نتایج جستجو برای: microwave technology

تعداد نتایج: 515497  

2011
Sha Zhu Ali Mohammad-Djafari Xiang Li Junjie Mao

Sha Zhu, Ali Mohammad-Djafari, Xiang Li and Junjie Mao Laboratoire des Signaux et Systèmes, UMR8506 CNRS-SUPELEC-Univ.Paris-Sud XI, Supélec, Plateau de Moulon, 3 rue Juliot-Curie, 91192 Gif-sur-Yvette, France; Research Institute of Space Information Technology, School of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, Hunan, P.R.China; Research Ce...

2011
B. Cabon

The multidisciplinary eld of Microwave-Photonics is at the convergence of photonic and microwave or even wireless technologies. In this context, the processing, conversion and transmission of microwaves, as well as high data rate digital and wireless signals, today use broadband optical techniques with many applications. However, the frequency band available is frequently changing with up-to-da...

1999
Greg Durgin Theodore S. Rappaport

This paper develops a novel relationship between azimuthal distribution of multipath power and narrowband small-scale fading characteristics. The fundamental relationship is useful for studying adaptive arrays, smart antennas, equalization, diversity, and any other wireless technology or concept that depends on the spatial characteristics of radio and microwave propagation.

2013
Hasliza A. Rahim Fareq Malek Ismahayati Adam Ahmad Sahadah Nur B. M. Hashim Nur A. M. Affendi Azuwa Ali Norshafinash Saudin Latifah Mohamed

This paper discusses the investigation of a wearable textile monopole antenna on specific absorption rate (SAR) for bodycentric wireless communication applications at 2.45 GHz. The antenna is characterized on a realistic 8 x 8 x 8 mm resolution truncated Hugo body model in CST Microwave Studio software. The result exhibited that the simulated SAR values were reduced significantly by 83.5% as th...

2014
Duo Li

Photonic microwave oscillator based on optical frequency comb and ultrastable optical reference cavity represents the state-of-the-art solution to generate X-band microwaves of ultralow phase noise. Such high-quality microwave source enables a range of applications in which frequency stability and timing accuracy are essential to performance. Wide use of this technology, however, requires compa...

2008
Hiie Hinrikus Maie Bachmann Jaanus Lass

This paper is a review of the studies performed on microwave effects on resting electroencephalography (EEG) and visual memory and information processing during the last ten years. Some earlier results, obtained at the Biomedical Engineering Centre of the Tallinn University of Technology are reevaluated and generalized. Microwave radiation of 450 MHz, modulated at 7, 14, 21, 40, 70, 217 and 100...

2015
Daming Fan Huijie Shen Luelue Huang Yishu Gao Huizhang Lian Jianxin Zhao Hao Zhang Wei Chen Katja Loos

In the food industry, research into the characteristics of microwave-heated materials has focused on dielectric properties. However, the lack of studies on microwave-absorbing properties has hindered the application of microwave technology. The aim of the present study was to investigate the microwave-absorbing properties of rice starch. It should be noted that this was the first time that the ...

2004
Kevin Hettenbach

Microwave drying technology has the potential for large production time and energy cost savings versus traditional vacuum drying methods for active pharmaceutical ingredient (API) applications. One of the most critical parameters in the drying process is the determination of the end point, usually at a specified moisture content. On-line mass spectrometry (MS) was used as a tool to monitor micr...

Journal: :International journal of food sciences and nutrition 2010
Francisco J García-zaragoza María E Sánchez-Pardo Alicia Ortiz-Moreno Luis A Bello-Pérez

Bread baking technology has an important effect on starch digestibility measured as its predicted glycemic index tested in vitro. The aim of this work was to evaluate the changes in predicted glycemic index of pound cake baked in a two-cycle microwave toaster and a conventional oven. The glycemic index was calculated from hydrolysis index values by the Granfeldt method. Non-significant differen...

Journal: :IEICE Transactions 2013
Tadashi Takano

Microwaves have typically been used for communications and radar, but nowadays are given much attention to energy transfer applications. This paper describes microwave power transfer from a satellite to Earth that is visualized as a solar power satellite system (SPSS). After the system configuration is explained, unique engineering features are presented. Then, some contributions made by Japane...

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