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Showing 1 to 20 of 50 for “"Millimetre wave"”.

  1. Feature extraction from millimetre wave radar images

    Jolly, Alistair DuncanUniversity of Central Lancashire1992

    … of wound terrain generated from an airborne millimetre wave radar. The principles of operation of the radar are established and it is shown how an image is produced from this particular radar. The parameters such as wavelength, antenna size and pulse length are related to the images and a …

    cent-lancashire Repository record

  2. A Real-Time 5G Testbed at Millimetre-Wave

    Gomes, Rodolfo2019

    … implementation of a real-time 5G testbed at mmWave. This work is part of a research program registered at the University of South Wales submitted in fulfilment of the requirements for the degree of Doctor of Philosophy, in collaboration with Instituto de Telecomunicações in Leiria, Portugal.

    southwales Repository record

  3. Modal Analysis of Millimetre-wave and Terahertz Imaging Systems

    Mahon, Ronan JohnNational University of Ireland Maynooth2011

    … frequently reported in the analysis of paraxial millimetre-wave propagation in astronomical optical systems. Here the method of Gaussian beam mode analysis (GBMA) is extended to fields of optical research that have until recently been associated with wavelengths in the visible band. Using …

    maynooth Repository record

  4. Two-dimensional periodic surface lattice high power millimetre wave experiment

    Phipps, A. R., (Alan Richard)University of Strathclyde2016

    Millimetre wave radiation generation from a free electron maser based on a two-dimensional (2D) periodic surface lattice has been demonstrated. Second harmonic Gyrotron Backward Wave Oscillator (BWO) interaction with a two dimensional periodic surface lattice (PSL) has been observed. The major …

    strathclyde Repository record

  5. Time series analysis of indoor millimetre wave distributed antenna systems

    Zhang, LeiQueen's University Belfast2021

    … resources and the high data rate demands, millimetre wave (mmWave) technologies have emerged as one of the strongest contenders for the delivery of future wireless applications. Nonetheless, due to their shorter wavelengths when compared to traditional microwave transmissions, the wireless …

    qu-belfast Repository record

  6. Path Following using Frequency Modulated Continuous Wave millimetre-wave Automotive Radar

    Greisman, Austin2021

    … to only use Frequency Modulated Continuous Wave (FMCW) radar. Radar has shown to be semi-invariant to inclement weather such as snow, fog, extremely lighting conditions, and heavy rain. Traditionally, autonomous vehicle (AV) path planning algorithms use multiple introceptive and …

    queens Repository record

  7. Radio Characterisation of Single Trees at Micro- and Millimetre Wave Frequencies

    Caldeirinha, Rafael F. S.2001

    … and implementation on the availability of radiowave propagation models. These models are required to describe and characterise with sufficient accuracy the interaction of radiowaves with the environment, especially the various obstacles in the radio path. Prediction tools are highly desirable to …

    southwales Repository record

  8. Improvement of 5G performance through network densification in millimetre wave band

    Al-Falahy, NFA2026

    … to the network paradigm such as harnessing the millimetre wave (mmWave) band in Ultra-Dense Network (UDN). This thesis presents many challenges, problems and questions that arise in research and design stage of 5G network. The main challenges of 5G in mmWave can be characterised with the …

    salford Repository record

  9. Improving Millimetre Wave Coverage in Indoor Environments using Convex Passive Reflectors

    Qualtrough Mittal, Priya AnjaliResearchSpace@Auckland2025

    … the exploration of higher frequency spectrum. Millimetre wave frequencies are being proposed as potential candidate bands due to the higher bandwidths and low latency this spectrum can offer. However, at these frequencies, transmissions are highly susceptible to shadowing, resulting in reliance …

    auckland-ms Repository record

  10. Developing a Millimetre Wave Software Defined Radio for Physical Layer Security Applications

    Premline Prince, Jebaline Silaus ChristopherajState University of New York at Buffalo2019

    M.S.

    buffalo Repository record

  11. Design of millimetre-wave input-reflectionless amplifiers in 45nm CMOS-SOI Technology

    Ang, Jim Darrell2025

    … design technique is proposed for millimeter-wave amplifiers. Using this technique for amplifier design allows it to attain an input-reflectionless behavior at not only the passband but also the stopband. For proof-of-concept, three input-reflectionless amplifiers are designed and implemented …

    uts Repository record

  12. A discrete RET Model for Micro- and Millimetre Wave Propagation through Vegetation

    Fernandes, Telmo2007

    … and implementation on the availability of radiowave propagation models. In the particular case of land mobile radio systems and wireless fixed access systems, obstacles in the form of vegetation volumes, e.g formations of trees, are likely to influence radio propagation, giving rise to …

    southwales Repository record

  13. Radio over fibre distribution systems for ultra-wide band and millimetre wave applications

    Shams Eldin, HaymenDublin City University2011

    … such as ultra-wideband (UWB) and 60 GHz millimetre wave (mm-wave) play a key role for wireless connectivity in indoor home, office environment or large enclosed public areas. UWB has been allocated at the frequency band 3.1-10.6 GHz with an emission power below -41.3 dBm. Mm-wave signals …

    dcu Repository record

  14. Structure and Optimisation of Liquid Crystal based Phase Shifter for Millimetre-wave Applications

    Li, JinfengUniversity of Cambridge2019

    The delivery of tunable millimetre-wave components at 60GHz is of research and development interests with the advent of 5G era. Among applications such as high-data-rate wireless communications, high-precision automotive radars and hand-gesture sensing, variable phase shifters are vital components …

    cambridge Repository record

  15. Coherence bandwidth characterisation for indoor mobile radio microcells at microwave and millimetre wave frequencies

    Kermoal , John Phillipe1998

    This thesis reports measured and predicted results of the coherence bandwidth of indoor mobile radio microcells at 11 GHz and 62.4 GHz. Furthermore, the influence of the antennas radiation patterns and the effect of furniture on the value of the coherence bandwidth has been investigated.<br/><br/>A …

    southwales Repository record

  16. Design, fabrication and testing of a novel W-band monolithic millimetre-wave integrated circuit mixer

    Broadfoot, StephenUniversity of Glasgow1999

    Abstract available: p. [1]

    glasgow Repository record

  17. The design of power combined oscillators suitable for millimetre-wave development / by Ali Afkari Sayyah.

    Sayyah, Ali Afkari1997

    Includes bibliographical references (leaves 272-279.)

    adelaide Repository record

  18. Design and Analysis of the Onsala 4mm Receiver and other Antenna Configurations for Millimetre Wave Astronomy

    Walker, George WilliamNational University of Ireland Maynooth2016

    … associated with the design and analysis of millimetre and submillimetre systems. A major topic is the design, analysis and verification of a 4 mm receiver for the 20 m telescope at Onsala Space Observatory, Onsala, Sweden. The 4mmreceiverwas designed to be installed parallel to the existing …

    maynooth Repository record

  19. Design and verification of SC-FDE/OFDM communication schemes for millimetre-wave wireless system using FPGA technologies

    Sobaihi, Hhaled2012

    … to the development and characterization of millimetre-wave personal area networks (WPANs) in the 60 GHz frequency band. Single-carrier and multicarrier transmission techniques are considered in the implementation of a 64.8 GHz WPAN capable of achieving a reliable indoor link. Thus, …

    southwales Repository record

  20. Determination of the suitability of MT Gamsberg in Namibia for millimetre wave stronomy by measurements of the precipitable water vapour

    Frans, Lott NdeyanaleUniversity of Namibia2020

    … in the Earth’s atmosphere at infrared and millimetre to sub-millimetre wavelengths. The Event Horizon Telescope (EHT) is a large network of millimetre to sub-millimetre telescopes across the globe that is used to image supermassive black holes. The Africa Millimetre Telescope (AMT) is …

    namibia Repository record

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