Chapter 4 is about the digital front end design of base band system.
第四章介绍了数字基带系统设计中数字前端设计。
The narrow-band system used for on-line partial discharge monitoring has been developed in this paper.
论述了局部放电在线窄带检测系统。
This article emphasises on researches on the MB-OFDM ultra-wide band system and multiple access technology.
本文将MB-OFDM超宽带系统及其关键技术之一多址技术作为研究重点。
Compared to baseband UWB radios, the MultiBand OFDM ultra-wide band system has obtained widespread approval in short-range wireless links.
与基带uwb无线电相比，多带OFDM超宽带系统在短距离无线通信中得到了广泛的认可。
Thereupon, the gyro dynamic characteristics have been greatly improved and the performance of the wide frequency band system have been met.
从而可以大幅度提高陀螺的动态性能，满足宽频带系统的性能要求。
On account of the wide relative bandwidth, compared with the narrow-band system, large-band SAR system errors impose more severe effect on imaging quality.
由于相对带宽很大，与窄带系统相比，宽带SAR系统误差对成像的影响更严重。
Lap-Band Adjustable Gastric Banding system.
“Lap - Band”，可调节的胃束带系统。
The system adds Ka and X band capacity to supplement limited military X band and commercial Ku band.
该系统增加了KA波段和X波段的能力，以补充有限的军用X波段和商业Ku波段。
Designed as a scalable, multi-mission radar system, AMDR is comprised of an X-band, S-band and radar Suite Controller (RSC).
AMDR的设计为一个可扩展多任务雷达系统，是由一个X波段、S波段和雷达套件控制器(RSC)组成的。
Instead, use an "out-of-band" transmission through a managed file transfer system ...
替代方法，通过受控的文件传输系统，使用一个“带外数据”传输……
These radios will be integrated with Hughes’ commercial, off-the-shelf products and broadband satellite communications capabilities. Hughes HX system utilizes Ku-, Ka- or X-band antennas and routes.
这些无线电将与休斯公司的商业产品和宽带卫星通信能力进行集成。
The Inmarst system offers the user a large and growing range of voice band data and facsimile services.
国际移动卫星通信系统为用户提供广泛的和日益增加的语音频带数据和传真业务。
Prime contractor Harris and its team partner BAE Systems Inc. are building the Ku-band Common Data Link Hawklink system for the Navy’s Light Airborne Multi-Purpose System (LAMPS) helicopter.
主承包商哈里斯公司和其小组成员BAE系统公司正在为海军的轻型机载多用途系统（LAMPS）直升机建造Ku波段通用数据链“鹰链”（Hawklink）系统。
The contractor will provide development, integration testing, procurement and delivery of the Low Band Universal Communications System Program Transmit Terminal Equipment (TTE).
SAIC公司将为海军提供低波段通用通信系统程序传输终端设备（TTE）的开发、集成测试、采购和交付等服务。
In this paper, the Power Band Graph (PBG) modeling method is used to realize modeling of the human circulation system and conduct a simulation study on a simplified physiological system model.
文中提出的功率键合图建模方法能够较好地完成对人体循环系统建立仿真模型的工作，并对一个简化的循环系统生理模型进行了计算机仿真研究。
In the highly crowded HF band, available continuous bandwidth is very narrow, this threaten the viability of HF radar based on the continuous spectra signal system seriously.
在拥挤的高频频段，可用的连续带宽比较窄，基于连续谱信号体制的高频雷达的生存能力受到严重威胁。
A monopulse limited phase scanning antenna system for the fire-control radar at X-band is presented in this paper.
本文介绍了一种可用于火控雷达的单脉冲有限相扫天线系统。
In the spite of use of sequence image compression coding in most monitor system, such problem as the image quality degradation, Mosaic will appear in the narrow band.
虽然大多数监控系统都采用序列图像压缩，但是在窄带传输中，序列图像压缩方法会出现图像质量下降和马赛克等现象。
The demo system herein consists of three parts: base band transmitting board, baseband receiving boards and MPU board.
实验验证系统由基带发送、基带接收、主控三部分构成。
FIG. 5 is an exemplary return-loss plot for the multi-band antenna system.
图5是用于多波段天线系统的示例性回波损耗绘图。
In contrast to traditional salary design system, broad - band salary emphasizes not on the hierarchy but on employees' competency and performance.
宽带薪酬与传统薪酬结构相比，强调的不再是岗位等级结构而是更注重员工的能力与绩效。
To solve these problems, this paper presents a high performance, namely low voltage, high linearity and high conversion gain, CMOS direct down conversion mixer for UWB (Ultra Wide Band) system.
基于这种背景，本文提出了一种应用于超宽带系统的高性能（低压、高线性度、高变频增益）直接下变频混频器，采用标准的CMOS工艺设计和实现。
Such system is used to digitize high - speed, wide band signal.
该系统适用于对高速、宽带的瞬态信号进行数字化处理。
In this paper, a quadruple subharmonic mixer used in holographic imaging system at W band is designed.
本文设计了一个应用在全息成像系统中的W波段的微带四次谐波混频器。
The system distortion is inevitable in wide-band analog quadrature receiver because of the existing of amplitude and phase errors, the performance of receiver become worse.
由模拟器件构成的宽带正交解调接收机会由于正交通道的幅相不一致性造成整个系统的失真，进而影响整个接收系统的性能。
Part four explores the construction of the Learning Support Services System based on the environment of Satellite Broad Band.
第四部分是基于卫星宽带远程环境对学习服务支持系统具体的构建思考。
However, wireless system is a band limited system, and the channel allocation algorithm affects the performance of the wireless DP server network directly.
无线系统，带宽有限，信道资源分配算法，直接影响着网络的服务性能。
However, wireless system is a band limited system, and the channel allocation algorithm affects the performance of the wireless DP server network directly.
无线系统，带宽有限，信道资源分配算法，直接影响着网络的服务性能。
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