检索结果-内蒙古大学图书馆

您好，读者！请登录

内蒙古大学图书馆

首页
概况
党建
资源
服务
科研支持
- 论文收录引用证明
- 科技查新
知识产权
档案馆
帮助

咨询与建议

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

您的常用邮箱：*

您的手机号码：*

问题描述：

当前已输入0个字，您还可以输入200个字

全部搜索
期刊论文
图书
学位论文
标准
纸本馆藏
外文资源发现
数据库导航
超星发现

高级检索

时间限定

出版年份：

文献类型

图书期刊文献学位论文多媒体

馆藏选择

电子馆藏纸本馆藏

核心期刊

全部期刊 SCI 收录期刊 SSCI 收录期刊 EI 收录期刊 CSCD 收录期刊 CSSCI 收录期刊

语言

中文英文

文献类型

期刊文献图书学位论文标准纸本馆藏

帮助

文字说明：

T=题名（书名、题名），A=作者（责任者），K=主题词，P=出版物名称，PU=出版社名称，O=机构（作者单位、学位授予单位、专利申请人），L=中图分类号，C=学科分类号，U=全部字段，Y=年（出版发行年、学位年度、标准发布年）

检索规则说明：

AND代表“并且”；OR代表“或者”；NOT代表“不包含”；(注意必须大写,运算符两边需空一格)

检索范例：

范例一：(K=图书馆学 OR K=情报学) AND A=范并思 AND Y=1982-2016
范例二：P=计算机应用与软件 AND (U=C++ OR U=Basic) NOT K=Visual AND Y=2011-2016

分类表

所选分类

>> <<

限定检索结果

文献类型

166 篇 会议
16 篇 期刊文献
4 篇 学位论文

馆藏范围

186 篇 电子文献
0 种 纸本馆藏

日期分布

学科分类号

157 篇 工学
- 59 篇 测绘科学与技术
- 51 篇 信息与通信工程
- 41 篇 电气工程
- 37 篇 计算机科学与技术...
- 26 篇 软件工程
- 24 篇 仪器科学与技术
- 22 篇 控制科学与工程
- 15 篇 光学工程
- 10 篇 建筑学
- 10 篇 土木工程
- 9 篇 船舶与海洋工程
- 9 篇 航空宇航科学与技...
- 8 篇 电子科学与技术（可...
- 6 篇 动力工程及工程热...
- 6 篇 安全科学与工程
- 4 篇 化学工程与技术
- 3 篇 生物工程
132 篇 理学
- 108 篇 物理学
- 13 篇 数学
- 8 篇 化学
- 7 篇 海洋科学
- 5 篇 统计学（可授理学、...
- 4 篇 生物学
42 篇 医学
- 42 篇 临床医学
9 篇 管理学
- 6 篇 管理科学与工程(可...
- 5 篇 工商管理
- 3 篇 图书情报与档案管...
8 篇 军事学
4 篇 法学
- 2 篇 法学
- 2 篇 社会学
2 篇 经济学
- 2 篇 应用经济学

主题

27 篇 sensors
19 篇 sensor networks
12 篇 surveillance
10 篇 unmanned vehicle...
9 篇 unattended senso...
8 篇 wireless sensor ...
8 篇 unmanned aerial ...
7 篇 unattended groun...
5 篇 imaging systems
5 篇 ugs
5 篇 cameras
5 篇 unattended groun...
5 篇 uav
5 篇 image processing
5 篇 remote sensing
5 篇 acoustic sensors
4 篇 autonomous opera...
4 篇 data exfiltratio...
4 篇 telecommunicatio...
4 篇 signal processin...

机构

5 篇 mil univ technol...
4 篇 u.s. army tank a...
3 篇 teledyne sci co ...
3 篇 univ connecticut...
3 篇 department of el...
2 篇 us army rdecom p...
2 篇 acert orlando fl...
2 篇 usa rdecom picat...
2 篇 u.s. army night ...
2 篇 usn undersea war...
2 篇 nevada nanotech ...
2 篇 university of co...
1 篇 univ concepcion ...
1 篇 datapath inc pow...
1 篇 penn state univ ...
1 篇 univ def fac mil...
1 篇 univ piraeus dep...
1 篇 french german re...
1 篇 rocade est echan...
1 篇 stevens inst tec...

作者

8 篇 carapezza edward...
7 篇 hohil myron e.
7 篇 desai sachi
6 篇 manzur tariq
6 篇 zyczkowski m.
6 篇 singh harpreet
5 篇 szustakowski m.
5 篇 morcos amir
5 篇 ciurapinski w.
4 篇 mustapha adam
4 篇 dixit arati m.
4 篇 gerhart grant r.
4 篇 gerhart grant
3 篇 pham tien
3 篇 hespanha joao
3 篇 burman jerry
3 篇 whitten r.
3 篇 butman jerry
3 篇 rogers b.
3 篇 madhow upamanyu

语言

185 篇 英文
1 篇 中文

检索条件"任意字段=Unmanned/Unattended Sensors and Sensor Networks XII"

共 186 条记录，以下是21-30 订阅

全选清除本页清除全部题录导出标记到"检索档案"

详细简洁

排序：

Bi-material resonant infrared thermal detector and array 10

Bi-material resonant infrared thermal detector and array

引用

Conference on unmanned/unattended sensors and sensor networks X

作者： Zhang, Xia Zhang, Dacheng Commun Univ China Dept Photo Elect Beijing 100024 Peoples R China Peking Univ BInstitute Microelectron Beijing 100871 Peoples R China

ISBN: (纸本)9781628413113

A resonant infrared thermal sensor with high sensitivity, whose sensing element is a bi-material structure with thermal expansion mismatch effect, is presented in this paper. The sensor detects infrared radiation by means of tracking the change in resonance frequency of the bi-material structure with temperature change attributed to the infrared radiation from targets. The bi-material structure can amplify the change in resonance frequency compared to a single material sensing structure. In accordance with the theory of vibration mechanics and design principle of infrared thermal detector, the bi-material resonant sensor by means of which an array can be achieved is designed. The simulation results, by ANSYS software analysis based on multi-layer shell finite element, demonstrate that the dependence of resonance frequency on temperature of the designed sensing structure achieves 1Hz/0.01 degrees C. A microarray with 6x6 resonant infrared sensors is fabricated based on microelectronics processes being compatible with integrated circuit fabrication technology. The frequency variation corresponding to the temperature shift can be obtained by electrical measurement.

关键词： Bi-material mismatch in thermal expansion resonance infrared thermal sensor microarray

来源：评论

学校读者我要写书评

暂无评论

Improvement of optical and acoustical technologies for the protection: Project IMOTEP. Network of heterogeneous sensor types for the protection of camps or mobile troops 10

Improvement of optical and acoustical technologies for the p...

引用

Conference on unmanned/unattended sensors and sensor networks X

作者： Hengy, Sebastien Laurenzis, Martin Zimpfer, Veronique Schneider, Armin French German Res Inst St Louis F-68301 St Louis France

ISBN: (纸本)9781628413113

Snipers have emerged as a major threat to troops in recent conflicts. To reduce this menace, the objective of the French-German Research Institute of Saint Louis (ISL) research project "IMOTEP" is to improve the detection of snipers on the battlefield. Our basic approach is to combine several sources of information for a fast and appropriate reaction when an unusual signal (e.g. a flash or a shot) is detected. The project includes several technologies developed at ISL: acoustical detection, fusion of distributed sensor network data, active imaging and 3D audio communication. The protection of camps, convoys or dismounted soldiers rests on a distributed acoustical sensor network that detects and localizes sniper attacks. An early estimation of the threat position is transmitted through a network to an active imaging system in order to confirm and refine this position by 3D imaging. The refined position is then sent to the control center which generates an alert message that displays the threat position using two formats: a tactical map and a 3D audio signal. In addition, the camp is protected by an ad-hoc sensor network used for intruder detection.

关键词： acoustical detection distributed sensors active imaging 3D audio communication

来源：评论

学校读者我要写书评

暂无评论

Adaptive multi-sensor biomimetics for unsupervised submarine hunt (AMBUSH): Early results 10

Adaptive multi-sensor biomimetics for unsupervised submarine...

引用

Conference on unmanned/unattended sensors and sensor networks X

作者： Blouin, Stephane Def R&D Canada Atlantic Res Ctr Dartmouth NS Canada

ISBN: (纸本)9781628413113

Underwater surveillance is inherently difficult because acoustic wave propagation and transmission arc limited and unpredictable when targets and sensors move around in the communication-opaque undersea environment. Today's Navy underwater sensors enable the collechon of a massive amount of data, often analyzed offline. The Navy of tomorrow will dominate by making sense of that data in real-time, DRDCS AMBUSH project proposes a new undersea surveillance network paradigm that will enable such a real-time operation, Nature abounds with examples of collaborative tasks taking place despite limited communication and computational capabilities. This publication describes a year's worth of research efforts finding inspiration in Nature's collaborative tasks such as wolves hunting in packs. This project proposes the utilization of a he network combining both static and mobile network nodes. The military objective is to enable an unsupervised surveillance capability while maximizing target localization performance and endurance. The scientific objective is to develop the necessary technology to acoustically and passively localize a noise-source of interest in shallow waters, The project fulfills these objectives via distributed computing and adaptation to charging undersea conditions. Specific research interests discussed here relate to approaches for performing: (a) network self-discovery, (b) network connectivity self assessment, (c) opportunistic network routing, (d) distributed data-aggregation, and (c) simulation of underwater acoustic propagation, We present early results then followed by a discussion about future work.

关键词： Underwater surveillance sensor network distributed computing. adaptation

来源：评论

学校读者我要写书评

暂无评论

DAZZLE project: UAV to ground communication system using a laser and a modulated retro-reflector 10

DAZZLE project: UAV to ground communication system using a l...

引用

Conference on unmanned/unattended sensors and sensor networks X

作者： Thueux, Yoann Avlonitis, Nicholas Erry, Gavin Airbus Grp Innovat Newport Gwent Wales

ISBN: (纸本)9781628413113

The advent of the unmanned Aerial Vehicle (UAV) has generated the need for reduced size, weight and power (SWaP) requirements for communications systems with a high data rate, enhanced security and quality of service. This paper presents the current results of the DAZZLE project run by Airbus Group Innovations. The specifications, integration steps and initial performance of a UAV to ground communication system using a laser and a modulated retro-reflector are detailed. The laser operates at the wavelength of 1550nm and at power levels that keep it eye safe. It is directed using a FLIR pan and tilt unit driven by an image processing-based system that tracks the UAV in flight at a range of a few kilometers. The modulated retro-reflector is capable of a data rate of 20Mbps over short distances, using 200mW of electrical power. The communication system was tested at the Pershore Laser Range in July 2014. Video data from a flying Octocopter was successfully transmitted over 1200m. During the next phase of the DAZZLE project, the team will attempt to produce a modulated retro-reflector capable of 1Gbps in partnership with the research institute Acreo(1) based in Sweden. A high speed laser beam steering capability based on a Spatial Light Modulator will also be added to the system to improve beam pointing accuracy.

关键词： unmanned aerial vehicle octocopter modulated retro reflector laser communications spatial light modulator

来源：评论

学校读者我要写书评

暂无评论

Aerial Networking Communication solutions using Micro Air Vehicle (MAV) 10

Aerial Networking Communication solutions using Micro Air Ve...

引用

Conference on unmanned/unattended sensors and sensor networks X

作者： Balasubramanian, Shyam de Graaf, Maurits Hoekstra, Gerard Corporaal, Henk Wijtvliet, Mark Linde, Javier Cuadros Thales Nederland BV Bestevaer 46 NL-1271 ZA Huizen Netherlands Techn Univ Eindhoven NL-5612 AZ Eindhoven Netherlands

ISBN: (纸本)9781628413113

The application of a Micro Air Vehicle (MAV) for wireless networking is slowly gaining significance in the field of network robotics. Aerial transport of data requires efficient network protocols along with accurate positional adjustment of the MAV to minimize transaction times. In our proof of concept, we develop an Aerial networking protocol for data transfer using the technology of Disruption Tolerant networks (DTN), a store-and-forward approach for environments that deals with disrupted connectivity. Our results show that close interaction between networking and flight behavior helps in efficient data exchange. Potential applications are in areas where network infrastructure is minimal or unavailable and distances may be large. For example, forwarding video recordings during search and rescue, agriculture, swarm communication, among several others. A practical implementation and validation, as described in this paper, presents the complex dynamics of wireless environments and poses new challenges that are not addressed in earlier work on this topic. Several tests are evaluated in a practical setup to display the networking MAV behavior during such an operation.

关键词： Disruption Tolerant Networking (DTN) Mobile Ad-Hoc networks (MANET) Micro-Aerial Vehicles (MAV) aerial vehicle or multirotor

来源：评论

学校读者我要写书评

暂无评论

Channel Modelling for Free-Space Optical Inter-HAP Links Using Adaptive ARQ Transmission 10

Channel Modelling for Free-Space Optical Inter-HAP Links Usi...

引用

Conference on unmanned/unattended sensors and sensor networks X

作者： Parthasarathy, S. Giggenbach, D. Kirstaedter, A. German Aerosp Ctr DLR Inst Commun & Nav D-82234 Wessling Germany Univ Stuttgart Inst Commun Networks & Comp Engn D-70569 Stuttgart Germany

ISBN: (纸本)9781628413113

Free-space optical (FSO) communication systems have seen significant developments in recent years due to growing need for very high data rates and tap-proof communication. The operation of an FSO link is suited to diverse variety of applications such as satellites, High Altitude Platforms (HAPs), unmanned Aerial Vehicles (UAVs), aircrafts, ground stations and other areas involving both civil and military situations. FSO communication systems face challenges due to different effects of the atmospheric channel. FSO channel primarily suffers from scintillation effects due to Index of Refraction Turbulence (IRT). In addition, acquisition and pointing becomes more difficult because of the high directivity of the transmitted beam: Miss-pointing of the transmitted beam and tracking errors at the receiver generate additional fading of the optical signal. High Altitude Platforms (HAPs) are quasi-stationary vehicles operating in the stratosphere. The slowly varying but precisely determined time-of-flight of the Inter-HAP channel adds to its characteristics. To propose a suitable ARQ scheme, proper theoretical understanding of the optical atmospheric propagation and modeling of a specific scenario FSO channel is required. In this paper, a bi-directional symmetrical Inter-HAP link has been selected and modeled. The Inter-HAP channel model is then investigated via simulations in terms of optical scintillation induced by IRT and in presence of pointing error. The performance characteristic of the model is then quantified in terms of fading statistics from which the Packet Error Probability (PEP) is calculated. Based on the PEP characteristics, we propose suitable ARQ schemes.

关键词： FSO Index of Refraction Turbulence Scintillation Pointing Error Bit Error Probability Packet Error Probability Transmission Efficiency Error Detection and Correction

来源：评论

学校读者我要写书评

暂无评论

An Object-Oriented Modeling and Simulation Framework for Bearings-Only Multi-Target Tracking using an unattended Acoustic sensor Network

An Object-Oriented Modeling and Simulation Framework for Bea...

引用

Conference on Emerging Technologies in Security and Defence;and Quantum Security II;and unmanned sensor Systems X

作者： Aslan, Murat Samil Tubitak Bilgem Iltaren Adv Technol Res Inst TR-06800 Ankara Turkey

ISBN: (纸本)9780819497680

Tracking ground targets using low cost ground-based sensors is a challenging field because of the limited capabilities of such sensors. Among the several candidates, including seismic and magnetic sensors, the acoustic sensors based on microphone arrays have a potential of being useful: They can provide a direction to the sound source, they can have a relatively better range, and the sound characteristics can provide a basis for target classification. However, there are still many problems. One of them is the difficulty to resolve multiple sound sources, another is that they do not provide distance, a third is the presence of background noise from wind, sea, rain, distant air and land traffic, people, etc., and a fourth is that the same target can sound very differently depending on factors like terrain type, topography, speed, gear, distance, etc. Use of sophisticated signal processing and data fusion algorithms is the key for compensating (to an extend) the limited capabilities and mentioned problems of these sensors. It is hard, if not impossible, to evaluate the performance of such complex algorithms analytically. For an effective evaluation, before performing expensive field trials, well-designed laboratory experiments and computer simulations are necessary. Along this line, in this paper, we present an object-oriented modeling and simulation framework which can be used to generate simulated data for the data fusion algorithms for tracking multiple on-road targets in an unattended acoustic sensor network. Each sensor node in the network is a circular microphone array which produces the direction of arrival (DOA) (or bearing) measurements of the targets and sends this information to a fusion center. We present the models for road networks, targets (motion and acoustic power) and acoustic sensors in an object-oriented fashion where different and possibly time-varying sampling periods for each sensor node is possible. Moreover, the sensor's signal processing and d

关键词： Ground target tracking acoustic sensor network bearings-only multiple target tracking road network modeling receiver operating characteristic (ROC) curve unattended ground sensor (UGS) network direction of arrival (DOA) estimation object-oriented programming

来源：评论

学校读者我要写书评

暂无评论

unmanned/unattended sensors and sensor networks IX

Unmanned/Unattended Sensors and Sensor Networks IX

引用

unmanned/unattended sensors and sensor networks IX

ISBN: (纸本)9780819492814

The proceedings contain 20 papers. The topics discussed include: monitoring/sensing applications on AirPON;free-space optical communication at 1.55 μm and 4.85 μm and turbulence measurements in the evaporation layer;probability of fade and BER performance of FSO links over the exponentiated Weibull fading channel under aperture averaging;the impact of sunlight on the performance of visible light communication systems over the year;high speed GaN micro-light-emitting diode arrays for data communications;extending the data rate of non-line-of-sight UV (MSCD) for communication with polarization modulation;morphological scene change detection for night time security;vector analysis for direction prediction on image strings;and integration of a digital watermarking system into a morphological scene change detector tamper prevention and detection.

关键词：

来源：评论

学校读者我要写书评

暂无评论

Modelling systems of weakly characterised sensors

Modelling systems of weakly characterised sensors

引用

Conference on unmanned/unattended sensors and sensor networks IX

作者： Willis, Chris J. BAE SYST Adv Technol Ctr Chelmsford CM2 8HN Essex England

ISBN: (纸本)9780819492814

The modelling of the Automatic Target Detection, Recognition and Identification performance in systems of multiple sensors and/or platforms is important in several respects. For example, in the selection of sensors or sensor combinations of sufficient performance to achieve operational requirements or;for understanding how the system might be best exploited. To this end a simulation framework has been developed examining sensor options across different sensor types, parameterisations, search strategies, and applications. It uses Bayesian Decision Theoretic principles, along with simple sensor models and Monte-Carlo simulation, to derive the expected performance of single deployed sensors and of sensor combinations. The basic framework has been significantly extended to include recognition and identification problems along with the detection problem for which it was originally designed. The framework has also been expanded to treat cases in which the sensors are poorly characterised, and recommendations for parameterisation in this mode are made. The sensor system modelling framework has been applied to a number of illustrative problems. These range from simple target detection problems using sensors of differing performance or of different regional search schemes, through to examinations of: the number of measurements required to reach threshold performance;the effects of sensor measurement cost;issues relating to the poor characterisation of sensors within the system, and;the performance of a more elaborate combined detection and recognition sensor system. Generally, these results tend to show that the method is able to quantify qualitative expectations of performance, and is sufficiently powerful to highlight some unexpected aspects of operation.

关键词： performance modelling surveillance/reconnaissance ISTAR target detection/recognition/identification sensor management sensor system Monte-Carlo simulation weak characterisation

来源：评论

学校读者我要写书评

暂无评论

An Open Communication and sensor Platform for Urban Search and Rescue Operations

An Open Communication and Sensor Platform for Urban Search a...

引用

Conference on unmanned/unattended sensors and sensor networks IX

作者： Korkalainen, Marko Mayra, Aki P. Kansala, Klaus VTT Tech Res Ctr Finland Oulu 90571 Finland

ISBN: (纸本)9780819492814

In this paper, we present research results carried out in EU funded project SGL for USaR (Second Generation Locator for Urban Search and Rescue Operations). The project aims to develop wireless standalone communication system with embedded sensor network, which is targeted to detect signs of life, locate victims in disaster areas and detect hazards. The system consists of REDS (Remote Early Detection System) wireless sensor network and FIRST portable first responder device integrating 5 different victim location methods. REDS has wireless CO and CO2 sensors, a camera, vibration sensors and a sound sensor for detection of life signs. The system provides also a pointing device to locate objects on the search area. Victim positioning is possible with GPS and radio based time of flight methods. Portable and user operated FIRST device combines field chemical, audio and video measurements for early location of entrapped people, detection of buried people, air quality monitoring in confined spaces and safety and security monitoring. The system level communication is divided in two levels: sensor network level uses short range local communication and communication hubs, which use long range high level communication with operation command centre. During the project, implemented REDS sensor network and FIRST device have been tested on a field conditions and they have proven to be robust and reliable.

关键词： USaR operations wireless communication radio based positioning multi-sensor devices hazard detection first responders

来源：评论

学校读者我要写书评

暂无评论

没有更多数据了...

全选清除本页清除全部题录导出标记到“检索档案”

共19页 << < 1 2 3 4 5 6 7 8 9 10 > >>

检索报告对象比较合并检索0

隐藏清空

合并搜索

回到顶部

执行限定条件

内容：

评分：

请选择保存的检索档案：

请选择收藏分类：

订阅名称：

通借通还

温馨提示：

图书名称：

借书校区：

取书校区：

手机号码：

邮箱地址：

一卡通帐号：

电话和邮箱必须正确填写，我们会与您联系确认。

联系人：

所在院系：

联系邮箱：

联系电话：

内蒙古自治区呼和浩特市赛罕区大学西街235号邮编: 010021

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：