Now showing items 483-502 of 1298

    • High-Ampacity Power Cables of Tightly-Packed and Aligned Carbon Nanotubes 

      Wang, Xuan; Behabtu, Natnael; Young, Colin C.; Tsentalovich, Dmitri E.; Pasquali, Matteo; Kono, Junichiro (2014)
      The current-carrying capacity (CCC), or ampacity, of highly-conductive, light, and strong carbon nanotube (CNT) fibers is characterized by measuring their failure current density (FCD) and continuous current rating (CCR) ...
    • High-density sub-100-nm peptide-gold nanoparticle complexes improve vaccine presentation by dendritic cells in vitro 

      Lin, Adam Yuh; Lunsford, Jessica; Bear, Adham Sean; Young, Joseph Keith; Eckels, Phillip; Luo, Laureen; Foster, Aaron Edward; Drezek, Rebekah Anna (2013)
      Nanocarriers have been explored to improve the delivery of tumor antigens to dendritic cells (DCs). Gold nanoparticles are attractive nanocarriers because they are inert, non-toxic, and can be readily endocytosed by DCs. ...
    • High-Level Design Tools for Complex DSP Applications 

      Sun, Yang; Amiri, Kiarash; Wang, Guohui; Yin, Bei; Cavallaro, Joseph R.; Ly, Tai (2012-07-12)
      High-level synthesis design methodology - High level synthesis (HLS) [1], also known as behavioral synthesis and algorithmic synthesis, is a design process in which a high level, functional description of a design is ...
    • High-Power DFB Diode Laser-Based CO-QEPAS Sensor: Optimization and Performance 

      Ma, Yufei; Tong, Yao; He, Ying; Yu, Xin; Tittel, Frank K. (2018)
      A highly sensitive carbon monoxide (CO) trace gas sensor based on quartz-enhanced photoacoustic spectroscopy (QEPAS) was demonstrated. A high-power distributed feedback (DFB), continuous wave (CW) 2.33 μm diode laser with ...
    • High-Resolution Navigation on Non-Differentiable Image Manifolds 

      Wakin, Michael; Donoho, David; Choi, Hyeokho; Baraniuk, Richard G. (2005-03-01)
      The images generated by varying the underlying articulation parameters of an object (pose, attitude, light source position, and so on) can be viewed as points on a low-dimensional <i>image parameter articulation manifold</i> ...
    • High-Throughput Contention-Free Concurrent Interleaver Architecture for Multi-Standard Turbo Decoder 

      Wang, Guohui; Sun, Yang; Cavallaro, Joseph R.; Guo, Yuanbin (2011-09-01)
      To meet the higher data rate requirement of emerging wireless communication technology, numerous parallel turbo decoder architectures have been developed. However, the interleaver has become a major bottleneck that limits ...
    • High-Throughput Data Detection for Massive MU-MIMO-OFDM Using Coordinate Descent 

      Wu, Michael; Dick, Chris; Cavallaro, Joseph R.; Studer, Christoph (2016)
      Data detection in massive multi-user (MU) multiple-input multiple-output (MIMO) wireless systems is among the most critical tasks due to the excessively high implementation complexity. In this paper, we propose a novel, ...
    • High-Throughput Multi-rate LDPC Decoder based on Architecture-Oriented Parity Check Matrices 

      Radosavljevic, Predrag; de Baynast, Alexandre; Karkooti, Marjan; Cavallaro, Joseph R. (2006-09-01)
      A high throughput pipelined LDPC decoder that supports multiple code rates and codeword sizes is proposed. In order to increase memory throughput, irregular block structured parity-check matrices are designed with the ...
    • High-Throughput Multi-rate LDPC Decoder based on Architecture-Oriented Parity-Check Matrices 

      Radosavljevic, Predrag; de Baynast, Alexandre; Karkooti, Marjan; Cavallaro, Joseph R. (2006-02-01)
      High throughput pipelined LDPC decoder that supports multiple code rates and codeword sizes is proposed. In order to increase memory throughput, irregular block structured parity-check matrices are designed with the ...
    • High-Throughput Soft-Output MIMO Detector Based on Path-Preserving Trellis-Search Algorithm 

      Sun, Yang; Cavallaro, Joseph R. (2012-07-01)
      In this paper, we propose a novel path-preserving trellis-search (PPTS) algorithm and its high-speed VLSI architecture for soft-output multiple-input-multiple-output (MIMO) detection. We represent the search space of the ...
    • Highly Scalable On-the-Fly Interleaved Address Generation for UMTS/HSPA+ Parallel Turbo Decoder 

      Vosoughi, Aida; Wang, Guohui; Shen, Hao; Cavallaro, Joseph R.; Guo, Yuanbin (2013-06-01)
      High throughput parallel interleaver design is a major challenge in designing parallel turbo decoders that conform to high data rate requirements of advanced standards such as HSPA+. The hardware complexity of the HSPA+ ...
    • Highly sensitive and selective CO sensor using a 2.33 μm diode laser and wavelength modulation spectroscopy 

      Cui, Ruyue; Dong, Lei; Wu, Hongpeng; Li, Shangzhi; Zhang, Lei; Ma, Weiguang; Yin, Wangbao; Xiao, Liantuan; Jia, Suotang; Tittel, Frank K. (2018)
      A ppm-level CO sensor based on a 2f wavelength modulation spectroscopy (2f-WMS) technique was developed for the application of SF6 decomposition analysis in an electric power system. A detailed investigation of the optimum ...
    • Highly sensitive gas leak detector based on a quartz-enhanced photoacoustic SF6 sensor 

      Sampaolo, Angelo; Patimisco, Pietro; Giglio, Marilena; Chieco, Leonardo; Scamarcio, Gaetano; Tittel, Frank K.; Spagnolo, Vincenzo (2016)
      The implementation, performance validation, and testing of a gas-leak optical sensor based on mid-IR quartz-enhanced photoacoustic (QEPAS) spectroscopic technique is reported. A QEPAS sensor was integrated in a vacuum-sealed ...
    • Highly sensitive SO2 photoacoustic sensor for SF6decomposition detection using a compact mW-level diode-pumped solid-state laser emitting at 303 nm 

      Yin, Xukun; Dong, Lei; Wu, Hongpeng; Zheng, Huadan; Ma, Weiguang; Zhang, Lei; Yin, Wangbao; Xiao, Liantuan; Jia, Suotang; Tittel, Frank K. (2017)
      A compact ppb-level SO2 photoacoustic sensor was developed for the application of SF6decomposition detection in electric power systems. The selection of the SO2 target spectrum is discussed in detail in the infrared (IR) ...
    • Hippocampal awake replay in fear memory retrieval 

      Wu, Chun-Ting; Haggerty, Daniel; Kemere, Caleb; Ji, Daoyun (2017)
      Hippocampal place cells are key to episodic memories. How these cells participate in memory retrieval remains unclear. After rats acquired a fear memory by receiving mild footshocks in a shock zone on a track, we analyzed ...
    • Hollow core waveguide as mid-infrared laser modal beam filter 

      Patimisco, P.; Sampaolo, A.; Giglio, M.; Kriesel, J.M.; Tittel, F.K.; Spagnolo, V. (2015)
      A novel method for mid-IR laser beam mode cleaning employing hollow core waveguide as a modal filter element is reported. The influence of the input laser beam quality on fiber optical losses and output beam profile using ...
    • How Can Single Sensory Neurons Predict Behavior? 

      Pitkow, Xaq; Liu, Sheng; Angelaki, Dora E.; DeAngelis, Gregory C.; Pouget, Alex (2015)
      Singleᅠsensory neuronsᅠcan be surprisingly predictive of behavior in discrimination tasks. We propose this isᅠpossible because sensory information extracted from neural populations is severely restricted, either by ...
    • How Quickly Can We Approach Channel Capacity? 

      Baron, Dror; Khojastepour, Mohammad; Baraniuk, Richard G. (2004-11-01)
      Recent progress in code design has made it crucial to understand how quickly communication systems can approach their limits. To address this issue for the channel capacity C, we define the nonasymptotic capacity C/sub ...
    • Hybrid Linear / Bilinear Time-Scale Analysis 

      Pasquier, Martin; Goncalves, Paulo; Baraniuk, Richard G. (1999-01-01)
      We introduce a new method for the time-scale analysis of non-stationary signals. Our work leverages the success of the "time-frequency distribution series / cross-term deleted representations" into the time-scale domain ...
    • Hybrid Linear-Iterative Detection Algorithms for MIMO CDMA 

      Muharemovic, Tarik; Onggosanusi, Eko; Dabak, Anand; Aazhang, Behnaam (2002-05-20)
      We assume a CDMA downlink multiuser scenario, where the base station is equipped with multiple transmit antennas, and each user has multiple receive antennas. For this setup we propose a new, computationally effective MIMO ...