CAJ | 학술논문

对广播发射机播出质量和效果的监测,是确保广播节目播出不间断、高质量播出的技术保障;本文简要介绍了NRD-545超外差式调幅接收机的工作原理,对该接收机功能、特点及主要电路进行了分析探讨;针对发射机自台播出频率的开路监测,如:发射机出现的停、劣播时声、光、电报警提示,广播节目信号监测、报警信息的获取、存储、查询等,论述了基于Visual C++设计开发的NRD-545接收机监测和记录数据的软件系统的设计与应用,实现了发射台运维模式的转变,满足了远程开路监测的需求.
대엄파발사궤파출질량화효과적감측,시학보엄파절목파출불간단、고질량파출적기술보장;본문간요개소료NRD-545초외차식조폭접수궤적공작원리,대해접수궤공능、특점급주요전로진행료분석탐토;침대발사궤자태파출빈솔적개로감측,여:발사궤출현적정、렬파시성、광、전보경제시,엄파절목신호감측、보경신식적획취、존저、사순등,논술료기우Visual C++설계개발적NRD-545접수궤감측화기록수거적연건계통적설계여응용,실현료발사태운유모식적전변,만족료원정개로감측적수구.
Broadcast transmitter for broadcast quality and effectiveness of monitoring is to ensure uninterrupted broadcast radio programs, broadcast-quality technical support;This paper describes the working principle of NRD-545 AM superheterodyne re-ceiver, the receiving machine functions, features and main circuit are analyzed and discussed;for the transmitter from the open aired monitoring frequencies, such as:a transmitter stopped appearing, when sowing bad sound, light, electricity, alarm, broad-cast program signal monitoring, alarm information acquisition, storage, query, discusses the design and application based on Vis-ual C++design and development of NRD-545 receiver software to monitor and record data of the system to achieve a shift transmitting station operation and maintenance mode, and meet the need of an open remote monitoring.