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1、兰州交通大学博文学院毕业设计（论文）1.绪论11.1研究的目的和意义11.2对讲系统的发展过程及现状21.3对讲系统发展历程21.4本文的主要内容32.智能小区可视对讲系统32.1智能小区可视对讲系统的工作原理32.2智能小区可视对讲系统的特点和功能42.2.1主要功能42.2.2主要特点52.3系统的工作方式62.4智能小区可视对讲系统的结构的功能及其应用62.4.1智能小区可视对讲系统的结构的功能62.4.2可视对讲系统的应用72.5楼宇对讲的分类82.5.1套装系统82.5.2直按式系统82.5.3一线
2、通系统82.5.4数码系统(两线)82.5.5数码系统（四线）83.智能小区可视对讲系统的总体设计93.1设计的指导思想93.2系统的基本组成93.3系统的工作原理113.4系统的方案的论证113.4.1控制系统选型123.4.2无线系统与有线系统选择123.5系统方案设计123.5.1基于模拟音视频可视对讲系统的设计143.5.2基于TCP/IP的数字型可视对讲系统的设计163.6系统的主要功能184.系统的软件设计204.1楼门控制单元软件设计204.2楼门口机单元软件设计224.3安保室内机单元软件设计
3、244.4本章小结27Thegeneralstaff(1employeesinadditiontovicepresident,director,manager,deputymanagerandspecialpositionsoutsidethecontractperiod)toresign,togive10daysnotice,theprojectmanagerordepartmentmanager,administrativepersonneldepartmentorrelevantresponsiblep
4、ersonfortherelevantvisaafterdepartureprocedures;inadditiontogeneralstaffpersonneloutsidethecontractperiodofturnovermustsubmittheresignationreport,amonthaheadofschedule,theadministrativepersonneldepartment,generalmanagerofvisabeforeseparationprocedures;proba
5、tionemployeesshallpayinadvance5resignationreport,theprojectmanagerordepartmentmanagerandadministrativepersonneldepartmentvisabeforedeparture;positiveafterspecialreasonsdidnotsignacontractwithreferencetogeneralemployeesThroughthestaff17兰州交通大学博文学院毕业设计（论文）Theg
6、eneralstaff(1employeesinadditiontovicepresident,director,manager,deputymanagerandspecialpositionsoutsidethecontractperiod)toresign,togive10daysnotice,theprojectmanagerordepartmentmanager,administrativepersonneldepartmentorrelevantresponsiblepersonfortherele
7、vantvisaafterdepartureprocedures;inadditiontogeneralstaffpersonneloutsidethecontractperiodofturnovermustsubmittheresignationreport,amonthaheadofschedule,theadministrativepersonneldepartment,generalmanagerofvisabeforeseparationprocedures;probationemployeessh
8、allpayinadvance5resignationreport,theprojectmanagerordepartmentmanagerandadministrativepersonneldepartmentvisabeforedeparture;positiveafterspecialreasonsdidnotsignacontractwithreferencetogeneralemploye
