Now showing items 1030-1049 of 2244

    • Joint Distributions for Arbitrary Variables 

      Cohen, Leon; Baraniuk, Richard G. (1994-10-01)
      We compare the methods of Cohen (1971) and of Baraniuk and Jones (see Proc. IEEE ICASSP-93, p.320-323, 1993) for obtaining joint distributions for arbitrary variables. We show that the two methods produce identical results ...
    • Joint Distributions of Arbitrary Variables Made Easy 

      Baraniuk, Richard G. (1998-09-01)
      The successful application of joint time-frequency distributions to problems in time-varying spectral analysis has stimulated considerable interest in distributions of other variables for use when a strict time-frequency ...
    • Joint Distributions of Arbitrary Variables Made Easy 

      Baraniuk, Richard G. (1998-10-01)
      In this paper, we propose a simple framework for studying certain distributions of variables beyond time-frequency and time-scale. When applicable, our results turn the theory of joint distributions of arbitrary variables ...
    • Joint Distributions of Arbitrary Variables Made Easy 

      Baraniuk, Richard G. (1996-09-01)
      The successful application of joint time-frequency distributions to problems in time-varying spectral analysis has stimulated considerable interest in distributions of other variables for use when a strict time-frequency ...
    • Joint multipath-Doppler diversity in fast fading channels 

      Sayeed, Akbar M.; Aazhang, Behnaam (1998-11-20)
      We present a new framework for code-division multiple access (CDMA) communication over fast fading mobile wireless channels. The performance of the RAKE receiver, which is at the heart of existing CDMA systems, degrades ...
    • Joint Multiuser Channel Estimation and Detection for CDMA Systems 

      Sengupta, Chaitali; Das, Suman; Cavallaro, Joseph R.; Aazhang, Behnaam (1999-02-20)
      We focus on the design of multiuser receiver structures for Code Division Multiple Access (CDMA) communication systems, in the presence of multipath effects and multiple sensors at the base station receiver. The joint ...
    • Joint signaling strategies for approaching the capacity of twisted-pair channels 

      Sendonaris, Andrew; Veeravalli, Venugopal V.; Aazhang, Behnaam (1998-10-20)
      A technique is presented for jointly optimizing the signaling in the two directions of transmission on a twisted-pair communications channel. It is then applied to twisted-pair channel models with monotonic channel response ...
    • Joint signaling techniques and spectral optimization for symmetric bit-rate communication over self-NEXT-dominated channels 

      Gaikwad, Rohit; Baraniuk, Richard G. (2004-07-01)
      We present a framework for maximizing the capacity of symmetric bit-rate communication services dominated by Gaussian crosstalk, in particular, digital subscriber line (DSL) services. We solve for optimal transmit power ...
    • Joint Signaling Techniques for Crosstalk-Dominated Communication Channels 

      Gaikwad, Rohit; Baraniuk, Richard G. (1999-12-01)
      We present a framework for maximizing the capacity (or bit rate) of symmetric bit rate communication services dominated by crosstalk, in particular digital subscriber line (DSL) services. We assume the DSL channel is a ...
    • Joint Source Channel Coding for Discrete Memoryless Channels 

      Bharadwaj, Vinay (2000-05-20)
      The design of optimal joint source/channel coding and decoding is examined for dis­ crete memoryless channels with end­to­end distortion as the criterion for reliable com­ munication. Joint source/channel encoders ...
    • Joint source/channel coding for discrete memoryless channels: Lessons to learn 

      Bharadwaj, Vinay K. (2000)
      The design of optimal joint source/channel coding and decoding is examined for discrete memoryless channels with end-to-end distortion as the criterion for reliable communication. Joint source/channel encoders which map ...
    • JPEG Compression History Estimation for Color Images 

      Neelamani, Ramesh; de Queiroz, Ricardo; Fan, Zhigang; Baraniuk, Richard G. (2003-09-01)
      We routinely encounter digital color images that were previously JPEG-compressed. We aim to retrieve the various settings - termed JPEG compression history (CH) - employed during previous JPEG operations. This information ...
    • JPEG Compression History Estimation for Color Images 

      Neelamani, Ramesh; de Queiroz, Ricardo; Fan, Zhigang; Dash, Sanjeeb; Baraniuk, Richard G. (2006)
      We routinely encounter digital color images that were previously JPEG-compressed. En route to the image's current representation, the previous JPEG compression's various settings—termed its JPEG compression history ...
    • JPEG Compression History Estimation for Color Images 

      Neelamani, Ramesh; de Queiroz, Ricardo; Fan, Zhigang; Baraniuk, Richard G. (2006-06-01)
      We routinely encounter digital color images that were previously compressed using the Joint Photographic Experts Group (JPEG) standard. En route to the image's current representation, the previous JPEG compression's various ...
    • Keeping the Analog Genie in the Bottle: A Case for Digital Robots 

      Walker, Ian D.; Cavallaro, Joseph R.; Leuschen, Martin L. (1999-05-01)
      In this paper, we consider the case for adopting a truly 'digital' type of robot, which would evolve between a discrete and finite set of states. We adopt the point of view that the advantages of traditional robotic evolution ...
    • L(P) DECONVOLUTION IN NON-GAUSSIAN NOISE 

      Pham, Trung Tat (1986)
    • L(p)-approximation by the iteratively reweighted least squares method and the design of digital FIR filters in one dimension 

      Barreto, Jose Antonio (1993)
      In this thesis a new and simple to program approach is proposed in order to obtain an $L\sb{p}$ approximation, 2 $<$ p $<$ $\infty$, based on the Iteratively Reweighted Least Squares (IRLS) method, for designing a linear ...
    • Label-free as-grown double wall carbon nanotubes bundles for Salmonella typhimurium immunoassay 

      Punbusayakul, Niramol; Talapatra, Saikat; Ajayan, Pulickel M; Surareungchai, Werasak (2013)
      Background: A label-free immunosensor from as-grown double wall carbon nanotubes (DW) bundles was developed for detecting Salmonella typhimurium. The immunosensor was fabricated by using the as-grown DW bundles as an ...
    • Laboratory Workstations in Electrical Engineering 

      Aneshansley, Daniel J.; Pottle, Christopher; Cavallaro, Joseph R. (1985-06-01)
      Computers, configured for data acquisition and control, have been used in undergraduate laboratories at Cornell University's School of Electrical Engineering since the early 1970s. The introduction of personal computers ...
    • Lagrange rational interpolation and its applications to approximation of large-scale dynamical systems 

      Ionita, Antonio (2013-11-06)
      We present several new, efficient algorithms that extract low complexity models from frequency response measurements of large-scale dynamical systems. Our work is motivated by the fact that, in many applications, analytical ...