datalist:8数据库“tempdb”的事务日志已满，原因为“ACTIVE_TRANSACTION”。   在 System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
   在 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
   在 System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)
   在 System.Data.SqlClient.SqlDataReader.TryConsumeMetaData()
   在 System.Data.SqlClient.SqlDataReader.get_MetaData()
   在 System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString, Boolean isInternal, Boolean forDescribeParameterEncryption, Boolean shouldCacheForAlwaysEncrypted)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, Boolean inRetry, SqlDataReader ds, Boolean describeParameterEncryptionRequest)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
   在 System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
   在 System.Data.SqlClient.SqlCommand.ExecuteReader()
   在 B2b.Shop.ShopBase.GetDataList(Int32 iValue, Int32 iSize, List`1& loValues) 位置 f:\mywork\b2b168\b2bweb\B2bBase\ShopBase.cs:行号 4543datalist:2数据库“tempdb”的事务日志已满，原因为“ACTIVE_TRANSACTION”。   在 System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
   在 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
   在 System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)
   在 System.Data.SqlClient.SqlDataReader.TryConsumeMetaData()
   在 System.Data.SqlClient.SqlDataReader.get_MetaData()
   在 System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString, Boolean isInternal, Boolean forDescribeParameterEncryption, Boolean shouldCacheForAlwaysEncrypted)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, Boolean inRetry, SqlDataReader ds, Boolean describeParameterEncryptionRequest)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
   在 System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
   在 System.Data.SqlClient.SqlCommand.ExecuteReader()
   在 B2b.Shop.ShopBase.GetDataList(Int32 iValue, Int32 iSize, List`1& loValues) 位置 f:\mywork\b2b168\b2bweb\B2bBase\ShopBase.cs:行号 4543datalist:2数据库“tempdb”的事务日志已满，原因为“ACTIVE_TRANSACTION”。   在 System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
   在 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
   在 System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)
   在 System.Data.SqlClient.SqlDataReader.TryConsumeMetaData()
   在 System.Data.SqlClient.SqlDataReader.get_MetaData()
   在 System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString, Boolean isInternal, Boolean forDescribeParameterEncryption, Boolean shouldCacheForAlwaysEncrypted)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, Boolean inRetry, SqlDataReader ds, Boolean describeParameterEncryptionRequest)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
   在 System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
   在 System.Data.SqlClient.SqlCommand.ExecuteReader()
   在 B2b.Shop.ShopBase.GetDataList(Int32 iValue, Int32 iSize, List`1& loValues) 位置 f:\mywork\b2b168\b2bweb\B2bBase\ShopBase.cs:行号 4543datalist:5数据库“tempdb”的事务日志已满，原因为“ACTIVE_TRANSACTION”。   在 System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
   在 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
   在 System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)
   在 System.Data.SqlClient.SqlDataReader.TryConsumeMetaData()
   在 System.Data.SqlClient.SqlDataReader.get_MetaData()
   在 System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString, Boolean isInternal, Boolean forDescribeParameterEncryption, Boolean shouldCacheForAlwaysEncrypted)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, Boolean inRetry, SqlDataReader ds, Boolean describeParameterEncryptionRequest)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry)
   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
   在 System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
   在 System.Data.SqlClient.SqlCommand.ExecuteReader()
   在 B2b.Shop.ShopBase.GetDataList(Int32 iValue, Int32 iSize, List`1& loValues) 位置 f:\mywork\b2b168\b2bweb\B2bBase\ShopBase.cs:行号 4543<!DOCTYPE html>
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<h2>深圳市网进智能科技有限公司是一家车载GPS系统厂家；主要从事车载远程视频监控系统，公司由业内的嵌入式方案商发展而来，是专注于卫星定位技术和视频监控技术高新科技企业。公司主营GPS定位器、车载北斗定位系统、视频监控系统、车载DVR、车载视频监控等产品，广泛应用于平安城市、智慧环卫、智慧渣运、公交校巴、两客一危、运输物流等各种行业车辆。</h2>
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<ul class="jieshao animated zoomIn"><h1>舟山车辆北斗GPS定位 精度误差≤40cm</h1>
<li class="price_con  animated zoomIn">    价格：<i>面议</i></li>

<li class="two animated zoomIn"><font>产品数量：</font><span>99999.00套</span></li>
<li class="two animated zoomIn"><font>发货地址：</font><span>广东省深圳市南山区   &nbsp;</span></li>
<li class="two animated zoomIn linex"><font>关键词：</font><span>舟山车辆北斗GPS定位</span></li>
<li class="two animated zoomIn"><font>发布日期：</font><span>2024-06-22</span></li>
<li class="two animated zoomIn linex"><font>阅 读 量：</font><span>5</span></li>
<li class="san animated zoomIn"><font>销售电话：</font><a class="xsdh">13715272677</a></li>
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<span class="ssx01">工作电压</span><span class="ssx02">8~36V DC</span>
<span class="ssx01">工作电流</span><span class="ssx02">50mA~160mA</span>
<span class="ssx01">GSM网络</span><span class="ssx02">850/900/1800/1900MHz</span>
<span class="ssx01">CDMA网络</span><span class="ssx02">CDMA2000 1X 800MHz</span>
<span class="ssx01">4G网络</span><span class="ssx02">LTE FDD/LTE TDD</span>
<span class="ssx01">通信协议</span><span class="ssx02">UDP/TCP/IP</span>
<span class="ssx01">定位模块</span><span class="ssx02">中科微</span>
<span class="ssx01">通信模块</span><span class="ssx02">高新兴/中移物联</span>
<span class="ssx01">灵敏度</span><span class="ssx02">-159dBm</span>
<span class="ssx01">定位频率</span><span class="ssx02">L1, 1575.42 MHz</span>
</div>
随着北斗系统建设和服务能力的发展，相关产品已广泛应用于交通运输、海洋渔业、水文监测、气象预报、测绘地理信息、森林防火、通信时统、电力调度、救灾减灾、应急搜救等领域，逐步渗透到人类社会生产和人们生活的方方面面，为**经济和社会发展注入新的活力。<br/>中国北斗卫星导航系统（英文名称：BeiDou&nbsp;Navigation&nbsp;Satellite&nbsp;System，简称BDS）是中国自行研制的**卫星导航系统，也是继GPS、GLONASS之后的*三个成熟的卫星导航系统。北斗卫星导航系统（BDS）和美国GPS、俄罗斯GLONASS、欧盟GALILEO，是卫星导航会已认定的供应商。<br/><img style="margin: auto;clear: both;display: block" src="//l.b2b168.com/2021/03/10/22/20210310223849972074.jpg" alt="舟山车辆北斗GPS定位"/><br/>北斗卫星导航系统由空间段、地面段和用户段三部分组成，可在**范围内全天候、全天时为各类用户提供高精度、高可靠定位、导航、授时服务，并且具备短报文通信能力，已经初步具备区域导航、定位和授时能力，定位精度为分米、厘米级别，测速精度0.2米/秒，授时精度10纳秒。<br/><img style="margin: auto;clear: both;display: block" src="//l.b2b168.com/2021/03/10/22/202103102238497238474.jpg" alt="舟山车辆北斗GPS定位"/><br/>北斗定位安装注意事项：<br/>1、安装时注意不要用手或身体接触SIM卡的金属部分，以免静电将SIM卡击坏；<br/>2、安装时一定要仔细对照图纸进行接线，并且仔细核对接线处是否牢固可靠，确定所有线准确无误后方可插入对应端子；<br/>3、安装天线时要扭紧，并且天线走线时不要受到严重挤压损伤到屏蔽层或者导致天线短路，同时注意和GPRS天线不要接错；<br/>4、连接线、手柄连接线、连接线、GPRS天线连接线走线避免高温高热地方，同时尽量避开强电场、磁场的地方<br/><img style="margin: auto;clear: both;display: block" src="//l.b2b168.com/2021/03/10/22/202103102238499990214.jpg" alt="舟山车辆北斗GPS定位"/><br/>适用于驾驶员驾驶行为分析，以下参数供参考。<br/>•&nbsp;标定：设备每次启动后都需要标定。<br/>•&nbsp;标定条件：车辆保持30km/h以上的行驶速度，识别到清晰的人脸，标定过程20秒左右。<br/>•&nbsp;标定标记：未定位-人脸框为蓝色，开始标定-人脸框为白色（有语音提示），标定成功-人脸框为绿色（有语音提示）。<br/>一、疲劳驾驶预警；二、分心驾驶预警；三、打电话和抽烟预警；四、未系安全带预警；五、摄像头遮挡预警；六、驾驶员面部识别<br/>深圳市磐一安视科技有限公司研发根据客户需要研发生产各类价格品质可靠，价格低廉的AHD摄像头，其中深度防水头AHD720p高清摄像头可长期浸入深水15米以下。<br /><a href="http://voozzy.b2b168.com/">http://voozzy.b2b168.com</a>

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