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I-Tai Lu

Full Professor Electrical Engineering

    1977 …2019
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    Research Output 1977 2019

    1995
    Microstrip lines
    variational principles
    Resonators
    resonators
    Boundary conditions
    Cellular radio systems
    Multipath propagation
    Singular value decomposition
    Code division multiple access
    communication

    A novel high-reslolution algorithm for ray path resolving and wireless channel modelling

    Qiu, R. C. & Lu, I-T., Jan 1 1995.

    Research output: Contribution to conferencePaper

    Cramer-Rao bounds
    Digital signal processing
    rays
    signal processing
    propagation

    A novel high-resolution algorithm for multipath channel modeling and its applications in the CDMA cellular system

    Qiu, CM. & Lu, I-T., 1995, Wireless Communication Systems Symposium (Wireless Trends in the 21st Century) IEEE Long Island Section. November 1995.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    A novel high resolution algorithms for ray path resolving and wireless channel modeling

    Qiu, CM. & Lu, I-T., 1995, IEEE LEOS Princeton Section Sarnoff Symposium. Princeton, NJ. April 1995.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Diffracted effects due to guided modes on finite (truncated) structure elements

    Lu, I-T., Bertoni, H. & Yao, Y. Q., 1995, In : Journal of the Acoustical Society of America. 98, 5 I, p. 2841-2844 4 p.

    Research output: Contribution to journalArticle

    radiation
    asymptotic methods
    diffraction
    water
    Radiation

    Dispersion properties of chiral optical fibers

    Qiu, R. C. & Lu, I-T., Jan 1 1995.

    Research output: Contribution to conferencePaper

    Optical fibers
    optical fibers
    Chirality
    Equalizers
    electrical impedance

    Final report to Office of Naval Research: Adaptive characterization of target and environment

    Lu, I-T., 1995, ONR. (Grant number N00014-91-J-1492)

    Research output: Book/ReportOther report

    Final report to ONR: Acoustic scattering by submerged vessels with internal structures

    Lu, I-T., 1995, ONR. (Grant number N0001491J1331)

    Research output: Book/ReportOther report

    High-resolution algorithms for multipath resolving and indoor channel modelling

    Qiu, R. C. & Lu, I-T., 1995, IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC. Anon (ed.). IEEE, Vol. 1. p. 148-152 5 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Digital signal processing
    Code division multiple access
    1994

    A time-domain backpropagating ray technique for source localization

    Voltz, P. & Lu, I-T., 1994, In : Journal of the Acoustical Society of America. 95, 2, p. 805-812 8 p.

    Research output: Contribution to journalArticle

    rays
    sensor
    ray tracing
    chaotic dynamics
    stochasticity

    Guided waves in chiral optical fibers

    Qiu, R. C. & Lu, I-T., Dec 1994, In : Journal of the Optical Society of America A: Optics and Image Science, and Vision. 11, 12, p. 3212-3219 8 p.

    Research output: Contribution to journalArticle

    Optical Fibers
    Guided electromagnetic wave propagation
    Chirality
    Optical fibers
    Group delay

    Localization of a broadband source using a matched-mode procedure in the time-frequency domain

    Chen, H. Y. & Lu, I-T., Apr 1994, In : IEEE Journal of Oceanic Engineering. 19, 2, p. 166-174 9 p.

    Research output: Contribution to journalArticle

    Sensor arrays
    sensor
    Travel time
    arrival time
    travel time
    1993

    A matched-mode processing technique for localizing a transient source in the time domain

    Lu, I-T., Chen, H. Y. & Voltz, P., 1993, In : Journal of the Acoustical Society of America. 93, 3, p. 1365-1373 9 p.

    Research output: Contribution to journalArticle

    arrivals
    field method
    arrival time
    waveforms
    Mediterranean Sea
    1992

    Acoustic radiation and scattering by submerged vessels with internal structures

    Lu, I-T., 1992, The annual review of the Structural Acoustics Programs directed by ONR. Alexandria, VA. January 1992.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Coupling of plate waves at joints

    Lu, I-T., Bertoni, H. L. & Chen, H. Y., 1992, In : Journal of the Acoustical Society of America. 92, 1, p. 510-526 17 p.

    Research output: Contribution to journalArticle

    boundary conditions
    continuity
    conservation
    incidence
    Waves
    inversions
    propagation
    rays
    formulations
    Modeling

    Forward modeling and data inversion for beam propagation in a stratified medium. II: Numerical results

    Lu, I-T. & Chen, H. Y., 1992, In : Journal of the Acoustical Society of America. 91, 3, p. 1239-1249 11 p.

    Research output: Contribution to journalArticle

    inversions
    propagation
    eigenvectors
    simulation
    Conventional

    Hybrid combinations of global and local operators for solving Helmholtz and Poisson equations

    Lu, I-T., Jung, H. K. & Tsai, C. M., 1992, In : Journal of Computational Physics. 103, 2, p. 390-401 12 p.

    Research output: Contribution to journalArticle

    Helmholtz equation
    Helmholtz equations
    Poisson equation
    Mathematical operators
    operators

    Matched-mode processing schemes of a moving point source

    Chen, H. Y. & Lu, I-T., 1992, In : Journal of the Acoustical Society of America. 92, 4 I, p. 2039-2050 12 p.

    Research output: Contribution to journalArticle

    point sources
    point source
    decomposition
    waveguides
    Doppler effect
    1991
    geometrical acoustics
    elastic shells
    cylindrical shells
    Green's functions
    fluids
    elastic shells
    cylindrical shells
    Green's functions
    formulations
    fluids

    Intrinsic modes in a wedge-shaped taper above an anisotropic substrate

    Lu, I-T., Nov 1991, In : IEEE Journal of Quantum Electronics. 27, 11, p. 2373-2377 5 p.

    Research output: Contribution to journalArticle

    tapering
    wedges
    Substrates
    cut-off
    Anisotropic media

    "Sound and structural vibration -- radiation, transmission, and response," by Frank Fahy

    Lu, I-T., Jan 1991, IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. Vol. 38. p. 86

    Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)

    Source field modeling by self-consistent Gaussian beam superposition (two-dimensional)

    Felsen, L. B., Klosner, J. M., Lu, I-T. & Grossfeld, Z., 1991, In : Journal of the Acoustical Society of America. 89, 1, p. 63-72 10 p.

    Research output: Contribution to journalArticle

    transducers
    apertures
    electromagnetic wave transmission
    acoustic propagation
    output

    Source localization based upon efficient extraction and interpretation of physical observables

    Lu, I-T. & Voltz, P., 1991, The annual review of the Ocean Acoustics Program, ONR. Arlington, VA. September 1991.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1990

    Acoustic source localization in a wedgeshaped shallow water waveguide

    Shang, EC., Wang, YY., Chen, H. Y. & Lu, I-T., 1990, Computational acoustics. Lee, D. & al (eds.). North-Holland, Vol. 3. p. 237-246

    Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)

    Acoustic wave scattering by multiple scatterers in a waveguide

    Lu, I-T. & Jung, H. K., 1990, Computational acoustics. Lee, D. & al (eds.). North-Holland, Vol. 2. p. 309-322

    Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)

    wave scattering
    rays
    waveguides
    scattering
    finite element method

    A hybrid ray-mode-(Boundary element) method

    Lu, I. T., 1990, In : Journal of Electromagnetic Waves and Applications. 4, 8, p. 789-803 15 p.

    Research output: Contribution to journalArticle

    boundary element method
    Boundary element method
    Green's function
    rays
    Green's functions

    Analysis of transmission line structures using a new image-mode Green's function

    Lu, I-T. & Olesen, R. L., Jun 1990, In : IEEE Transactions on Microwave Theory and Techniques. 38, 6, p. 782-785 4 p.

    Research output: Contribution to journalArticle

    Method of moments
    Green's function
    transmission lines
    Electric lines
    Green's functions

    Beams and modes for scattering from weak bonding flaws in a layered aluminum plate

    Lu, I-T., Felsen, L. B., Klosner, J. M. & Gabay, C., 1990, In : Journal of the Acoustical Society of America. 88, 1, p. 496-504 9 p.

    Research output: Contribution to journalArticle

    aluminum
    defects
    scattering
    format
    transducers

    Beam-to-mode conversion in an aluminum plate for ultrasonic NDE applications

    Lu, I-T., Felsen, L. B. & Klosner, J. M., Apr 1990, In : Journal of Engineering Materials and Technology, Transactions of the ASME. 112, 2, p. 236-240 5 p.

    Research output: Contribution to journalArticle

    Ultrasonic applications
    Aluminum
    ultrasonics
    aluminum
    Defects

    Combinations of local scattering operators and global propagators

    Lu, I-T. & Ma, B. L., 1990, Proceedings of International Conference on Directions in Electromagnetic Wave Modeling. New York. October 1990.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    plane waves
    apertures
    wire
    Wire
    electromagnetism
    Wave Scattering
    Method of moments
    Green's function
    Coupled System
    Half line

    Observables due to beam-to-mode conversion of a high-frequyency Guassian P-wave input in an aluminum plate in vacuum

    Lu, I-T., Felsen, L. B. & Klosner, J. M., 1990, In : Journal of the Acoustical Society of America. 87, 1, p. 42-53 12 p.

    Research output: Contribution to journalArticle

    P waves
    aluminum
    vacuum
    rays
    nondestructive tests

    Spectral options to improve the paraxial narrow Gaussian beam algorithm for critical reflection and head waves

    Gao, XJ., Lu, I-T. & Felsen, L. B., 1990, Computational acoustics. Lee, D. & al (eds.). North-Holland, Vol. 2. p. 149-166

    Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)

    Three-dimensional Green's function for fluid-loaded thin elastic cylindrical shell: Formulation and solution

    Felsen, L. B., Ho, J. M. & Lu, I-T., 1990, In : Journal of the Acoustical Society of America. 87, 2, p. 543-553 11 p.

    Research output: Contribution to journalArticle

    elastic shells
    cylindrical shells
    Green's functions
    formulations
    fluids
    geometrical acoustics
    elastic shells
    cylindrical shells
    Green's functions
    fluids
    1989

    Acoustic source localization in a wedgeshaped shallow water waveguide

    Shang, EC., Wang, YY., Chen, H. Y. & Lu, I-T., 1989, Proceedings of the IMACS Symposium, Princeton University. March 1989.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Acoustic wave scattering by multiple scatterers in a waveguide

    Lu, I-T. & Jung, H. K., 1989, Proceedings of the IMACS Symposium, Princeton University. March 1989.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    acoustic scattering
    wave scattering
    integral equations
    rays
    scattering

    Beam and Mode Analysis of Weak Bonding Flaws in a Layered Aluminum Plate

    Lu, I-T., Felsen, L. B., Klosner, J. M. & Gabay, C., Jan 1 1989, In : North-Holland Series in Applied Mathematics and Mechanics. 35, C, p. 195-203 9 p.

    Research output: Contribution to journalArticle

    Aluminum
    Defects
    Transducers
    Multilayers
    Born approximation

    Hybrid methods for wave propagation and scattering

    Lu, I-T., 1989, Report for the NSF Workshop on Future Direction in Electromagnetics Research. p. 45-48

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Ray formulation of waves guided by cylindrically stratified dielectrics

    Felsen, L. B., Lu, I-T. & Naishadham, K., 1989, Proceedings of the USRI EM Theory Symposium, CONGREX AB, Sweden.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Ray treatment of wave propagation on thinwalled curved elastic plates with truncations

    Felsen, L. B. & Lu, I-T., Jul 1989, In : Journal of the Acoustical Society of America. 86, 1, p. 360-374

    Research output: Contribution to journalArticle

    Ray treatment of wave propagation on thin-walled curved elastic plates with truncations

    Felsen, L. B. & Lu, I. T., 1989, In : Journal of the Acoustical Society of America. 86, 1, p. 360-374 15 p.

    Research output: Contribution to journalArticle

    elastic plates
    thin plates
    anisotropic media
    wave propagation
    rays