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  • Radar cross section modelling using genetic algorithms 
    Hughes, Evan J. (Department of Aerospace and Sensors, 2009-03-12)
    In the design of new, more sophisticated missile systems, simulations need to be realistic and fast. Realistic target models are just as important as realistic models of the missile, but have often been overlooked in the ...
  • Radar detection performance prediction using measured UAVs RCS data 
    Rosamilia, Massimo; Balleri, Alessio; De Maio, Antonio; Aubry, Augusto; Carotenuto, Vincenzo (IEEE, 2022-12-12)
    This paper presents measurements of Radar Cross Section (RCS) of five Unmanned Aerial Vehicles (UAVs), comprising both consumer grade and professional small drones, collected in a semi-controlled environment as a function ...
  • Radar detection performance via frequency agility using measured UAVs RCS data 
    Rosamilia, Massimo; Aubry, Augusto; Balleri, Alessio; Carotenuto, Vincenzo; De Maio, Antonio (IEEE, 2023-08-22)
    This paper addresses radar detection performance prediction (via measured data) for drone targets using a frequency agility-based incoherent (square-law) detector. To this end, a preliminary statistical analysis of the ...
  • Radar discrimination of small airborne targets through kinematic features and machine learning 
    Doumard, Timothée; Gañán Riesco, Fabio; Petrunin, Ivan; Panagiotakopoulos, Dimitrios; Bennett, Cameron; Harman, Stephen (IEEE, 2022-10-31)
    This work studies binary classification problem for small airborne targets (drones vs other) by means of their trajectory analysis. For this purpose a set of the kinematic features extracted from drone trajectories using ...
  • The radar signature of the Wind Lens: a less disruptive wind turbine? 
    Balleri, Alessio; Al-Armaghany, A.; Griffiths, H.; Tong, K.; Matsuura, T. (2013-08-25)
    We study the radar signature of a new type of wind turbine, named the Wind Lens. This design includes a flanged shroud around the turbine which concentrates the wind flow past the turbine blades and hence improves the ...
  • Radar-camera fusion for ground-based perception of small UAV in urban air mobility 
    Huang, Cheng; Petrunin, Ivan; Tsourdos, Antonios (IEEE, 2023-07-27)
    The resilient surveillance of cooperative and non-cooperative aerial targets is critical for the safety and security of urban air mobility operations. Accurate detection, tracking, and trajectory prediction are essential ...
  • Radial blast prediction for high explosive cylinders initiated at both ends 
    Anastacio, A.; Knock, Clare (2016-07-11)
    This paper presents experimental results for the double ended initiation of cylindrical, explosive charges. Bare cylindrical charges of PE4 (RDX/binder 88/12 %) were used with length to diameter ratios of 1/3.7 to 5.75/1 ...
  • Radiation absorption noise for molecular information transfer 
    Singh, S. Pratap; Singh, Shekhar; Guo, Weisi; Mishra, Saket; Kumar, Sanjay (IEEE, 2020-01-01)
    Molecular signaling is ubiquitous across scales in nature and finds useful applications in precision medicine and heavy industry. Characterizing noise in communication systems is essential to understanding its information ...
  • Radiation pattern performance of unequally linear arrays with parasitic element 
    Zaina, Noor Ainniesafina; Kamarudin, Muhammad Ramlee; Yamada,Yoshihide; Seman, Norhudah (Institute of Advanced Engineering and Science, 2017-04-01)
    For next generation of 5G mobile base station antennas, multibeam, multifrequency and low sidelobe characteristics requested. Simplify the feeding network will contribute a low feeder loss and frequency dependent. From the ...
  • A radiative transfer model-based multi-layered regression learning to estimate shadow map in hyperspectral images 
    Zahidi, Usman A.; Chatterjee, Ayan; Yuen, Peter W. T. (MDPI, 2019-08-06)
    The application of Empirical Line Method (ELM) for hyperspectral Atmospheric Compensation (AC) premises the underlying linear relationship between a material’s reflectance and appearance. ELM solves the Radiative Transfer ...
  • Radiocarbon dating historical mortars: lime lumps and/or binder carbonate? 
    Lindroos, Alf; Ringbom, Åsa; Heinemeier, Jan; Hodgins, Greg (Cambridge University Press, 2018-04-06)
    Lime lumps and bulk mortars show different 14C contamination when analyzed in several CO2 fractions isolated from the effervescence of an ongoing hydrolysis reaction. Age profiles of both materials are therefore highly ...
  • Radiocarbon dating of Early Egyptian pot residues 
    Dee, M. W.; Wengrow, D.; Shortland, Andrew J.; Stevenson, A.; Brock, Fiona; Bronk Ramsay, Christopher (Peeters Publishers., 2016-06-24)
    A number of absolute dating techniques are now used in archaeology, from dendrochronology to a variety of luminescence and radiometric methods.1 However, radiocarbon dating remains the most effective approach for the ...
  • Radiocarbon dating wooden carvings and skeletal remains from Pitch Lake, Trinidad 
    Brock, Fiona; Ostapkowicz, J.; Wiedenhoeft, A. C.; Bull, I. D. (University of Arizona - Cambridge University Press, 2017-10-30)
    Since the mid 19th century, rare prehistoric wooden carvings and human skeletal remains have been dredged from Pitch Lake, Trinidad, during commercial asphalt mining. Establishing a chronology for these objects is challenging, ...
  • Radiological risk assessment by convergence methodology model in RDD scenarios 
    Rother, Fagner C.; Rebello, Wilson F.; Healy, Matthew J. F.; Silva, Mauricio M.; Cabral, Paulo A. M.; Vital, Helio C.; Andrade, Edson R. (Wiley, 2016-02-19)
    A radiological dispersal device (RDD) is a simple weapon capable of causing human harm, environmental contamination, disruption, area denial, and economic cost. It can affect small, large, or long areas depending on ...
  • Radioluminescence properties of the CdSe/ZnS Quantum Dot nanocrystals with analysis of long-memory trends 
    Nikolopoulos, D.; Valais, I.; Michail, C.; Bakas, A.; Fountzoula, C.; Cantzos, D.; Bhattacharyya, Debabrata; Sianoudis, I.; Fountos, G.; Yannakopoulos, P.; Panayiotakis, G.; Kandarakis, I. (Elsevier, 2016-06-14)
    This paper reports radioluminescence properties of the CdSe/ZnS quantum dots. Three quantum dot samples were prepared with concentrations 14.2 × 10−5 mg/mL, 21.3 × 10−5 mg/mL and 28.5 × 10−5 mg/mL, respectively. The ...
  • Railway management : an evaluation of management cybernetics in a public enterprise 
    Paradissopoulos, Iordanis K. (Cranfield University, 1989-03)
    Two are the objectives of this thesis: To identify structural and cultural causes of ineffectiveness in a state-owned railway enterprise in the light of the management cybernetics area of knowledge. To assess the capacity ...
  • Railway Renewal and Maintenance Cost Estimating 
    Ling, Daniel (Cranfield University, 2005)
    The aim of this thesis is to present a structured methodology which estimates Railway Infrastructure renewal and maintenance costs when there is a lack of quantitative cost data at the early stages of the project life ...
  • Railway track component condition monitoring using optical fibre Bragg grating sensors 
    Buggy, Stephen J.; James, Stephen W.; Staines, Stephen; Carroll, R.; Kitson, P.; Farrington, D.; Drewett, L.; Jaiswal, J.; Tatam, Ralph P. (2016-03-22)
    The use of optical fibre Bragg grating (FBG) strain sensors to monitor the condition of safety critical rail components is investigated. Fishplates, switchblades and stretcher bars on the Stagecoach Supertram tramway in ...
  • A railway track reconstruction method using robotic vision on a mobile manipulator: a proposed strategy 
    Rahman, Miftahur; Liu, Haochen; Masri, Mohammed; Durazo-Cardenas, Isidro; Starr, Andrew (Elsevier, 2023-03-21)
    Autonomous robot integration in railways infrastructure maintenance accelerates the digitization and intelligence of infrastructure survey & maintenance, providing high-efficiency and low-cost execution. This paper proposes ...
  • Ram-jet combustion based on shock/flame interaction 
    Edwards, J. A. (Cranfield University, 1983-12)
    An experimental investigation into the effects of shock/wake and shock/flame interaction on the base pressure of axisymmetric bodies at Mach 2 has been carried out. This investigation has determined the effects of various ...