Search results for: F. Amir
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Functional Ecology > 32 > 6 > 1541 - 1553
Animal movement is multidimensional and complex, and to understand the motor system of wild animals in the context of their natural ecology, we must analyse how suites of performance traits both mutualistically and antagonistically affect function—a necessity highlighted by previous work on performance trade‐offs.
Evidence from some studies of human athletes using multidimensional analyses of...
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3D integration provides opportunities to design high-bandwidth and low-power CMOS image sensors (CIS) [1–4]. The 3D stacking of pixel tier, peripheral tier, memory tier(s), and compute tier(s) enables high degree of parallel processing. Also, each tier can be designed in different technology nodes (heterogeneous integration) to further improve power-efficiency. This paper presents a case study of...
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Leaf wetness duration (LWD) is an important variable in plant disease prediction, which can promote the germination of fungal pathogen spores on leaf surfaces. There are different types of leaf wetness sensors (LWS) to measure LWD with no broadly accepted measurement standard. This paper performs a comparative analysis of various LWS that are commonly used in commercial stations. The sensors used...
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Motivated by a purpose of closing the gap between theory and practice, this paper demonstrates how a well-known formal method is used to design a suitable control strategy for a large system. The formal method must deal with issues of complexity which usually prevent analysis of the large plant. The proposed strategies are based on modular principles and decomposition techniques and are proven to...
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In this paper a UWB pulse generator for wireless inter and intrachip communication is introduced. The transmitter produces BPSK-modulated ultra-short Gaussian monocycle pulses of average duration 74ps. The circuit was implemented and simulated in HSPICE using IBM 90nm CMOS technology with a supply voltage of 1.2V. The transmitter performs at an input bit-rate of 10Gbps. The circuit has a low average...
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An advanced step-graded Gunn diode (~ 100 GHz fundamental frequency) has been developed using a joint modelling-experimental approach to test GaAs based Gunn oscillators at sub-millimetre wavelengths. These devices are to be used as high power (multi-mW) Terahertz sources in conjunction with multipliers using Schottky diodes as the non-linear elements. The modelled-measured results of low series resistance...
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This paper describes the experimental procedure to evaluate the performance of short duration high speed flow shock tunnel located at the Universiti Tenaga Nasional ??UNITEN??. The experimental work includes measurements of pressure, peak pressure, shock strength and shock speed. Physical description of the facility along with the principle of operation is presented. The pressure history of flow process...
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State-of-the-art HBTs were designed, grown, fabricated and characterized in-house. The novelty of this process was the use of dimeric phosphorus generated from a Gallium Phosphide (GaP) decomposition source, which permitted growth at a fairly low temperature (420degC) while conserving extremely high quality materials. A self-aligned transistor with an emitter area of 5times5 mum2 demonstrated a low...
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This paper presents continuing work on the development of a novel physical model for an advanced GaAs Gunn diode with hot-electron injection. The device itself is commercially manufactured by e2v Technologies (UK) Ltd. for use in 77 GHz automotive Adaptive Cruise Control (ACC) systems. A 2D model has been developed using SILVA CO. Simulated IV characteristics are presented and shown to match well...
