Creator | Title | Description | Subject | Date | ||
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76 | An efficient algorithm for joint estimation of differential time delays and frequency offsets | ABSTRACT This paper introduces an efficient algorithm that jointly estimates differential time delays and frequency offsets between two signals. The approach is a two-step procedure. First, the differential frequency offsets are estimated from measurement of the autocorrelation functions of the rec... | 1992 | |||

77 | An efficient algorithm for lattice filter/predictor | ABSTRACT An efficient method for updating the lattice filter/predictor coefficients using the sign algorithm is introduced. The pertinent coefficients are updated using only the signs of the estimation errors at each stage. This method requires less number of multiplications than other adaptive la... | 1985 | |||

78 | An efficient stochastic approach to uncertainty quantification in 3-D FDTD magnetized cold plasma | An efficient stochastic finite-difference time-domain (S-FDTD) method is developed to analyze electromagnetic field variability in three dimensional anisotropic magnetized plasma. The new S-FDTD plasma model provides a full understanding of the true physics due to the associated uncertainties and ha... | 2014-01-01 | |||

79 | An exothermal energy release layer for microchip transience | A single layer nanothermite spin coated gel has been utilized as a solid-state exothermic energy release layer for triggered microchip transience. A proportional combination of self-assembled CuO/Al nanothermite and Napalm-B as gelling agent has been used to develop for the first time a spinable nan... | 2013-01-01 | |||

80 | An improvement in partial order reduction using behavioral analysis | Efficacy of partial order reduction in reducing state space relies on adequate extraction of the independence relation among possible behaviors. However, traditional approaches by statically analyzing system model structures are often not able to reveal enough independence for reduction. To address ... | 2012-01-01 | |||

81 | An optimal design procedure for intraband vector quantized subband coding | AbstTact- Subband coding with vector quantization is addressed in this paper. Forming the data vectors from both between and within the subbands is considered. The former of these two schemes is referred to as interband coding and the latter as intraband coding. Interband coder design is relatively ... | 1995 | |||

82 | Analog MAP decoder for (8, 4) hamming code in subthreshold CMOS | An all-MOS analog implementation of a MAP decoder is presented for the (8, 4) extended Hamming code. This paper describes the design and analysis of a tail-biting trellis decoder implementation using subthreshold CMOS devices. A VLSI test chip has recently returned from fabrication, and preliminary ... | 2001 | |||

83 | Analog MAP decoder for (8, 4) hamming code in subthreshold CMOS | Abstract - An all-MOS analog tail-biting MAP decoder is presented for an (8,4) Hamming code. The decoder implements a probability propagation algorithm using subthreshold CMOS networks. Physical results verify the expected behavior of the decoderand demonstrate robustness of analog decoding circuit... | 2001 | |||

84 | Analog MAP decoder for (8,4) hamming code in subthreshold CMOS | An all-MOS analog tail-biting MAP decoder is presented for an (8,4) Hamming code. The decoder implements a probability propagation algorithm using subthreshold CMOS networks. Physical results verify the expected behavior of the decoder and demonstrate robustness of analog decoding circuits. | MAP decoder; Hamming code; VLSI | 2004-01-01 | ||

85 | Analog VLSI implementation of a visual interneuron: enhanced sensory processing through biophysical modeling | Flies are capable of rapid, coordinated flight through unstructured environments. This flight is guided by visual motion information that is extracted from photoreceptors in a robust manner. One feature of the fly's visual processing that adds to this robustness is the saturation of wide-fi_x000... | 1999-01-01 | |||

86 | Analog VLSI model of the fly elementary motion detector | Flies are capable of rapidly detecting and integrating visual motion information in behaviorly-relevant ways. The first stage of visual motion processing in flies is a retinotopic array of functional units known as elementary motion detectors (EMDs). Several decades ago, Reichardt and colleagues de... | 1998-01-01 | |||

87 | Analog decoding of product codes | A design approach is presented for soft-decision decoding of block product codes ("block turbo codes") using analog computation with MOS devices. Application of analog decoding to large code sizes is also considered with the introduction of serial analog interfaces and pipeline schedules. | 2001 | |||

88 | Analog decoding of product codes | A design approach is presented for soft-decision decoding of block product codes ("block turbo codes") using analog computation with MOS devices. Application of analog decoding to large code sizes is also considered with the introduction of serial analog interfaces and pipeline schedules. | 2001-01-11 | |||

89 | Analog decoding of product codes | Abstract - A method is presented for analog softdecision decoding of block product codes (block turbo codes). Extrinsic information is exchanged as analog signals between component row and column decoders. The component MAP decoders use low-power analog computation in subthreshold CMOS circuits t... | 2002 | |||

90 | Analog decoding of product codes | A method is presented for analog softdecision decoding of block product codes (block turbo codes). Extrinsic information is exchanged as analog signals between component row and column decoders. The component MAP decoders use low-power analog computation in subthreshold CMOS circuits to implement th... | 2002 | |||

91 | Analysis of electromagnetic field variability in magnetized ionosphere plasma using the stochastic FDTD method | A stochastic finite-difference time-domain (S-FDTD) algorithm is presented for electromagnetic wave propagation in anisotropic magnetized plasma. This new algorithm efficiently calculates in a single simulation not only the mean electromagnetic field values, but also their variance as caused by the ... | 2014-01-01 | |||

92 | Analysis of spread spectrum time domain reflectometry for wire fault location | Spread spectrum time domain reflectometry (SSTDR) and sequence time domain reflectometry have been demonstrated to be effective technologies for locating intermittent faults on aircraft wires carrying typical signals in flight. This paper examines the parameters that control the accuracy, latency, ... | Spread spectrum; Sequence time domain reflectometry; STDR; SSTDR; Wire fault location; Aging wire detection; Arc detection | 2005-12 | ||

93 | Analysis of the short-time unbiased spectrum estimation algorithm | Abstract- The short-time unbiased spectrum estimation (STUSE) algorithm is analyzed and expressions for the mean and variance of the spectrum estimates are derived. The STUSE algorithm deliberately adds biased spectrum estimates in order to yield unbiased estimates and at the same time have excellen... | 1985 | |||

94 | Anisotropic diffusion of surface normals for feature preserving surface reconstruction | For 3D surface reconstruction problems with noisy and incomplete range data measure d from complex scenes with arbitrary topologies, a low-level representation, such as level set surfaces, is used. Such surface reconstruction is typically accomplished by minimizing a weighted sum of data-model discr... | 2003 | |||

95 | Anisotropic diffusion of surface normals for feature preserving surface reconstruction | For 3D surface reconstruction problems with noisy and incomplete range data measured from complex scenes with arbitrary topologies, a low-level representation, such as level set surfaces, is used. Such surface reconstruction is typically accomplished by minimizing a weighted sum of data-model discre... | 2003 | |||

96 | Antenna optimization for vehicular environments | Abstract? This paper presents a multi-antenna optimization for communication in a Rockwell T-39 Sabreliner, a mid-size aircraft with a metallic body. The aircraft channel at 2.45 GHz is modeled using site specific 3D ray-tracing software. Added effects from system details including the antenna radi... | 2011 | |||

97 | Application of phase detection frequency domain reflectometry for locating faults in an F-18 flight control harness | The performance of a phase-detection frequency-domain reflectometer (PD-FDR) for locating open and short circuits (hard faults) in a Navy F-18 flight control harness has been tested, and the analytical expressions for accuracy verified. Nine different types of aircraft wires appear in this harness:... | Phase detection; Frequency domain reflectometry; PD-FDR; Wire fault location; Aging wire; Flight control harness | 2005-05 | ||

98 | Architectural synthesis of timed asynchronous systems | This paper describes a new method for architectural synthesis of timed asynchronous systems. Due to the variable delays associated with asynchronous resources, implicit schedules are created by the addition of supplementary constraints between resources. Since the number of schedules grows exponenti... | 1999 | |||

99 | Atomic force microscopy study of ordered GaInP | Examines the nature of the steps on the surface of gallium indium phosphide lattice layers matched to gallium arsenide substrates using atomic force microscopy. Temperatures of organometallic vapor phase epitaxy used; Relation of height of steps with misorientation angle; Link of supersteps with the... | Surface chemistry; Lattice theory | 1995 | ||

100 | Atomic ordering of GaInP studied by Kelvin probe force microscopy | The atomic ordering of GaInP has been established and studied by a variety of methods, including transmission electron microscopy, cathodoluminescence, and photoluminescence. In this work, a Kelvin probe force microscope _x0002_KPFM_x0003_ has been employed to image several GaInP samples previous... | Cathodoluminescence; Photoluminescence; Surface morphology | 1995 |