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In this paper, the Chebyshev transfer functions is proposed to synthesis and design a UWB filter using short-circuited stub resonator. A half wavelength transmission line with an embedded quarter wavelength short-circuited stub can be seen as a multi-modes resonator (MMR) to achieve a wide bandwidth, moreover, the embedded short-circuited stub can produce a pair of transmission zero to achieve a sharper...
The penetration level of a PV system is often limited due to the violation of voltage variation introduced by the large intermittent power generation. This paper discusses the use of distribution static compensator (DSTATCOM) to compensate reactive power during peak solar irradiation to prevent voltage violation so that the PV penetration level of a distribution feeder can be increased to fully utilize...
This paper reports on the progress of work underway at the Centre for Educational Innovation and Technology at the University of Queensland to construct a new remote laboratories architecture based on contemporary and emerging web standards. The RESTlabs architecture uses the concept of self-describing APIs to provide discoverability of capabilities and the replacement of bespoke code with code generated...
Generation of intense isolated attosecond pulses is of significant importance to explore new domains in attosecond science. Recently, we have demonstrated high-order harmonic generation (HHG) with high conversion efficiency using low-density plasma as the nonlinear medium [1,2], instead of gas. However, isolated attosecond pulses have yet to be demonstrated from plasma. In this work, we apply the...
This paper documents on the programming and software design underpinning the Virtual Laboratory Practical Class (VLPC) program. This is an experiment simulation HTML5 web, which was designed to provide students with a virtual “pre-lab” experience where they can conduct an experiment and use equipment and techniques that they will encounter in a “live” pharmacology practical laboratory class.
For the application of field emission (FE), W18O49 nanostructures have exhibited excellent FE behaviors among tungsten oxides, which promise a much better future. However, many difficulties remain to be overcome in their application in devices. One of them is that synthesis of nanostructures in uniform W18O49 phase is difficult; tungsten oxides have tens of different phases, which can results in their...
In this work, bamboo-shaped CNTs were successfully fabricated by PECVD using ZnO:Co thin film as catalyst. ZnO:Co nanoclusters were produced by a nanocluster-beam deposition system. Briefly, a metal target consisting of 98% Zn and 2% Co was used with a sputtering power of 130 W. Ar, He and Oxygen gases were injected into the system with the corresponding total pressure of 0.75 Torr. A plasma enhanced...
The authors have developed a new method to fabricate patterned W18O49 nanowire arrays by combination of thermal evaporation and lift-off technology. It is found that the phosphoric acid processing of the lift-off technology has strong effect on the field emission property of W18O49 nanowires.
Here we have successfully synthesized patterned W18O49 nanowire arrays in large scale by lift-off way, which has described in our report also to this conference. In order to remove the aluminum oxide layer, the sample was put into the phosphoric acid with a concentration of 60 % (volume ratio). The treatment time in 90°C water bath was usually about 4 hours. The treated and untreated tungsten oxide...
This paper proposes a design of IT memory cells that utilizes the modulation of drain current by channel traps and offers these advantages: 1. capacitorless structure, 2. long data retention time, 3. excellent endurance characteristics, 4. low power consumption, 5. 3D integration compatibility.
CABAC is the entropy coding method adopted in H.264/AVC main profile. RDO is the mode decision method commended by JVT, which can improve the performance of encoder markedly. However, the computation complexity of video encoding increases drastically. In this paper, we propose a novel fast intra-mode decision algorithm for H.264, based on transform-domain bit-rate estimation technique, using the estimated...
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