网络信道基于跳频和扩频超短波电台。
Network channel is base on frequency hopping and spectrum spread radio stations.
由于水文自然环境的限制,传统测报主要使用数传仪、超短波电台等测报设备。
Limited to the environment, the traditional used hydrologic telemetric equipments are Data transmitter and ultrashort wave transmitter-receiver.
提出了将波束成形技术应用于超短波电台,以提高天线增益和系统抗侦收能力。
The beam forming technique is used in the UHF radio for improving antenna gain and system anti-interception.
超短波无线通信是近海渔业的主要通信方式之一,超短波电台是近海渔业通信中使用的主要通信设备。
VHF radio communication is one of the main communication methods of offshore fishing, and VHF radio is the major communication equipment used in offshore fishery communications.
同时,在超短波电台基础上,设计了一种扩展通信设备,实现了系统无线通信质量和容量的进一步提升。
Simultaneity, an equipment of the expand application of VHF station has been gived to enhance the quality and capacity of the radio communication net of system.
为实现便携式超短波电台节电目的,从降低静态和动态功率消耗两方面,提出了某型电台节电改造方案。
In order to realize power saving of portable VHF radio, a power saving alteration plan is proposed for a radio based on reducing static and dynamic power consumption.
并对样机的发射波束成形方向图进行了测试,结果表明超短波电台能够采用波束成形技术,并具有很广的应用前景。
The antenna patterns of beam forming are measured. The result demonstrates that the beam forming technique can be used in the VHF radio with wide application in the future.
本课题来自军事开发项目——数字化超短波跳频电台,主要用于海军舰艇之间的数据通信。
This subject comes from a military development project - Digital VHF FH Radio Set, and it is mainly used for the data communication between navy vessels.
介绍了超短波通信电台射频功放功率保护控制电路的功用和工作原理,并给出了原理电路。
This paper introduces the application and principle of RF power amplifier's safeguard and control circuit in ultra short communication radio. The principle circuit is given.
介绍了超短波通信电台射频功放功率保护控制电路的功用和工作原理,并给出了原理电路。
This paper introduces the application and principle of RF power amplifier's safeguard and control circuit in ultra short communication radio. The principle circuit is given.
应用推荐