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Deployment of sensors is a critical issue in the sensor network designing since it has significant impact on the performance of the network and determines the cost of deployment. Coverage and Connectivity can be considered as a performance measure of a Wireless sensor network (WSN) through which the quality of service (QoS) can be evaluated. We proposed a new strategy for sensor deployment and have...
This paper presents a method for carrying out fast inversion of Hermitian positive definite complex matrices using real inverse operations and suggests its application to computation of MIMO LMMSE Detector. The proposed method reduces the number of real operations required by an existing method by 8 times asymptotically. It also talks about possible extension of the proposed method to arbitrary complex...
Non-destructive testing (NDT) techniques are most commonly employed for detection and characterization of flaws in the component. Apart from flaw characteristics, another parameter which is equally important to assess the structural integrity of engineering components is the material property. Nondestructive testing techniques offer several advantages over the conventional coupon-based techniques...
Electrodes with nano-scale gaps have been fabricated using metallic nano-wires, derived via milling of thin films with focused ion beam (FIB) and passing current ~1012A/m2. Their I-V characteristics measured at a pressure ~10-6 mbar are shown to follow Child-Langmuir law or Fowler-Nordheim field emission depending upon the gap.
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