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Finite Element Modeling and Design of Rectangular Patch Antenna with Different Feeding Techniques

Open Journal of Antennas and Propagation 2013年第2期1卷 11-17页

作者： rajat arora Ajay Kumar Saleem Khan Sandeep Arya Department of Electronics & Communication BCET Pathankot India Department of Electronics & Communication SSCET Pathankot India Department of Physics and Electronics University of Jammu Jammu India.

The finite element modeling of three dimensional structures is important for researchers especially in the field of antennas and other domains of electromagnetic waves. This paper presents a finite element calculations and numerical analysis for the microstrip patch antennas. In this paper, two different designs have been modelled and analyzed and both designs are based on the rectangular patches. The feeding point of one design is inside the patch while the other design contains feeding point outside the patch is T shaped. The computational analysis showed some interesting results for radiation pattern and far field domain. For these designs, the characteristic impedance taken is 50 Ω and the operating frequency domain is 1.4 to 1.7 GHz. The microstrip patch antennas are encapsulated in the inert spherical atmosphere of 20 mm thickness containing air inside it.

关键词： Microstrip Patch Antenna Finite Element Method T Shaped Feeding Point Far Field Domain

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The Effect of a Single Passive Intervention to Improve Patient Satisfaction in an Orthopaedic Service

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Open Journal of Orthopedics 2012年第2期2卷 30-33页

作者： Manit arora Ian A. Harris Lynette McEvoy rajat Mittal Justine M. Naylor South Western Sydney Clinical School University of New South Wales Sydney Australia Whitlam Orthopaedic Research Centre Liverpool Hospital Sydney Australia.

Patient satisfaction is a goal of effective health care delivery and its assessment is important to the improvement of health care, especially in the context of a more consumerist culture. Patient education and information has been shown to improve patient satisfaction with care. Lack of sufficient patient information (specifically related to post-discharge care) was identified in our patient population by means of a broad ranging post-discharge satisfaction survey. Targeted intervention, in the form of a discharge information sheet for patients, was trialled with the aim of improving specific satisfaction parameters related to post-discharge care, and overall patient satisfaction. Patient satisfaction was measured for six months before and after the intervention, and data from both groups compared. There was no statistically significant difference in patient satisfaction directly related to the provision of the additional discharge information or overall patient satisfaction between the two groups. Providing patients with specific information alone at discharge is not sufficient to improve overall or discharge-specific patient satisfaction. More active interventions may be required.

关键词： Orthopaedics Patient Satisfaction Intervention

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