Three applications of radio frequency identification (RFID) technology in pavement engineering are examined. The first follows previous work on tracking hot-mix asphalt (HMA) concrete using passive RFID tags. Some tags were observed on the Continue reading
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Tag: RF
Indoor Positioning at Arlanda Airport (Electronics Project)
Recent years have witnessed remarkable developements in wireless positioning systems to satisfy the need of the market for real-time services. At Arlanda airport in Stockholm, LFV – department of research and developement wanted to invest in Continue reading
Low Noise Amplifier for Radio Telescope at 1: 42 GHz (Electrical/Electronics Project)
This is a part of the project “Radio telescope system” working at 1.42 GHz, which includes designing of patch antenna and LNA. The main objective of this project is to design a two stage low noise amplifier for a radio telescope system, working at Continue reading
Embedded Strain Sensor with Power Scavenging from Bridge Vibration (Civil Project)
The objective of this study is to investigate an embedded strain sensor system with power scavenged from highway bridge vibration for structure health monitoring. A power scavenging scheme is developed to Continue reading
Temporal variations of IEEE 802.11b signal strengths in an in-building environment (Electronics Project)
Recent popularity of the IEEE 802.11b Wireless Local Area Networks (WLANs) in a host of current-day applications has instigated a suite of research challenges. The 802.11b WLANs are highly Continue reading
Horus: A WLAN based Indoor Location Determination System (Computer Project)
As ubiquitous computing becomes more popular, the need for context-aware applications increases. The context of an application refers to the Continue reading
A High Speed Sigma Delta A/D-Converter for a General Purpose RF Front End in 90nm-Technology (EEE/ECE Project)
In this report a transistor-level design of a GHz Sigma-Delta analog-to-digital converter for an RF front end is proposed. The design is current driven, where the Continue reading
Low Power Smartdust Receiver with Novel Applications and Improvements of an RF Power Harvesting Circuit (Electronics Project)
Smartdust is the evolution of wireless sensor networks to cubic centimeter dimensions or less. Smartdust systems have advantages in cost, flexibility, and rapid deployment that make them ideal for many Continue reading
Remote Controlled Metal Detecting Robot with Remote Image Transmission (Electronics Project)
Path Finder was sent to Mars in 1998. This was achievement a great which detected the secrets of “Mars”. This project deals with RF controlled robot and it is a prototype for the “Path Finder”.
The robot is controlled by a Continue reading
RF wireless PWM DC motor speed control (Electronics Project)
The transmitter circuit below consists of WZ-X01 RF module, Holtek HT-640 encoder and 8 bit A/D converter. U1 ADC0804 converts the analog voltage to digital data, Continue reading