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2013 International Conference on Microwave and Photonics (ICMAP)最新文献

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Study and characterization of lunar craters using Mini-SAR data of Chandrayaan-1 基于月船一号Mini-SAR数据的月球陨石坑研究与表征
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733449
P. Mishra, U. Rajashekhar, Dharmendra Singh
{"title":"Study and characterization of lunar craters using Mini-SAR data of Chandrayaan-1","authors":"P. Mishra, U. Rajashekhar, Dharmendra Singh","doi":"10.1109/ICMAP.2013.6733449","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733449","url":null,"abstract":"Analyzing lunar surface with various approaches is still a very challenging task. Therefore, in this paper, an attempt has been made to critically analyze the lunar surface by using various approaches so that the possibility of water ice can be predicted. The polarimetric approach helps in determining physical and electrical properties of target. The polarimetric approaches, `m-δ' decomposition and `m-χ' decomposition, have been used for obtaining the information of scattering mechanisms. In order to determine electrical properties of lunar surface, dielectric constant has been measured using Campbell's approach. Then, specular diffuse model has been applied for identifying various craters with reference to surface roughness and possibility of water-ice deposits.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"91 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116145358","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Optical MEMS pressure sensor based on double ring resonator 基于双环谐振腔的光学MEMS压力传感器
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733554
Hailu Dessalegn, T. Srinivas
{"title":"Optical MEMS pressure sensor based on double ring resonator","authors":"Hailu Dessalegn, T. Srinivas","doi":"10.1109/ICMAP.2013.6733554","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733554","url":null,"abstract":"This work has focused on the design, simulation and analysis of an optical MEMS pressure sensor based on serially coupled double ring resonator (DRR) in a microcantilever for pressure sensing application. The sensor is basically structured on a microcantilever beam and built-in optical integrated ring resonator which is placed in one end of the beam to gain maximum stress on the resonator. A serially coupled DRR with different radii is investigated that, effective free spectral range (FSR) of the ring is dramatically enhanced due to the vernier effect between the two rings, and the cantilever beam is optimally designed to maximize the stress and also to reduce the size and weight of the device. As a result, when pressure is applied in a system, the beam will bend, which involves mechanical deformation of the ring resonator that induces a stress, which brings the refractive index change in the waveguide lead to change in the output spectrum shift providing the measure of pressure. The sensitivity as high as 3.4149pm/kPa has been achieved and it is capable of measuring within range of (0-30.469) MPa.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124148801","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Novel design of directive ultra wide band right angle triangular sheet antenna 定向超宽带直角三角形片天线的新设计
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733479
A. Modi
{"title":"Novel design of directive ultra wide band right angle triangular sheet antenna","authors":"A. Modi","doi":"10.1109/ICMAP.2013.6733479","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733479","url":null,"abstract":"In the present paper, a simple and novel method to design an UWB antenna with two right angle triangular metal sheets is proposed. This antenna offers approximately 150% fractional bandwidth (from 3 to 21 GHz). Simulated radiation patterns were obtained at different frequencies and are presented in the paper.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126225215","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Dispersion characteristics of metamaterial loaded helical guide 超材料加载螺旋导轨的色散特性
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733484
D. K. Sharma, S. K. Pathak
{"title":"Dispersion characteristics of metamaterial loaded helical guide","authors":"D. K. Sharma, S. K. Pathak","doi":"10.1109/ICMAP.2013.6733484","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733484","url":null,"abstract":"The dispersion characteristics (ω - β diagram) of metamaterial loaded helical guide is analyzed and presented to understand the slow wave characteristics which finds potential applications in optical switches, memories and microwave photonics. A comparative study has been done against normal helical guide and it is found that unique characteristics of a helical guide to slow down the guided wave is highly boosted-up due to metamaterial insertion. Other modal properties such as presence of two fundamental modes - backward and forward wave and their lower cut-off frequency (LCF) as well as bandwidth spectrum are also revealed.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125980716","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A compact quad-band planar monopole antenna for Bluetooth/WiMAX/WLAN applications 一种紧凑的四波段平面单极天线，适用于蓝牙/WiMAX/WLAN应用
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733480
S. Choudhury, S. Koley
{"title":"A compact quad-band planar monopole antenna for Bluetooth/WiMAX/WLAN applications","authors":"S. Choudhury, S. Koley","doi":"10.1109/ICMAP.2013.6733480","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733480","url":null,"abstract":"A small size, low profile planar monopole antenna which operates in four frequency bands is proposed. The overall dimensions of the antenna are (W × L) 28 × 45 mm2. A rectangular `C' shaped slot is cut on the radiating element and rectangular open loop resonators are embedded in the ground section of the antenna structure. The antenna operates in 2.45 GHz (IEEE 802.15.1-Bluetooth), 3.5GHz (IEEE 802.16-WiMAX), 5.2GHz and 5.8GHz (IEEE 802.11a-WLAN) frequencies. Taconic TLY 5 (εr=2.2) has been used as substrate.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"143 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128403123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Three dimensional particle-in-cell simulation study of Relativistic Magnetron with Diffraction Output in CST CST中具有衍射输出的相对论磁控管的三维胞内粒子模拟研究
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733494
S. Choudhury, A. Saini, Sk Chhotray
{"title":"Three dimensional particle-in-cell simulation study of Relativistic Magnetron with Diffraction Output in CST","authors":"S. Choudhury, A. Saini, Sk Chhotray","doi":"10.1109/ICMAP.2013.6733494","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733494","url":null,"abstract":"The A6 Relativistic Magnetron with Diffraction Output (MDO) with two cathode geometries have been investigated. The cathode radius of the magnetron structure has been decreased to make it operate in π-mode. The radiation from the magnetron is extracted axially by tapering onto a conical antenna only those cavities of the anode that correspond to the symmetry of the radiated modes. CST Electromagnetic finite-difference-time domain Particle-In-Cell (PIC) code has been used to simulate the structure. With an input voltage of 240kV, the magnetic field has been varied to maximize the output RF voltage amplitude.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129347603","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Theoretical investigation of photoabsorption in Cyanogen cluster 氰簇光吸收的理论研究
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733526
S. Parida, S. Sahu, Sagar B. Sharma
{"title":"Theoretical investigation of photoabsorption in Cyanogen cluster","authors":"S. Parida, S. Sahu, Sagar B. Sharma","doi":"10.1109/ICMAP.2013.6733526","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733526","url":null,"abstract":"In this paper, photoabsorption spectrum of Cyanogen cluster has been investigated. The calculations of excitation energies, oscillator strengths and transition dipole moments are performed using the time-dependent density functional theory (TDDFT) approach. The first resonant peak for NCCN and NCNC isomer are found to occur at around 7.66, 6.94 eV, respectively. Furthermore, in case of NCCN, NCNC isomer the spectacular transitions of the spectra occurred in the far-UV (FUV) region of the electromagnetic spectrum. In addition, the absorption spectrum of NCNC isomer is red-shifted as compared to that of NCCN isomer. The natures of these excitations were investigated by analyzing the frontier molecular orbital's involved with these optical transitions. That means the LUMO of NCCN is combinations of s (85%) and p (15%) hybrid orbital's whereas in case of the NCNC, the LUMO corresponding to the first peak is contributed by both s (65%) and p (35%) orbits. However, the HOMO of both NCCN and CNCN are purely s-types.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115089308","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis of Elliptical Patch Micro-strip Antenna using artificial neural network 基于人工神经网络的椭圆贴片微带天线合成
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733478
A. Modi, J. Mehta, N. Pisharody
{"title":"Synthesis of Elliptical Patch Micro-strip Antenna using artificial neural network","authors":"A. Modi, J. Mehta, N. Pisharody","doi":"10.1109/ICMAP.2013.6733478","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733478","url":null,"abstract":"This paper presents a Neural Network model for the design of an Elliptical Patch Micro-strip Antenna (EPMSA) for a desired frequency in L Band. The artificial neural network (ANN) has been trained in such a way that for any desired gain at any desired frequency in L-band it can generate design parameters of EPMSA with great accuracy. In most of the existing ANNs for the synthesis of EPMSA do not include gain at resonant frequency as it is very difficult to achieve accurate result for it. The main benefit of the proposed method lies with the fact that the various parameters required for the design of an EPMSA at a particular frequency and gain of interest can be easily extracted without going into the rigorous time consuming, iterative design procedures using a costly software package.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124376636","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Realization of compact arrays with low side lobes using Biogeography Based Optimization 基于生物地理学优化的低侧瓣紧凑阵列的实现
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733457
B. Appasani, N. Gupta
{"title":"Realization of compact arrays with low side lobes using Biogeography Based Optimization","authors":"B. Appasani, N. Gupta","doi":"10.1109/ICMAP.2013.6733457","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733457","url":null,"abstract":"This paper presents a novel approach for synthesizing compact linear arrays with low side lobes for specified beam widths using Biogeography Based Optimization (BBO). BBO is applied to synthesize compact arrays with low side lobes for a given beam width and element spacing. The element spacing is based on minimal spacing criteria to avoid coupling between the elements. The simulation is performed for a 20 element array with different beam widths and spacing criteria. Results obtained are compared with other algorithms such as Modified Cuckoo Search (MCS) and Fire-fly algorithms (FA). especially in terms of size reduction and side lobe reduction.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"358 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120877520","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Solid core photonic crystal fiber for Supercontinuum generation 用于超连续统产生的固体芯光子晶体光纤
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733529
Sneha Sharma, J. Kumar
{"title":"Solid core photonic crystal fiber for Supercontinuum generation","authors":"Sneha Sharma, J. Kumar","doi":"10.1109/ICMAP.2013.6733529","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733529","url":null,"abstract":"A solid core photonic crystal fiber (PCF) is designed using COMSOL Multiphysics software based on finite element method. The cross section of the PCF is modeled with circular air holes of diameter 0.8 μm and pitch 1 μm. Results for the effective refractive index and dispersion properties of the PCF are presented. For Supercontinuum (SC) generation higher order dispersion terms and nonlinear coefficient of the PCF are calculated. Numerical simulation of SC generation for the proposed PCF is analysed using the generalized nonlinear Schrodinger equation and split step Fourier transform method. The SC generation is observed when the input pulse of femtosecond duration is pumped in the anomalous dispersion regime of the fiber.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"146 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116052315","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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