uwb

美 　英

• 網(wǎng)絡超寬帶(Ultra-Wideband)；超寬頻；超寬頻技術

例句

Direction of Arrival (DOA) estimation is one of the key technologies of Direct Sequence Ultra Wide Bandwidth (DS-UWB) system.

到達角估計是直接序列超寬帶系統(tǒng)的關鍵技術之一。

This makes UWB very secure, which explains why it was once used for clandestine communications by military and espionage agencies.

這使UWB非常安全，這就解釋了為什么UWB一度由軍方和諜報部門用于秘密通信。

and analyzed the characteristics of several common indoor channel models referred to the establishment of mine UWB channel model.

分析了幾種對礦井UWB信道的建立有借鑒作用的超寬帶室內信道模型特點。

In IR-UWB system centimeter ranging is possible due to extremely short duration of transmitted pulses.

在IR-UWB系統(tǒng)中，所使用的脈沖的持續(xù)時間很短，因此可以提供很高的測距精度。

Direction of arrival (DOA) estimation is one of the key technologies of ultra-wideband (UWB) location.

對信號到達角（DOA）的估計是超寬帶定位的關鍵技術之一。

Ultra-wideband (UWB) radar is already used to "see" through walls.

當前，超寬頻雷達（UWB）已經(jīng)被用來“透視”墻體。

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.

沖擊脈沖雷達，又稱作無載波雷達和視頻脈沖雷達，是超寬帶雷達的一個分支和特例。

Via simulation, The results show that this circuit can receive the UWB signal perfectly.

通過計算機仿真和實驗表明，采用該電路可以較好地實現(xiàn)UWB信號的接收。

Ultra-wideband (UWB) technology is considered as one of the most promising candidates for short-range wireless communications.

超寬帶技術被認為是短距離無線通信最有可能的備選方案之一。

The Navy reportedly plans to put UWB markers on almost everything it ships overseas, just to track materiel and keep it from being stolen.

有報道稱，美國海軍計劃在運到海外去的幾乎所有東西都裝上UWB標志，以便跟蹤它們，防止被偷。

Studies an ultra-wide band (UWB) time of arrival ( TOA ) estimation technique in dense indoor multipath environments.

研究室內密集多徑信道環(huán)境下的超寬帶到達時間（TOA）估計技術。

On the basis of our analysis to the existing problems, the important challenges and development direction for UWB technology were proposed.

在對UWB技術進行綜合分析的基礎上，指出UWB商用化面臨的主要問題并指明其發(fā)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.

在脈沖超寬帶穿墻檢測與定位當中，要求天線在水平面內具有寬波束以達到對房屋內部區(qū)域的有效覆蓋；

Introduced pulse UWB wireless communication system performance computer simulation and study the ultra-broadband communications technology.

詳細說明：介紹UWB無線脈沖通訊系統(tǒng)性能之電腦模擬及研究，研究超寬頻的通訊技術。

In this dissertation a new category of ultra- wideband (UWB) planar antennas with a unique tapered-slot feeding structure is presented.

本論文提出一系列利用漸變開槽饋入結構設計實現(xiàn)之新型超寬頻平面天線。

Depending up the thinking, two UWB antennas with compact sizes have been designed.

利用該思路，文中設計了兩個小型化的超寬帶天線。

Based on this, the paper established mine UWB channel model with frequency-dependent and made its simulation and analysis.

在此基礎上，建立了考慮頻率依賴性的礦井UWB信道模型并進行了仿真分析。

Trajectory deviation of the aircraft is the main cause of phase errors in airborne Ultra-wideband Synthetic Aperture Radar (UWB SAR).

機載超寬帶合成孔徑雷達（UWBSAR）中，載機的非理想運動是引起信號相位誤差的主要原因。

The waveform of UWB signals can be reconstructed by convolving the estimated impulse signals with Gaussian monocycle.

通過將估計出的沖激串信號與高斯單脈沖波形卷積，完成超寬帶信號的波形重建。

As an aspect of wireless communication's development, UWB wireless communication technology has been developed quickly.

作為無線通信發(fā)展的一個方向，超寬帶（UWB）無線通信技術也得到快速發(fā)展。

The UWB detection radar is one of significant applications in UWB technology.

超寬帶探測雷達是基于超寬帶技術的重用應用之一。

The multiple-access capability of the receiver is investigated using ultra-wideband (UWB) impulse signal with the given data rate and BER.

采用超寬帶沖擊脈沖作為信號載體，分析了給定數(shù)據(jù)傳輸速率和誤比特率情況下的接收機的多址性能。

An ultra-wideband quadrature demodulation receiver data acquisition system is designed for the purpose of UWB signal processing .

設計并實現(xiàn)了一套基于正交解調的超寬帶脈沖體制接收機數(shù)據(jù)采集系統(tǒng)。

Pulse shaping of the UWB signal makes the pulse waveform meet the emission mask ruled by the administration government.

超寬帶信號的脈沖形成須使得波形逼近管理權威所制定的輻射掩蔽。

The low complexity and low cost implementation of the whole system proves its possibility and practicability in UWB communications.

此系統(tǒng)的電路綜合結果表明系統(tǒng)實現(xiàn)了低復雜度、低成本，證明了它在超寬帶通信中的可行性和實用性。

The new kid on the radio block is ultrawideband, also known as UWB or digital pulse wireless.

這個無線電領域中的新東西就是超寬帶，也稱UWB或數(shù)字脈沖無線。

Secondly, the moving target UWB detection system is simulated, which the range and velocity of the target are extracted simultaneously.

然后對動目標超寬帶探測系統(tǒng)進行系統(tǒng)仿真，同時提取目標的距離和速度信息。

Because UWB signal covers a wide range of frequencies, previous study on it only stayed in qualitative research stage.

超寬帶信號由于覆蓋頻率范圍廣，使其以往的研究僅僅停留在定性研究的階段。

The key technique in Ultra- wideband (UWB) communication system, namely technique of UWB pulse signal detection and receiving, is discussed.

本文對超寬帶（UWB）通信系統(tǒng)實現(xiàn)的關鍵技術，即接收機前端的超寬帶脈沖信號的檢測技術進行了深入討論。

Firstly, this paper proposes a data-aided synchronization algorithm in the differential transmitted reference (DTR) UWB systems.

首先，論文提出了一種有數(shù)據(jù)輔助的差分傳輸參考系統(tǒng)幀量級同步算法。

The UWB wireless communication technology is new exploration of radio spectrum, and this will develop new fields of time-domain spectrum.

利用UWB極窄脈沖通信，是對無線頻譜資源利用進行新的探索，開辟時域電磁波應用的新領域。

Ultra Wideband impulse radio (UWB-IR), a promising and novel radio technology, has a broad application prospect in wireless communication.

超寬帶脈沖無線電是無線通信領域的一種全新技術，有著廣闊的應用前景。

With respect to the complex monitoring environment of multi-user, this paper focused on dynamic resource allocation in MB-OFDM-UWB system.

針對復雜的多用戶監(jiān)測情況，重點對多用戶MB-OFDM-UWB系統(tǒng)的動態(tài)資源分配進行了分析和研究。

An ultra high speed data acquisition system used in Ultra Wide-band (UWB) radar is introduced in this paper.

以超寬帶雷達應用為背景，提出了超高速實時直接射頻采樣方案。

Compared to baseband UWB radios, the MultiBand OFDM ultra-wide band system has obtained widespread approval in short-range wireless links.

與基帶UWB無線電相比，多帶OFDM超寬帶系統(tǒng)在短距離無線通信中得到了廣泛的認可。

Secondly, the mixing principle and UWB technology is analyzed deeply. Summarized some parameters that will be used in design.

其次，對超寬帶技術和混頻電路的混頻原理進行了深入分析，獲取了在設計中用到的一些關鍵參數(shù)。

In this paper, through approach of various band-rejected UWB planar monopole antennas, principles and methods are researched.

從不同結構的超寬帶平面單極子天線實現(xiàn)頻帶抑制的方法出發(fā)，研究實現(xiàn)頻帶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.

超寬帶信號的快速同步捕獲是實現(xiàn)UWB系統(tǒng)的一個重大挑戰(zhàn)。

Multi-life detection issues can be well resolved using the detection method of impulse UWB combined the high resolution MUSIC algorithm.

沖激超寬帶雷達探測方法聯(lián)合MUSIC算法能完成多個生命特征的檢測。

This method is founded on the frequency domain model of DS-UWB array signals. The spatial spectral function is then derived for analysis.

該方法建立在直接序列超寬帶系統(tǒng)陣列信號的頻域模型。