收发器

The selection of the data transmission scheme is carried out during an active communication link between the first and a second transceiver unit.

在第一和第二收发器单元之间的活动通信链路期间执行对数据发送方案的选择。

It is sure that CMOS process will be replacing the III-V compound process such as gallium arsenide or silicon bipolar process that were dominant in the fields of radio frequency and microwave.

采用CMOS工艺进行射频电路设计的一个好处是，使得模拟射频收发器电路和基带信号处理电路由同种工艺实现，迎合了单片系统集成的发展趋势。

An equipment for mixed use of wide-band ADSL and marrow-band cards features that associated LVDS transceiver and on-board connector are installed to ATVC card and WAN card. The high-speed wide band ADSL data line can use LVDS mode to conveniently realize the mixed use of wide-band ADSL and ordinary analog user card on narrow-band speech exchange or the ONU rack of optical network unit. It is connecessary to modify the backplate of POTS and machine rack. The existing narrow-band device can be upgraded to have wide-band access function.

本发明提供了一种宽带ADSL和窄带用户板混插的装置，通过在ATUC板和WAN板上提供相应的LVDS收发器和板上连接器，高速宽带ADSL数据通过背板外LVDS走线方式，可以在普通窄带话音交换机或接入网光网络单元ONU的机框上，方便地实现宽带ADSL与普通模拟用户板之间的混插，这种方法不需要对窄带话音POTS的背板和机框作任何改动，即可实现窄带到宽带的平滑过渡，对已有窄带设备可提供随时升级为宽带数据接入功能的方法及设备。

It emphasized on the transmission principle of the information in the communication net, and emphasized on the realization method how to modulate and demodulate in the line transceiver.

文中着重分析了通信网中信息传输的基本原理，线路收发器中信息的调制与解调的过程和实现方法。

It combines all the functions of a high-speed switch systemCincluding packet buffer, PHY transceivers, media access controllers, address management and a non-blocking switch fabricCinto a single 0.22um CMOS device.

它结合了高速systemCincluding包缓冲，开关的所有功能的PHY收发器，媒体接入控制器，地址管理和无阻塞交换fabricCinto一个0.22um CMOS器件。

This paper considers the linear transceiver optimization problem for multi-carrier multiple-input multipleoutput channels with per-antenna power constraints.

本文讨论线性收发器的优化问题。在多载波多输入的渠道，每个天线功率的限制。

Our company was founded in 1996, is a sale of communications equipment and cable businesses, the company's main products include: Optical series; protocol converter series; optical transceiver; light MODEN; cable boxes and follow-up; telephone cable and a variety of fiber optic cable and related equipment; optical fiber, digital, audio patch panel equipment; photoelectric transfer me; fiber-optic connectors and adapters; photoelectric series products; light, digital measurement instruments, gauges and maintenance; Shrinkable Tube ; optical passive device series; crystal top range of communications products.

我公司成立于1996年，是一家销售通信设备及线缆的企业，公司主营产品包括：光端机系列；协议转换器系列；光纤收发器；光MODEN；光缆接续盒及终端盒；市话电缆及各种光缆及相关器材设备；光纤、数字、音频配线架设备系列；光电交接箱；光纤连接器及适配器；光电系列产品；光、数字测量仪器、仪表及维修；热缩管；光无源器件系列；水晶头等一系列通信产品。

These features allow the Astoria controller to connect to any embedded processor or DSP, bringing MLC NAND support to new applications including portable media players, wireless cards, dongles, portable navigation devices, digital cameras, POS terminals and more.

上述特性可使 Astoria 控制器连接到任何嵌入式处理器或 DSP，为便携式媒体播放器、无线网卡、收发器、便携式导航设备、数码相机、POS 终端等各种新型应用提供 MLC NAND 支持。

Company's main product: optical cable, optical transceiver, video frequency/audio frequency optical transceiver, optical fiber distribution frames, optical cable box, optical cable joint box, fiber optical termination box, optical fiber bouncing lining, adapter, optical attenuator, optical splitter, etc.

公司主要产品有：光缆、光纤收发器、视音频光端机、光纤配线架、光缆交接箱、光缆接续盒、光缆终端盒、单模/多模光纤跳线、适配器、光衰减器等。

Mainly introduced one kind of 200 card generation dials, the realization user picks the machine-hour to dial 200 automatically and 3, account number, password; The system take the monolithic computer as a core, its main hardware module by microprocessor AT89C2051, EEPROM24C02, double sound multi-frequency transceiver MT8880 and so on is composed.

主要介绍一种200卡代拨器，实现用户摘机时自动拨打200和3，帐号，密码；系统以单片计算机为核心，其主要硬件模块由微处理器AT89C2051、EEPROM24C02、双音多频收发器MT8880等组成。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。