Macquarie University, Sydney Macquarie University ResearchOnline

Showing items 136 - 150 of 732.

Add to Quick Collection   All 732 Results

Sort:
 Add All Items to Quick Collection
Date: 2012
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/198510
Description: A miniaturized partially-folded planar inverted F-antenna (PF-PIFA) is proposed for a wireless physiological data acquisition system, being developed for small rodents including rats. The system opera ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/189692
Description: This paper presents a diode varactor and MOS varactor voltage control oscillators using 0.25μm CMOS technology, proposed for Ultra Wideband application. The VCOs are designed for 3-5GHz UWB Impulse Ra ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/184403
Description: Feature-based detection techniques have been advocated for robust spectrum sensing in cognitive radios. Cognitive radios must be able to train themselves to identify the features for a specific primar ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/202901
Description: This paper outlines the digital designs and their implementation on the Altium NanoBoard 3000 and the use of the VHDL language. An approach is proposed for the design and implementation of traffic lig ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/175301
Description: We report point-by-point laser direct writing of a 1520-nm fiber Bragg grating in a microstructured polymer optical fiber (mPOF). The mPOF is specially designed such that the microstructure does not o ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/178210
Description: Dispersion analysis of a unit cell in a one dimensional microstrip based periodic arrangement is studied. Topology of the unit cell allows it to reconfigure the internal design using active devices in ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/213670
Description: We study distributed optimal control in general single-hop wireless interference networks. We take into account the decoding errors due to channel outage by introducing "effective utility" associated ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/290111
Description: A diode-cladding-pumped dual wavelength Q-switched Ho³⁺-doped fluoride cascade fiber laser operating in the mid-infrared is demonstrated. Stable pulse trains from the ⁵I₆ → ⁵I₇ and ⁵I₇ → ⁵I₈ laser tra ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/217868
Description: The use of a reflective semiconductor optical amplifier (SOA) to realise a dual-wavelength laser is demonstrated. Mixing of the two lasing wavelengths revealed multimode operation, with the number of ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/203137
Description: In this paper we present a novel dynamic spectrum sensing and access model in cognitive radio networks. This model allows secondary users (SUs) to sequentially sense two channels in a single time slot ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/199060
Description: Morphological descriptors of aneurysms have been used to assess aneurysm rupture. This study investigated the relation between the morphological parameters and the flow related parameter of energy los ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/290093
Description: A passively switched Ho³⁺, Pr³⁺ codoped fluoride fiber laser using a semiconductor saturable absorber mirror (SESAM) is demonstrated. Q-switching and partial mode-locking were observed with the output ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/202896
Description: In cognitive radio networks (CRNs), there is no guarantee on the availability of spectrum for the opportunistic communications between cognitive radio (CR) users. Transmission design plays a key role ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/202905
Description: This paper considers the problem, in the context of cognitive radio systems, of identifying the spectral occupancy of a signal, where its bandwidth is only a subset of the total bandwidth of interest. ... More
Reviewed: Reviewed
Date: 2012
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/199061
Description: There is increasing interest in non-invasive estimation of central aortic waveform parameters in the clinical setting. However, controversy has arisen around radial tonometric based systems due to the ... More
Reviewed: Reviewed