提出了一种新型的用于超宽带系统的高斯脉冲发生器。
A new ultra wideband (UWB), low-complexity and step recovery diode Gaussian pulse generator is introduced.
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。
This article emphasises on researches on the MB-OFDM ultra-wide band system and multiple access technology.
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。
Compared to baseband UWB radios, the MultiBand OFDM ultra-wide band system has obtained widespread approval in short-range wireless links.
超宽带系统由于其低功耗、低截获率和抗多径衰落效益好等特点,特别适合应用在短距离无线通信领域中。
The UWB system specially applies in short distance wireless communication because of its characteristics such as lower power and anti-multi-path decline ability.
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。
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.
首先分析了超宽带技术与传统的直接序列扩频技术的区别,然后建立了TH -IR和DS - IR超宽带系统的仿真模型,得到两种IR系统在多种干扰条件下的误码率性能。
The difference between UWB and the traditional direct sequence spread spectrum technology was analyzed, and the simulation models of TH-IR and DS-IR systems were installed.
实时定位系统 (RTLS)使用无线技术(比如Wi-Fi、超宽带、RFID、蓝牙和 GPS)来实时识别并跟踪生产资源或人员的位置。
Real time locating systems (RTLS) use wireless technologies such as Wi-Fi, ultra-wideband, RFID, Bluetooth, and GPS to identify and track the location of items or people in real time.
超宽带信号接收技术是高码率接收系统的关键技术之一,正交接收机是实现超宽带信号接收的典型方案。
The receive technology of Ultra-Wide Band (UWB) signal is one of the key technologies of high-speed receiver. Quadrature receiver is typical scheme in high- speed receiver.
为解决中远距离超宽带引信中的距离延迟和缓解延迟时间的大抖动误差,本文提出了一种基于晶振分频的时间系统。
To resolve the large time jitter error of middle-long range action in UWB fuse systems, a novel time system base on crystal frequency division has been proposed.
对线性调频(LFM)信号的三种主要数字产生方法进行分析,提出一种基于波形存储直读法的超宽带线性调频脉冲压缩信号数字产生系统方案。
On the basis of the waveform storage method, a digital generation system scheme for ultra wide-band LFM pulse compression signals is proposed in this paper.
超宽带通信系统首先要解决的问题是降低系统的功耗和硬件的复杂度。
The main challenges for UWB communication system implementation are how to decrease energy consumption and hardware complexity.
探地雷达系统一般采用超宽带短脉冲信号,因而其天线系统必须具有较好的宽带性能。
The ground penetrating radar (GPR) systems usually use broadband electromagnetic pulse, so the antennas must be wideband and can couple electromagnetic energy into the ground.
文中介绍了以TMS320 VC 5509为核心处理器,基于FIFO和DSP的超宽带搜救雷达数据采集系统的硬件和软件设计。
This paper describes hardware and software design of data acquisition system for UWB search and rescue radar, which adopts TMS320VC5509 as the core processor and is based on FIFO and DSP.
讨论了超宽带收发系统的误差,并提出了收发系统误差的补偿方法。
An error compensating method is put forward after the UWB transmit-receive 'system error being discussed.
超宽带(uwb)信号及其功率谱分布是研究超宽带通信系统与其它通信系统频谱共存与兼容问题时,需要考虑的重要因素。
UWB signals and their power spectrum mask are important factors which need to be considered when studying the spectrum coexisting and compatible problems between UWB systems and other radio systems.
提出一种应用于脉冲超宽带相关接收机的新型门控积分方法,它利用简单的线性时不变系统实现带清除的积分。
In this paper a novel gated integrating method for IR-UWB correlation receiver is proposed, which USES linear time-invariant system to approximate integrator with discharging.
本文评估了超宽带无线系统对蓝牙语音系统的干扰情况。
This paper evaluates the level of interference caused by ultra-wideband (UWB) signal to Bluetooth voice system.
该文基于波形存储直读法,提出了一种超宽带线性调频信号数字产生系统方案。
On the basis of the waveform storage method, a digital generation system scheme for ultra wide-band radar LFM pulse compression signals is presented in this paper.
基于窄脉冲串的超宽带无线电系统是一种典型的超宽带实现方式。
The UWB system based on narrow pulses train is a typical UWB system.
这套移动终端电磁兼容测试系统最关键的组件就是超宽带检测天线。
The most critical component of the EMC testing system for mobile handsets is the UWB detecting antenna.
介绍时域超宽带雷达目标特性测量系统的工作原理及测量软件的开发过程。
Operating principle and developing procedures of a time-domain measuring system of radar target are introduced.
超宽带成像系统需要协调之前通过了FCC的设备可以使用。
UWB imaging systems require coordination through the FCC before the equipment may be used.
本文首先研究了在典型室内信道下基于OFDM技术的超宽带(uwb)通信系统的性能,并提出了一种接收能量模型。
The performance of UWB system based OFDM in the typical indoor channel is studied at first, and a model of reception energy is given.
典型的超宽带雷达系统发射的是冲激脉冲信号,具有很大的带宽,但限制了系统的作用距离。
A typical Ultra Wideband Radar system emits impulse signal, which has wide band, but limited operating range.
本文首次提出将快速横向滤波(FTF)算法引入超宽带(uwb)通信系统的接收机结构中。
A novel idea of using Fast Transversal Filter (FTF) adaptive algorithm in Ultra WideBand (UWB) RAKE receiver is proposed for the first time.
超宽带电磁场在真空中和空气中的慢衰减规律前人已作过许多工作,也有比较系统的理论。
There are many systemic theories on decaying law of UWB electromagnetic field in vacuum and air.
频谱共存及兼容是超宽带(uwb)无线通信系统必须考虑的重要问题。
Coexistence and compatibility was an important issue needed to be considered in ultra-wideband (UWB) impulse radio communications.
在介绍一种基于TH - PPM调制方式的超宽带通信系统的基础上,深入讨论了一种并行检测接收机方案并分析了其工作原理。
On the basis of an introduction of TH-PPM UWB communication system, this paper advances a parallel detection receiver scheme.
本文首先针对超宽带收发系统的特点讨论了宽带、低失真系统的设计技术。
The design technology of wide band and low distortion system is discussed according to the characteristic of UWB transmit-receive system.
本文首先针对超宽带收发系统的特点讨论了宽带、低失真系统的设计技术。
The design technology of wide band and low distortion system is discussed according to the characteristic of UWB transmit-receive system.
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