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Tag Archive: Ns2 Projects

Zone 2 distance protection coordination with distribution feeder protection

In recent years, renewable energy generators have been widely promoted in Ontario to offset their polluting counterparts. Due to connection cost of these generations, most of the renewable generation stations are connected to Hydro One transmission system at nearby HV transmission lines. However, the direct connections of the generation on the transmission line result in […]

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AWGR-based large port count data center architecture with extended frequency range

Arrayed Waveguide Grating Router (AWGR) is currently one of the most promising components in data center interconnections for its passive and non-blocking feature. However, the scalability is restricted by the limited channel count. In this paper, by using multiple free spectral ranges (FSRs) of AWGR and couplers, we report a novel data center architecture with […]

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A cavityless laser using cesium cell with 459 nm laser pumping

In this paper, we present a laser scheme without cavity in a 10 cm cesium cell as a potential active optical frequency standard. Since no cavity is applied, the stimulated light is emitted from the atoms directly and the center frequency of output laser light is solely determined by atoms without cavity pulling. The threshold […]

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Enhancing the Performance of the Quasi-ML Receiver (Detector and Decoder) for Coded MIMO Systems Via Statistical Information

We propose a statistical information based approach to enhance the performance of the non-iterative quasi-maximumlikelihood (QML) receiver (detector plus decoder) recorded at the output of the channel decoder for coded multiple-input multiple-output (MIMO) systems. As an illustrative example, the QR decomposition with an M-algorithm (QRD-M) based non-iterative QML receiver is employed in this correspondence. We […]

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PALDi: Online Load Disaggregation via Particle Filtering

Smart metering and fine-grained energy data are one of the major enablers for future smart grid and improved energy efficiency in smart homes. Using the information provided by smart meter power draw, valuable information can be extracted as disaggregated appliance power draws by non-intrusive load monitoring (NILM). NILM allows to identify appliances according to their […]

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Online adaptative zero-shot learning spoken language understanding using word-embedding

Many recent competitive state-of-the-art solutions for understanding of speech data have in common to be probabilistic and to rely on machine learning algorithms to train their models from large amount of data. The difficulty remains in the cost and time of collecting and annotating such data, but also to update the existing models to new […]

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Proposition and demonstration of 3tr. type ion image sensor pixel structure for highly resolution bio-imaging

We propose a pixel construction for a pH image sensor with a new measurement method that spills charge to a potential wall under sensing area. The sensor pixel with 3 transistors has advantages for fabricating the sensor array with high spatial resolution compared with a conventional ISFET type sensor array using 4 transistors. The pixel […]

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Design and optimization of a shaped-beam ka-band substrate integrated waveguide antenna array

Millimeter-wave antenna array Beam Forming Networks in Substrate Integrated Waveguide (SIW) technology are an attractive alternative to the use of TEM transmission lines, such as microstrip or stripline. SIW allows reducing the transmission losses while maintaining low price and simple, yet accurate, fabrication of the Printed Circuit Board technology. However, SIW design has additional restrictions and limitations […]

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Wavelength conflict resolution by spectral overlap of two Nyquist-WDM signals

Two Nyquist-WDM signals arc spectrally overlapped to resolve the possible wavelength conflict innetwork routing. Recovery of individual signals is realized by digital signal processing techniques and has been experimentally demonstrated and characterized.

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Low-Cost Compact Circularly Polarized Directional Antenna for Universal UHF RFID Handheld Reader Applications

A low-cost compact circularly polarized (CP) directional antenna is proposed for universal ultra-high frequency (UHF) RF identification (RFID) handheld reader applications. The antenna consists of four sequentially rotated inverted-F antennas (IFAs) fed by a compact four-feed network with closed-form design formulas. A prototype is implemented by FR-4 substrates and a thick air layer for the reduction of […]

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