uwb
美
英 
- 网络超宽带(Ultra-Wideband);超宽频;超宽频技术
例句
Direction of Arrival (DOA) estimation is one of the key technologies of Direct Sequence Ultra Wide Bandwidth (DS-UWB) system.
到达角估计是直接序列超宽带系统的关键技术之一。
This makes UWB very secure, which explains why it was once used for clandestine communications by military and espionage agencies.
这使UWB非常安全,这就解释了为什么UWB一度由军方和谍报部门用于秘密通信。
and analyzed the characteristics of several common indoor channel models referred to the establishment of mine UWB channel model.
分析了几种对矿井UWB信道的建立有借鉴作用的超宽带室内信道模型特点。
In IR-UWB system centimeter ranging is possible due to extremely short duration of transmitted pulses.
在IR-UWB系统中,所使用的脉冲的持续时间很短,因此可以提供很高的测距精度。
Direction of arrival (DOA) estimation is one of the key technologies of ultra-wideband (UWB) location.
对信号到达角(DOA)的估计是超宽带定位的关键技术之一。
Ultra-wideband (UWB) radar is already used to "see" through walls.
当前,超宽频雷达(UWB)已经被用来“透视”墙体。
Impulse radar, also known as non-career radar and video pulse radar, is a branch or a special case of the Ultra Wide Band (UWB) radar.
冲击脉冲雷达,又称作无载波雷达和视频脉冲雷达,是超宽带雷达的一个分支和特例。
Via simulation, The results show that this circuit can receive the UWB signal perfectly.
通过计算机仿真和实验表明,采用该电路可以较好地实现UWB信号的接收。
Ultra-wideband (UWB) technology is considered as one of the most promising candidates for short-range wireless communications.
超宽带技术被认为是短距离无线通信最有可能的备选方案之一。
The Navy reportedly plans to put UWB markers on almost everything it ships overseas, just to track materiel and keep it from being stolen.
有报道称,美国海军计划在运到海外去的几乎所有东西都装上UWB标志,以便跟踪它们,防止被偷。
Studies an ultra-wide band (UWB) time of arrival ( TOA ) estimation technique in dense indoor multipath environments.
研究室内密集多径信道环境下的超宽带到达时间(TOA)估计技术。
On the basis of our analysis to the existing problems, the important challenges and development direction for UWB technology were proposed.
在对UWB技术进行综合分析的基础上,指出UWB商用化面临的主要问题并指明其发展方向。
Wide beam width in horizon plane would be expected in antenna design for IR-UWB through-the-wall detection to cover most area of the room.
在脉冲超宽带穿墙检测与定位当中,要求天线在水平面内具有宽波束以达到对房屋内部区域的有效覆盖;
Introduced pulse UWB wireless communication system performance computer simulation and study the ultra-broadband communications technology.
详细说明:介绍UWB无线脉冲通讯系统性能之电脑模拟及研究,研究超宽频的通讯技术。
In this dissertation a new category of ultra- wideband (UWB) planar antennas with a unique tapered-slot feeding structure is presented.
本论文提出一系列利用渐变开槽馈入结构设计实现之新型超宽频平面天线。
Depending up the thinking, two UWB antennas with compact sizes have been designed.
利用该思路,文中设计了两个小型化的超宽带天线。
Based on this, the paper established mine UWB channel model with frequency-dependent and made its simulation and analysis.
在此基础上,建立了考虑频率依赖性的矿井UWB信道模型并进行了仿真分析。
Trajectory deviation of the aircraft is the main cause of phase errors in airborne Ultra-wideband Synthetic Aperture Radar (UWB SAR).
机载超宽带合成孔径雷达(UWBSAR)中,载机的非理想运动是引起信号相位误差的主要原因。
The waveform of UWB signals can be reconstructed by convolving the estimated impulse signals with Gaussian monocycle.
通过将估计出的冲激串信号与高斯单脉冲波形卷积,完成超宽带信号的波形重建。
As an aspect of wireless communication's development, UWB wireless communication technology has been developed quickly.
作为无线通信发展的一个方向,超宽带(UWB)无线通信技术也得到快速发展。
The UWB detection radar is one of significant applications in UWB technology.
超宽带探测雷达是基于超宽带技术的重用应用之一。
The multiple-access capability of the receiver is investigated using ultra-wideband (UWB) impulse signal with the given data rate and BER.
采用超宽带冲击脉冲作为信号载体,分析了给定数据传输速率和误比特率情况下的接收机的多址性能。
An ultra-wideband quadrature demodulation receiver data acquisition system is designed for the purpose of UWB signal processing .
设计并实现了一套基于正交解调的超宽带脉冲体制接收机数据采集系统。
Pulse shaping of the UWB signal makes the pulse waveform meet the emission mask ruled by the administration government.
超宽带信号的脉冲形成须使得波形逼近管理权威所制定的辐射掩蔽。
The low complexity and low cost implementation of the whole system proves its possibility and practicability in UWB communications.
此系统的电路综合结果表明系统实现了低复杂度、低成本,证明了它在超宽带通信中的可行性和实用性。
The new kid on the radio block is ultrawideband, also known as UWB or digital pulse wireless.
这个无线电领域中的新东西就是超宽带,也称UWB或数字脉冲无线。
Secondly, the moving target UWB detection system is simulated, which the range and velocity of the target are extracted simultaneously.
然后对动目标超宽带探测系统进行系统仿真,同时提取目标的距离和速度信息。
Because UWB signal covers a wide range of frequencies, previous study on it only stayed in qualitative research stage.
超宽带信号由于覆盖频率范围广,使其以往的研究仅仅停留在定性研究的阶段。
The key technique in Ultra- wideband (UWB) communication system, namely technique of UWB pulse signal detection and receiving, is discussed.
本文对超宽带(UWB)通信系统实现的关键技术,即接收机前端的超宽带脉冲信号的检测技术进行了深入讨论。
Firstly, this paper proposes a data-aided synchronization algorithm in the differential transmitted reference (DTR) UWB systems.
首先,论文提出了一种有数据辅助的差分传输参考系统帧量级同步算法。
The UWB wireless communication technology is new exploration of radio spectrum, and this will develop new fields of time-domain spectrum.
利用UWB极窄脉冲通信,是对无线频谱资源利用进行新的探索,开辟时域电磁波应用的新领域。
Ultra Wideband impulse radio (UWB-IR), a promising and novel radio technology, has a broad application prospect in wireless communication.
超宽带脉冲无线电是无线通信领域的一种全新技术,有著广阔的应用前景。
With respect to the complex monitoring environment of multi-user, this paper focused on dynamic resource allocation in MB-OFDM-UWB system.
针对复杂的多用户监测情况,重点对多用户MB-OFDM-UWB系统的动态资源分配进行了分析和研究。
An ultra high speed data acquisition system used in Ultra Wide-band (UWB) radar is introduced in this paper.
以超宽带雷达应用为背景,提出了超高速实时直接射频采样方案。
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。
Secondly, the mixing principle and UWB technology is analyzed deeply. Summarized some parameters that will be used in design.
其次,对超宽带技术和混频电路的混频原理进行了深入分析,获取了在设计中用到的一些关键参数。
In this paper, through approach of various band-rejected UWB planar monopole antennas, principles and methods are researched.
从不同结构的超宽带平面单极子天线实现频带抑制的方法出发,研究实现频带抑制的基本原理和常用方法。
Rapid timing acquisition constitutes a major challenge in realizing the Ultra Wideband (UWB) technology.
超宽带信号的快速同步捕获是实现UWB系统的一个重大挑战。
Multi-life detection issues can be well resolved using the detection method of impulse UWB combined the high resolution MUSIC algorithm.
冲激超宽带雷达探测方法联合MUSIC算法能完成多个生命特征的检测。
This method is founded on the frequency domain model of DS-UWB array signals. The spatial spectral function is then derived for analysis.
该方法建立在直接序列超宽带系统阵列信号的频域模型。