搜索结果: 106-120 共查到“工学 Indoor”相关记录129条 . 查询时间(0.125 秒)
Validating Trace Metals Levels in PM2.5 Aerosols from Indoor and Outdoor Polluting Premises
Trace metals PM2.5 car-parks buildings air pollution
font style='font-size:12px;'>
2010/12/22
Problem statement: Our studies revealed high trace metals concentrations in PM2.5 aerosols from Residential Buildings (RB-I) and enclosed Car Parks (CP-I) indoor than in outdoor Residential Buildings ...
A BLUETOOTH-BASED INDOOR LBS SYSTEM
Bluetooth WebGIS Server-Client Indoor Positioning Navigation Ubiquitous GIS Location Based Service(LBS) Shortest Path
font style='font-size:12px;'>
2014/6/12
The Location Based Service (LBS) market has been growing tremendously over the last few years. Mobility and positioning(especially indoor) have been the key features behind the success of LBS. Bluetoo...
DEFINING SPATIAL NEIGHBORHOODS FOR 3D TOPOLOGICAL ANALYSIS IN INDOOR SPACE
Network-based Topological Model Spatial Neighborhoods 3D GIS Shortest Path
font style='font-size:12px;'>
2014/6/11
Since September 11, 2001, geospatial researchers have been interested in utilizing GIScience technologies to solve geographical questions in micro-scale space in built-environments such as i...
DECISION SUPPORT SYSTEMS USING 3D OGC SERVICES AND INDOOR ROUTING – EXAMPLE SCENARIO FROM THE OWS-6 TESTBED
OWS-6 Decision Support Systems Indoor Routing Emergency Response 3D Visualization
font style='font-size:12px;'>
2014/6/11
The OGC OWS testbeds are conducted annually with partners from the industry, research institutes and universities. A Decision Support Scenario (DSS) has been designed for investigating the combination...
OPEN ISSUES IN BRINGING 3D TO LOCATION BASED SERVICES (LBS) - A REVIEW FOCUSING ON 3D DATA STREAMING AND 3D INDOOR NAVIGATION
Data Streaming Indoor Navigation Indoor Routing 3D 3D city models
font style='font-size:12px;'>
2014/6/11
As the mobile Internet becomes ubiquitous with increasing bandwidth and as a broad range of always more powerful mobile devices appear Location Based Services (LBS) finally have become commonplace ten...
Friction Property and Mechanism of Indoor Optical Fiber Cable and Optimization for Access Network to MDUs
Equipment techniques Fiber materials
font style='font-size:12px;'>
2015/6/5
We studied the cable friction and found that it depends on polymer sheath stiffness and lubricants. Optimization should prevent stick-slip motion and reduce the friction by controlling the polymer sti...
Simultaneous Transmission of 256-QAM WIMAX at 5.7GHz and Optically Generated Impulse Radio UWB over Fiber for Indoor Wireless Multi-Services
Radio frequency photonics Optical communications
font style='font-size:12px;'>
2015/6/4
Fiber transmission of simultaneous optically generated FCC compliant 625Mbps impulse radio UWB and 80Mbps 256-QAM IEEE 802.16 WIMAX signals is experimentally demonstrated by using a single directly mo...
An RFID based indoor tracking method for navigating visually impaired people
Tracking location estimation RF signals Bayes RFID classification
font style='font-size:12px;'>
2010/10/12
This paper tackles the RFID based tracking problem in an obscured indoor environment. The proposed solution is an integral part of a navigation aid for guiding visually impaired people in a store. It ...
Characteristics of Residential Indoor Carbonaceous Aerosols: A Case Study in Guangzhou, Pearl River Delta Region
Indoor air PM2.5 Organic carbon Elemental carbon
font style='font-size:12px;'>
2016/3/29
Nine residences located in Guangzhou were selected to characterise indoor fine particles (PM2.5), organic carbon (OC)
and elemental carbon (EC) during summer time. These nine residences were classifi...
The Indoor and Outdoor Carbonaceous Pollution during Winter and Summer in Rural Areas of Shaanxi, China
PM2.5 Organic carbon Elemental carbon Rural areas
font style='font-size:12px;'>
2016/3/29
Indoor and outdoor concentrations of PM2.5, OC, EC and BC were investigated at three rural sites during the winter of
2007 and the summer of 2008 in Shaanxi, China. The average indoor concentrations ...
A Novel Statistical AOA Model Pertinent to Indoor Geolocation
angle-of-arrival indoor geolocation statistical modeling ray-tracing
font style='font-size:12px;'>
2013/3/5
A novel statistical angle-of-arrival (AOA) model for indoor geolocation applications is presented. The modeling approach focuses on the arrivals of the multipath components with respect to the line-of...
Feasibility Study of Integrated Optical Phased Arrays for Indoor Gb/s Wireless Optical Links
Integrated Optical Phased Arrays Indoor Gb/s Wireless Optical Links
font style='font-size:12px;'>
2015/7/17
Link budget calculations are performed to study the potential of integrated optical phased arrays for Gb/s wireless links. A link with two integrated OPAs is feasible with a beam steering range of a f...
Characterization of Indoor Power lines As Data Communication Channels Experimental Details
Power line Communication Transfer Function Channel Modeling Signal Transmission
font style='font-size:12px;'>
2010/2/2
In this paper, a multi-branch power line is modeled
using ABCD matrix to show its worth as a communication channel.
The model is simulated using MATLAB in an effort to investigate
the effects of mu...
Field Measurement of Carbonyl Compound Concentration in Indoor Air of Wooden Residential Houses Newly Constructed from 2001 to 2002
indoor air new wooden house formaldehyde acetaldehyde wood-based material
font style='font-size:12px;'>
2009/3/6
Carbonyl compound concentration was surveyed in the indoor air of fifty-two new wooden residential houses constructed with different construction methods from 2001 to 2002. House construction method ...
Changes of Indoor Humidity in Various Living Spaces
log house wooden house reinforced concrete building various living spaces indoor nighttime humidity
font style='font-size:12px;'>
2009/3/6
The changes in temperature and humidity in various living spaces were observed for about one year. As the windows and doors in any living spaces were mostly closed from 9 : 00 p.m. to 6 : 00 a.m., nig...