给出了射频ic选取中需要注意的事项，详细地论述了无线半双工通信协议的设计过程和整个系统的电源管理。
Matters needing attention about the choice of the RF IC are given, and the wireless semi-duplex communication protocol and the whole system's power management are presented in detail.
几乎所有的电话保密系统都使用回波抵消技术来实现全双工通信。
The echo cancellation technique is now widely used to implement the full-duplex communication in almost all telephone privacy systems.
一种不涉及应用软件的应用于3g移动通信系统中的处理器双工方法。
A processor duplexing method is applied to a 3g mobile communication system switching operation without involving application software.
使用准同步法，在一对usbISO端点上，成功地实现了实时全双工usb音频通信功能，简化了时钟同步系统的设计。
Using the plesiochronous communication model, implement duplex audio communication functions on twain USB ISO endpoints, simplify the design of clock synch system.
本文介绍了一个高带宽、高效率、高可靠性的光纤通信系统实现，它可以在一对通信光纤上实现两个通信端之间的多虚通道、点对点、全双工通信。
The paper introduces an efficient and reliable fiber communication system, which can implement milted virtual channels, point to point, full duplex communication by means of a pair of fibers.
系统采用半双工式RS- 485总线型通信网络和累加和校验通信算法进行数据传输。
System adopts RS-485 bus communication network which way of communication is half duplexing and accumulate and check-up communication algorithm, which are carried on data transmission.
本发明实施例涉及电子通信领域，尤其是一种基站射频双工器、射频模块和射频系统。
The embodiment of the invention relates to the field of electronic communication, in particular to a base station radio frequency duplexer, a radio frequency module and a radio frequency system.
航空电子全双工交换以太网(AFDX)通信端口作为AFDX端系统提供给应用程序的接口，对于AFDX网络消息的传递有着重要的作用。
As an interface the avionics full-duplex switched Ethernet (AFDX) end-system provide to application program, AFDX communication ports play an important role in AFDX network information transmission.
本发明涉及无线通信领域，公开了一种半双工呼叫的信道控制方法、网络侧装置、用户终端和系统。
The invention relates to the wireless communication field and discloses a channel control method of half-duplex call, a network side device, a user terminal and a system.
时分双工 （TDD）是一种通信系统的双工方式 ，在移动通信系统中用于分离接收和传送信道。
Time Division Duplex (TDD) is a kind of duplex method of communication system, by which uplink and downlink transmissions are time separated in mobile communications.
时分双工 （TDD）是一种通信系统的双工方式 ，在移动通信系统中用于分离接收和传送信道。
Time Division Duplex (TDD) is a kind of duplex method of communication system, by which uplink and downlink transmissions are time separated in mobile communications.
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