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Showing 1 to 20 of 244 for “"cascaded"”.
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Image Compression Using Cascaded Neural Networks
… of 2-layer neural networks to a combination of cascaded networks with one node in the hidden layer. A redistribution of the gray levels in the training phase is implemented in a random fashion to make the minimization of the mean square error applicable to a broad range of images. The …
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Fast human detection with cascaded ensembles
Detecting people in images is a challenging task because of the variability in clothing and illumination conditions, and the wide range of poses that people can adopt. To discriminate the human shape clearly, Dalal and Triggs [1] proposed a gradient based, robust feature set that yielded excellent …
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Cascaded Digital Refinement for Intrinsic Evolvable Hardware
… computations. The approach developed herein, Cascaded Digital Refinement (CaDR), explores a multi-level strategy of utilizing DDC for refining intrinsic evolution of analog computational circuits to construct building blocks, known as Constituent Functional Blocks (CFBs). The CFBs are …
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Improving Cascaded Systems in Spoken Language Processing
… Therefore, in spoken language processing, a cascaded structure is widely adopted. This breaks down the complex task into simpler modules, so that individual modules can be trained with sufficient amount of data from the associated domains. However, this simplified cascaded structure suffers …
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An energy-aware framework for cascaded detection algorithms
… a framework that imposes energy-awareness on cascaded detection algorithms, which enforces proper operation of the cascade to maximize detection performance for a given energy budget. This is achieved by solving our proposed energy-constrained version of the Neyman-Pearson detection criterion, …
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Cascaded ROADM Filter Replication and the Effects of Statistical Variations in the Response of Cascaded ROADMs on 100 Gb/s DP-QPSK System Performance
… filters from a signal being transmitted through cascaded ROADMs. The real-time testing section was based around using a WaveLogic 3 real-time transceiver in QPSK mode. In this setting, the transceiver sends and receives a QPSK signal, performing all of its digital signal processing in real-time. …
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Transfer Function Synthesis Based on Cascaded Rc and Rl Networks
Made available in DSpace on 2014-12-04T21:03:18Z (GMT). No. of bitstreams: 1 6100095.pdf: 4081980 bytes, checksum: ba36a9468461154c544803ca924a0055 (MD5) Previous issue date: 1960
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A high-speed cascaded folding and interpolating A/D converter
… to its complication in the folding operation. Cascaded folding and interpolating architecture is then adopted to alleviate the problem. The design of a 10-bit, 55MSPS ADC is presented to illustrate the merits of the architecture. Data conversion is conducted in two parallel blocks, the MSB and …
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Integration of energy storage components with cascaded H-bridge multilevel converters
… topologies: diode-clamped, flying-capacitor, and cascaded H-bridge. A cascaded H-bridge multilevel converter is created when several H-bridge cells are placed in series. Each H-bridge cell must be fed by a stiff voltage source. In earlier implementations, every one of these voltage sources had to …
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The Modeling and Control of a Cascaded-Multilevel Converter-Based STATCOM
… compensator (STATCOM) systems utilizing cascaded-multilevel converters (CMCs). Among flexible AC transmission system (FACTS) controllers, the STATCOM has shown feasibility in terms of cost-effectiveness in a wide range of problem-solving abilities from transmission to distribution levels. …
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Speech Coder using Line Spectral Frequencies of Cascaded Second Order Predictors
… a new speech coding approach, Vector Sum Excited Cascaded Linear Prediction (VSECLP), based on code excited linear prediction. We implement forward linear prediction using five cascaded second order sections - parameterized in terms of line spectral frequency - in place of the conventional tenth …
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Modeling and Simulation of a Cascaded Three-Level Converter-Based SSSC
… synchronous compensator (SSSC) systems utilizing cascaded-multilevel converters (CMCs). Among flexible AC transmission system (FACTS) controllers, the SSSC has shown feasibility in terms of cost-effectiveness in a wide range of problem-solving abilities from transmission to distribution levels. …
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Performance of four-stage cascaded fiber optical parametric amplifier (FOPA) using optisystem
… gain and bandwidth. One of the approaches is a cascaded FOPA. A cascaded FOPA is a FOPA with two or more active media, commonly known as a highly nonlinear fiber (HNLF). Previous experimental work shows that the improvement in gain and bandwidth of the cascaded FOPA depends on the passive or …
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Cascaded High Voltage Converter with Variable Control for Pulsed Electric Field Applications
… produce biofuel. The proposed system consists of cascaded power converters that provide a pulse output voltage in order to create a pulsed electric field (PEF) to lyse algae. The proposed system is unique from any known PEF systems because it provides the ability to independently adjust peak …
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Data Driven Approach for Increasing Power Grid Situational Awareness and Mitigating Cascaded Failures
<p>The main purpose of this thesis is to use Artificial Neural network as a tool to monitor system health and performance. In other word Using ANN can increase the system awareness and can be used as a tool to mitigate cascade failure in power grid due to loss of communication in a critical power …
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Comparative Study of Power Semiconductor Devices in a Multilevel Cascaded H-Bridge Inverter
… the performance of a nine-level transformerless cascaded H-bridge (CHB) inverter with integrated battery energy storage system (BESS) using SiC power MOSFETs and Si IGBTs. Two crucial performance drivers for inverter applications are power loss and efficiency. Both of these are investigated in …
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All-optical signal processing using cascaded quadratic interactions in periodically poled lithium niobate waveguides
… investigates all-optical signal processing using cascaded quadratic nonlinearities in periodically poled lithium niobate (PPLN) waveguides for telecommunication applications. PPLN waveguides which possess high second-order nonlinearity are attractive due to their suitable properties with respect …
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Numerical Design of a 3-Stage Cascaded Thermal Energy Storage System for Solar Application
The analysis of a three-stage cascaded thermal energy storage is presented in this dissertation. Cascaded thermal energy storage systems has many advantages over conventional thermal energy storages, majorly it allows for maintaining of a nigh-constant temperature between the HTF and PCM during the …
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