to get information about the topic wireless sensor networks full report ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-wireless-sensor-networks-full-report ....etc

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hi dear admin
I need the tutorial of qualnet for wireless sensor network for my project..so please help me. ....etc

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Abstract
In this letter, we analyze a class of Opportunistic Power Allocation (OPA) and sensor selection schemes for parameter estimation in wireless sensor networks. In all cases, only sensors experiencing favorable conditions participate in the estimation process by adjusting their transmit power on the basis of local Channel State Information (CSI) and Residual Energy Information. We address a number of classical problems: the minimization of distortion and transmit power, or the enhancement of network lifetime. Furthermore, we derive an ....etc

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Wireless sensor networks (WSN), sometimes called wireless sensor and actuator networks (WSAN),are spatially distributed autonomous sensors to monitor physical or environmental conditions, such as temperature, sound, pressure, etc. and to cooperatively pass their data through the network to a main location. The more modern networks are bi-directional, also enabling control of sensor activity. The development of wireless sensor networks was motivated by military applications such as battlefield surveillance; today such networks are used in many i ....etc

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to get information about the topic accident prevention eye blink sensor using ir sensor full report ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-eye-blink-sensing-an-accident-preventer

http://seminarsprojects.net/Thread-eye-blink-sensor-accident-prevention?pid=104332 ....etc

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Sensor:

Sensor plays very important role in robotics and plant automation. One of the important areas in Industrial applications is Interfacing their output to the firmware. It is very important to understand their parameters to design a control system. Some examples for the sensors that are mainly used in industries are temperature, gas, humidity, IR, PIR, Laser, Ultrasonic, etc.

Developing projects based on sensors is very good idea and we can clearly understand their applications and limitations. Fuzzy logic, SCADA, Data acquisition ar ....etc

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pdf on humidity sensor seminar topic

Single-Chip Relative Humidity and Temperature Sensors
Silicon Labs Si70xx state of the art relative humidity and temperature sensors utilize proven techniques for measuring humidity using polymer dielectric film along with CMOS mixed signal integrated circuits. These monolithic ICs combine fully calibrated humidity and temperature sensing elements, an I2C or PWM interface and on-chip signal conditioning into a compact, rugged and reliable package.

Humidity sensors from Measurement Specialties are designed ....etc

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Connected Sensor Cover: Self-Organization of Sensor Networks for Efficient Query Execution (Java)
IEE/ACM Transactions on Networking, Vol. 14, No. 1

Abstract:
Spatial query execution is an essential functionality of a sensor network, where a query gathers sensor data within a specific geographic region. Redundancy within a sensor network can be exploited to reduce the communication cost incurred in execution of such queries. Any reduction in communication cost would result in an efficient use of the battery energy, which is ....etc

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Tiny Dew Sensor

Dew (condensed moisture) adversely affects the normal performance of sensitive electronic devices. A low-cost circuit described here can be used to switch off any gadget automatically in case of excessive humidity. At the heart of the circuit is an inexpensive (resistor type) dew sensor element. Although dew sensor elements are widely used in video cassette players and recorders, these may not be easily available in local market. However, th ....etc

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