR></SPAN></SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体">⑵</SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体">数据输入：音频信号。<SPAN lang=EN-US><BR></SPAN></SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体">⑶</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: Verdana">VHF3</SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体">给管理组件接收的音频信号。<SPAN lang=EN-US><BR></SPAN>四、<SPAN lang=EN-US>VHF</SPAN>控制板：<SPAN lang=EN-US><BR></SPAN>两个频率窗，两个工作灯，一个频率窗转换电门，<SPAN lang=EN-US>2</SPAN>个两层控制的频率选择钮（新式板为一个选择钮）。选择频率间隔为<SPAN lang=EN-US>25KHZ</SPAN>。<SPAN lang=EN-US><BR></SPAN>新<SPAN lang=EN-US>800</SPAN>控制板：<SPAN lang=EN-US><BR></SPAN>新式控制板为<SPAN lang=EN-US>VHF</SPAN>、<SPAN lang=EN-US>HF</SPAN>控制板。有一个正常频率窗，一个备用频率窗，一个转换电门，一个两层频率调整钮，一个<SPAN lang=EN-US>ON/OFF</SPAN>开关，一个<SPAN lang=EN-US>HF</SPAN>灵敏度控制钮和设备选择电门。<SPAN lang=EN-US><BR></SPAN>当频率窗不正常时，故障窗显示<SPAN lang=EN-US>------</SPAN>。<SPAN lang=EN-US><BR></SPAN>只有<SPAN lang=EN-US>VHF3</SPAN>工作在数字状态。<SPAN lang=EN-US><BR><BR><BR></SPAN>第十章<SPAN lang=EN-US> </SPAN>高频系统（<SPAN lang=EN-US>HF</SPAN>）<SPAN lang=EN-US><BR></SPAN>一、<SPAN lang=EN-US> </SPAN>功用：<SPAN lang=EN-US><BR></SPAN>用于飞机与飞机、飞机与地面之间的远距离通讯。它利用<SPAN lang=EN-US><BR></SPAN>电离层对电波的反射实现传播。<SPAN lang=EN-US><BR></SPAN>二、系统说明和部件位置：<SPAN lang=EN-US><BR> 1. </SPAN>系统工作频率：<SPAN lang=EN-US>2----29.999</SPAN>兆赫。<SPAN lang=EN-US><BR> 2. </SPAN>收发机由发射和接收两部分组成，二者共用一个频率合成系统。安装位置<SPAN lang=EN-US>E6</SPAN>。<SPAN lang=EN-US><BR> 3. </SPAN>天线耦合器用来在所选频率上使天线与收发机阻抗匹配。<SPAN lang=EN-US><BR>4. </SPAN>系统使用三相<SPAN lang=EN-US>115 VAC</SPAN>、<SPAN lang=EN-US>400HZ</SPAN>电源。<SPAN lang=EN-US><BR>5</SPAN>．临近电门组件用于记录航段。<SPAN lang=EN-US><BR></SPAN>三．<SPAN lang=EN-US>HF</SPAN>控制板：<SPAN lang=EN-US><BR></SPAN>控制板给收发机信号：<SPAN lang=EN-US><BR>ON/OFF</SPAN>控制；<SPAN lang=EN-US><BR></SPAN>调幅<SPAN lang=EN-US>/</SPAN>单边带选择；<SPAN lang=EN-US><BR></SPAN>射频灵敏度自动增益控制；<SPAN lang=EN-US><BR></SPAN>调谐数据。<SPAN lang=EN-US><BR>1</SPAN>．无线电通讯板：<SPAN lang=EN-US><BR>HF</SPAN>收发机给无线电通讯板提供收发机状态信号，状态有<SPAN lang=EN-US>OK</SPAN>或<SPAN lang=EN-US>FAILED</SPAN>。通讯板给收发机下列信号：<SPAN lang=EN-US><BR></SPAN>设频灵敏度自动增益控制；<SPAN lang=EN-US><BR></SPAN>放大器调制或单边带控制；<SPAN lang=EN-US><BR></SPAN>调谐数据；<SPAN lang=EN-US><BR></SPAN>接口选择（<SPAN lang=EN-US>PORT SELECT</SPAN>）。<SPAN lang=EN-US><BR></SPAN>四．收发机；<SPAN lang=EN-US><BR></SPAN></SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体">⑴</SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: Verdana"> </SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体">输出功率：单边带峰值功率：<SPAN lang=EN-US>400W</SPAN>。调幅平均功率：<SPAN lang=EN-US>125W</SPAN>。<SPAN lang=EN-US><BR> </SPAN></SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体">⑵</SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: Verdana"> </SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体">频率范围：<SPAN lang=EN-US>2---29.999 MHZ</SPAN>，频率间隔<SPAN lang=EN-US>1 KHZ</SPAN>。<SPAN lang=EN-US><BR> </SPAN></SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体">⑶</SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: Verdana"> </SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体">收发机面板上有三个故障灯、一个静噪<SPAN lang=EN-US>/</SPAN>灯测试电门，在发射时，一个机内风扇用于冷却。<SPAN lang=EN-US><BR></SPAN></SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体">⑷</SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: Verdana"> </SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体">安装位置：<SPAN lang=EN-US>E6<BR></SPAN>五<SPAN lang=EN-US>. </SPAN>天线耦合器：<SPAN lang=EN-US><BR> </SPAN></SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体">⑴</SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: Verdana"> </SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体">可以在<SPAN lang=EN-US>4—8</SPAN>秒内自动使天线阻抗与<SPAN lang=EN-US>50Ω</SPAN>传输特性阻抗相匹配，使电压驻波比（<SPAN lang=EN-US>VSWR</SPAN>）小于<SPAN lang=EN-US>1.3</SPAN>：<SPAN lang=EN-US>1</SPAN>。调谐范围是<SPAN lang=EN-US>2—29.999MHZ</SPAN>。<SPAN lang=EN-US><BR> </SPAN></SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体">⑵</SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-family: Verdana"> </SPAN><SPAN style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 宋体">耦合器是密封的，其内部充氮气，压力为<SPAN lang=EN-US>20 PSI</SPAN>，用于防止产生电弧。当压力低于<SPAN lang=EN-US>14.7 PSI</SPAN>时必须充气。<SPAN lang=EN-US><BR> 4. </SPAN>天线：<SPAN lang=EN-US><BR> <BR> <BR></SPAN>第十一章<SPAN lang=EN-US> </SPAN>选择呼叫系统<SPAN lang=EN-US><BR></SPAN>一、<SPAN lang=EN-US> </SPAN>功用：<SPAN lang=EN-US><BR></SPAN>接收来自<SPAN lang=EN-US>VHF</SPAN>、<SPAN lang=EN-US>HF</SPAN>的选择呼叫音频编码，当编码与本机一<SPAN lang=EN-US><BR></SPAN>致时，向机组发出视觉和听觉信号。避免了机组飞行中连续监控公司通讯频道，减轻了机组负担。<SPAN lang=EN-US><BR> </SPAN>每架飞机都有一个特定的<SPAN lang=EN-US>4</SPAN>位选择呼叫编码。<SPAN lang=EN-US><BR></SPAN>二、概述：<SPAN lang=EN-US><BR> </SPAN>选择呼叫系统包括译码器、程序开关组件和音响警告组件。<SPAN lang=EN-US><BR> </SPAN>译码器监控无线电信号，当收到的信号与本机的程序开关编码一致时，送出信号给音响警告继电器和音频选择板。继电器给出<SPAN lang=EN-US>28V</SPAN>电源信号经<SPAN lang=EN-US>REU</SPAN>到音响警告组件。<SPAN lang=EN-US><BR> </SPAN>当出现选择呼叫提醒时，音频控制板上相应的<SPAN lang=EN-US>MIC</SPAN>选择开关灯亮。按压<SPAN lang=EN-US>PTT</SPAN>钮可以使灯复位。<SPAN lang=EN-US><BR></SPAN>三、部件位置：<SPAN lang=EN-US><BR> 1. </SPAN>音频控制板：<SPAN lang=EN-US><BR> 2. </SPAN>选择呼叫编码器：<SPAN lang=EN-US><BR></SPAN>内部有<SPAN lang=EN-US>5</SPAN>个通道，每个通道有各自的放大、滤波、逻辑电路。<SPAN lang=EN-US><BR></SPAN>通道<SPAN lang=EN-US>1-3</SPAN>用于<SPAN lang=EN-US>VHF</SPAN>，通道<SPAN lang=EN-US>4</SPAN>、<SPAN lang=EN-US>5</SPAN>用于<SPAN lang=EN-US>HF</SPAN>。<SPAN lang=EN-US><BR>3</SPAN>．程序开关组件：在译码器后面。<SPAN lang=EN-US><BR>4. </SPAN>音响警告组件：<SPAN lang=EN-US><BR>5</SPAN>．音响警告继电器：前轮舱左侧<SPAN lang=EN-US> J22</SPAN>。<SPAN lang=EN-US><BR> </SPAN>选呼信号由两个长<SPAN lang=EN-US>1</SPAN>秒，间隔<SPAN lang=EN-US>0.2</SPAN>秒的脉冲组成，每个脉冲又由两个不同的音频构成。<SPAN lang=EN-US><BR> <BR><BR></SPAN>第十二章<SPAN lang=EN-US> </SPAN>寻址和报告系统（<SPAN lang=EN-US>ACARS</SPAN>）<SPAN lang=EN-US><BR></SPAN>一、概述：（<SPAN lang=EN-US>3</SPAN>页）<SPAN lang=EN-US><BR>1</SPAN>．飞机寻址和报告系统是数据链通讯系统。它可以在飞机与航空公司基地之间传送信息和报告。<SPAN lang=EN-US><BR></SPAN>飞机给地面的信息或报告称为下传（<SPAN lang=EN-US>DOWNLINK</SPAN>），地面给飞机发送的信息称为上传（<SPAN lang=EN-US>UPLINK</SPAN>）。<SPAN lang=EN-US>ACARS</SPAN>在需要和计划的时间内自动发送报告，这样，减轻了飞行人员负担。<SPAN lang=EN-US><BR>2</SPAN>．典型的<SPAN lang=EN-US>ACARS</SPAN>报告有：<SPAN lang=EN-US><BR></SPAN>机上人员确定的信息。<SPAN lang=EN-US><BR>OUT</SPAN>、<SPAN lang=EN-US>OFF</SPAN>、<SPAN lang=EN-US>ON</SPAN>、<SPAN lang=EN-US>IN</SPAN>时间（<SPAN lang=EN-US>OOOI</SPAN>）。<SPAN lang=EN-US><BR></SPAN>发动机性能。<SPAN lang=EN-US><BR></SPAN>飞机状态。<SPAN lang=EN-US><BR></SPAN>维修项目。<SPAN lang=EN-US><BR>3</SPAN>．<SPAN lang=EN-US>ACARS</SPAN>连接下列系统：<SPAN lang=EN-US><BR>VHF3</SPAN>、打印机、<SPAN lang=EN-US>REU</SPAN>、音频控制板、临近电门组件。<SPAN lang=EN-US><BR></SPAN>临近电门组件用于<SPAN lang=EN-US>OOOI</SPAN>的离散信号。<SPAN lang=EN-US><BR></SPAN>二．面板控制和指示：<SPAN lang=EN-US><BR></SPAN>手柄下的复位按钮用来进行电源测试，当按下按钮时所有的指示灯瞬间亮。<SPAN lang=EN-US><BR>MU PASS</SPAN>灯：绿色，<SPAN lang=EN-US>MU</SPAN>工作正常。<SPAN lang=EN-US><BR>HW FAIL</SPAN>灯：红色，自检探测出<SPAN lang=EN-US>MU</SPAN>故障。<SPAN lang=EN-US><BR>LOAD SW</SPAN>灯：琥珀色，<SPAN lang=EN-US>MU</SPAN>装载软件。<SPAN lang=EN-US><BR>XFER BUSY</SPAN>灯：琥珀色，<SPAN lang=EN-US>MU</SPAN>从软盘或数据装载机下载数据。<SPAN lang=EN-US><BR>XFER COMP</SPAN>灯：绿色，数据装载完成。<SPAN lang=EN-US><BR>XFER FAIL</SPAN>灯：红色，自检探测出数据传输故障。<SPAN lang=EN-US><BR>APM FAIL</SPAN>灯：红色，飞机特性组件中的飞机类型和<SPAN lang=EN-US>MU</SPAN>中的工作方式发生故障。<SPAN lang=EN-US><BR></SPAN>提起并向左边滑动盖板，可以见到<SPAN lang=EN-US>PCM</SPAN>卡插槽<SPAN lang=EN-US><BR></SPAN>三．自检逻辑：<SPAN lang=EN-US><BR></SPAN>连续监控<SPAN lang=EN-US>MU</SPAN>的工作，当有故障时使<SPAN lang=EN-US>“HW FAIL”</SPAN>灯亮。<SPAN lang=EN-US><BR></SPAN>复位按钮启动微处理机的电源试验，按压时，所有的灯都亮。如果系统正常，电源试验完成后，只有<SPAN lang=EN-US>“MU PASS”</SPAN>绿灯亮。</SPAN></P>回复 1# 航空 的帖子
辛苦辛苦，学习学习 波音737NG（737-600/700/800/900）飞机通讯系统介绍 感谢分享，支持楼主 谢谢，非常感谢 好东西。好好学习一下 感謝分享!!!!!!!!!!!!!!!!!!!!!!!!!!
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