Base Band

This paper introduces a kind of data transmission system consisted of base band pulse code transmission way-AMI pulse code and series communication port of mcs-51 singlechip microcomputer in oil prospecting logging tool.

介绍双侧向石油勘探测井仪中，一种以MCS-51系列单片机的串行通信口为核心，采用基带脉冲编码传输一双极性归零脉冲码传输方式构成的数据传输系统。

The basic theory of shaping filter, used in digital base-band signals, is presented in the paper.

介绍了数字基带信号成形滤波的基本原理.

In the second part of this paper how a dual-band base station antenna baffle-board is studied.

论文的第二部分是对双频基站天线的反射板进行了研究。

Base Band Signal Processing for Sub Station of Satellite Data Collecting System

卫星数据采集系统远端站基带信号处理

Base Band Interpolator Pulse Shaping ( BBIPS ) filter is a key component of all digital modulator.

基带内插脉冲成形(BBIPS ) 滤波器是全数字调制器的核心模块之一.

Digital Base Band Transmission System And Analysis of Its Error Codes;

数字通信系统有基带传输和频带传输两种传输方式。

The designed DCXO adopts Pierce architecture. The frequency drift correction is done by using a 6-bit automatic frequency control ( AFC) signal generated by the feedback correction loop between the oscillator and the base band. The long term stable frequency output has been obtained.

所设计的数控晶体振荡器采用Pierce结构，利用基带与振荡器的反馈环路产生的6位自动频率控制信号，对振荡器的频率漂移进行校准，能得到长期稳定的频率输出。

Then we perform digital pre-compensation method, which can be used in the processing of base band signal to reject image frequency and protect carrier leak to meet the application purpose.

然后采用对基带信号的数字预补偿方法来抑制镜像频率和载波泄漏，从而达到应用的目的。

WLAN chipset consists of three modules: radio module, base band process module and MAC module.

无线局域网芯片组一般分为三个模块：射频模块、基带处理模块和媒体控制模块。

In this paper, a complete scheme is proposed for El Wireless Spread Spectrum Modem in TDD mode. Firstly, it discusses TDD protocols and base band module.

本文提出了TDD扩频E1无线Modem总体设计方案，详细地论述了TDD协议和基带扩频模块的设计方案。

Hardware Implementation of Digital Base Band Videophone

数字基带电视电话的实现

Base band and overtone will be generated at the same string of stringed instrument oscillate.

弦乐器琴弦的振动中包含基频与泛频,在一定位置上可抑制掉某些频率,便会出现演艺界定义的“泛音”效果.

Design of cell phone base band synchronization module

手机基带同步模块的设计

System software development process, using a reader base band unit and simulation of system-level design, hardware testing platform structures, FPGA-based embedded system software development with the technology route.

系统软件在研发过程中，采用了读写器基带单元系统级方案设计与仿真，硬件试验平台搭建，基带FPGA嵌入式系统软件开发这一技术路线。

From at the beginning, rich is connected enlarged product line of base band chip through buying.

从一路头, 博通就经由过程收买扩大了基带芯片产物线.

Characteristics and design of plane isogonal corkscrew antenna in base band radar fuze

用于基带雷达引信的平面等角螺旋天线的特性与设计

The result of experimentation shows that the multi-channel ground base band equipment has good consistency and meet the design requirements, which can be used in the Tracking Telemetry and Command ( TT& C) of UAV.

测试表明，此多通道地面基带具有良好的一致性，达到了技术设计要求，可适用于多个无人机的测控。

The bIt'synchronous signal can keep stable in case of jitters in the base band signal.

当基带信号存在一定抖动时,位同步信号能够保持稳定.

The base-band transmission and coaxial networks.

基带传输与同轴网络.

Base band process module modulate and demodulate the signal.

基带处理模块主要负责信号的调制及解调；

The realization process of the developed CDMA base-band transmitting and receiving system is elaborated.

详述了所研制的CDMA基带发送、接收系统的实现过程.

SSB Filter With All Pass Structure Digital Implementation of Wave Shaping Base Band Filter

采用全通结构的单边带形成滤波器基带形成滤波器的数字实现

Developing, testing and debugging cellular phone Base Band circuits.

开发, 测试和调试手机基带电路.

Our work offers a reference for the acceptance of base-band equipments in satellite communications.

为卫星通信的基带设备的测试提供了参考.

Digital Implementation of Wave Shaping Base Band Filter

基带形成滤波器的数字实现