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mandeep singh jit singh,Kenji Tanaka,Mitsuyoshi 한국전자통신연구원 2007 ETRI Journal Vol.29 No.4
In this study, several methods to convert rain rate data for various time intervals to one-minute rates are compared. High-resolution tipping bucket precipitation records for seven locations in a tropical region are analyzed and compared using these conversion models. The Segal, Chebil, and Burgueno methods give the smallest average errors below 10% at different integration times.
Parametric study on flexible footing resting on partially saturated soil
Singh, Mandeep,Sawant, V.A. Techno-Press 2014 Coupled systems mechanics Vol.3 No.2
Coupled finite element analysis is carried out to study the effect of degree of saturation on the vertical displacements and pore water pressures simultaneously by developing a FORTRAN90 code. The finite element formulation adopted in the present study is based upon Biot's consolidation theory to include partially saturated soils. Numerical methods are applied to a two-dimensional plane strain strip footing (flexible) problem and the effect of variable degree of saturation on the response of excess pore water pressure dissipation and settlement of the footing is studied. The immediate settlement in the case of partly saturated soils is larger than that of a fully saturated soil, the reason being the presence of pore air in partially saturated soils. On the other hand, the excess pore water pressure for partially saturated soil are smaller than those for fully saturated soil.
Study of Junction Charge Transport Properties of Boron Subphthalocyanine Chloride Thin Film
Mandeep Singh,Aman Mahajan,Neeru Gupta,R. K. Bedi 대한금속·재료학회 2015 ELECTRONIC MATERIALS LETTERS Vol.11 No.1
The charge carrier transport properties and conduction mechanism ofboron subphthalocyanine chloride (Cl-BsubPc) thin film basedjunction was analyzed by using current-voltage (I-V) characteristicsand dielectric spectroscopy technique. I-V characteristic of ITO/Cl-BsubPc/Al junction confirmes the domination of space charge limitedconduction (SCLC) in the high voltage region (7 - 9 V). The ACconductivity study indicates the presence of frequency inducedhopping conduction mechanism in Cl-BsubPc thin film with hoppingrelaxation time of 16.6 - 4.1 ms. The temperature dependence of ACconductivity suggests that conduction in the films dominated byhopping of carriers between the localized states at low temperatureand movements of thermally excited carriers from energy levelswithin the band gap at higher temperature. The activation energy ofthe charge carriers responsible for conduction was found to liebetween 0.35 - 0.40 eV.
Mandeep Singh,S.K. Raghuwanshi 한국물리학회 2014 Current Applied Physics Vol.14 No.12
In this work, Author investigated the impact of higher order fiber dispersion terms upto third order (3OD) on optical mm-wave generated using two parallel Mach Zehnder Modulators (MZMs). Individual and combined effect of the second order- (2OD) and third order-(3OD) is studied theoretically and experimentally. Expression of fiber dispersion for proposed model is derived using the method of expansion of Bessel function & Taylor series theory. Effect of RF-driven voltage applied to MZM is discussed and analyzed for Optical Sideband Suppression Ratio (OSSR) and Radio Frequency Spurious Suppression Ratio (RFSSR). The Q-factor, Bit Error Rate (BER) and Eye pattern are investigated for ITU's G.655 fiber. Experimental and simulation analysis verified the theoretical analysis.
Genetic insights in pearl millet breeding in the genomic era: challenges and prospects
Singh Mandeep,Nara Usha 한국식물생명공학회 2023 Plant biotechnology reports Vol.17 No.1
Pearl millet, a vital staple food and an important cereal, is emerging as crop having various end-uses as feed, food as well as fodder. Advancement in high-throughput sequencing technology has boosted up pearl millet genomic research in past few years. The available draft genome of pearl millet providing an insight into the advancement of several breeding lines. Comparative and functional genomics have untangled several loci and genes regulating adaptive and agronomic traits in pearl millet. Additionally, the knowledge achieved has far away from being applicable in real breeding practices. We believe that the best path ahead is to adopt genome-based approaches for tailored designing of pearl millet as multi-functional crop with outstanding agronomic traits for various end uses. Presently review highlight several novel concepts and techniques in crop breeding, and summarize the recent advances in pearl millet genomic research, peculiarly genome-wide association dissections of several novel alleles and genes for agronomically important traits.
Dielectric Spectroscopic Studies of Boron Subphthalocyanine Chloride Thin Films
Mandeep Singh,Aman Mahajan,R. K. Bedi,D. K. Aswal 대한금속·재료학회 2013 ELECTRONIC MATERIALS LETTERS Vol.9 No.1
Boron subphthalocyanine chloride (Cl-BsubPc) thin film have been deposited by thermal evaporation technique and studied for structural and dielectric properties. AFM study indicates the formation of uniform and cracks free films. To study the dielectric properties as function of both frequency and voltage, Al/Cl-BsubPc/Al heterostructure has been fabricated. The impedance-frequency study indicates the formation of space charge region in lower frequency range. The conduction mechanism in Cl-BSubPc film, under applied ac field, found to be electronic hopping. The mobility and charge carrier concentration of Cl-BsubPc films have also been measured using capacitance techniques.
DTMF Based Irrigation Water Pump Control System
Mandeep Guleria,Akanksha Rathi,Deepraj Singh Sajwan,Jasbir Singh Negi,Nidhi Chauhan 사단법인 미래융합기술연구학회 2017 아시아태평양융합연구교류논문지 Vol.3 No.3
As a result of advancement in technology it became easy for human beings to ease their work and at the same time complete the workwith less human force, less time and with better results. In this project we look forward to telephonic signaling approach using Dual tone multi-frequency technique in controlling the various electrical loads such as irrigation water pumps situated in inaccessible areas. The present work is based on the principle of Dual tone multi-frequency (DTMF) signal received from any mobile phone to switch on-off the desired electrical loads such as in our farms, in factories, tube wells, irrigation water pumps etc. In our agricultural fields the tube wells are spread away from one another and thus operating them becomes very hectic as the person has to run from one place to another to operate the loads. Similar thing happens in our households also. Keeping this thing in mind a system has been designed so that it can ease the farmer as well as save time using the DTMF technology to control the loads remotely.
Classification of Mammogramsusing Support Vector Machine
Dharmesh Singh,Mandeep Singh 보안공학연구지원센터 2016 International Journal of Signal Processing, Image Vol.9 No.5
In the present work, a computer aided classification system has been proposed for classification of mammogram images into normal, benign and cancer classes. The work has been carried out on thirty Digital Database for Screeningmammography(DDSM) cases consisting of 10 normal, 10 benign and 10 cancer images. The regions of interest (ROI) have been extracted from the right Medio Lateral Oblique (RMLO) part of the mammogram. We extracted 256×256 pixel size ROI from each case. Texture descriptors based on gray level co-occurrence method by varying the value of inter pixel distance ‘d’ from 1 to 8 have been used. The SVM classifier has been used for the classification task. The result of the study indicates that GLCM mean and range features computed at d=1 yield the maximum overall classification accuracy of 75% and 65 % respectively.
High Capacity, Reversible Data Hiding Using CDCS Along with Medical Image Authentication
Amrinder Singh Brar,Mandeep Kaur 보안공학연구지원센터(IJSIP) 2015 International Journal of Signal Processing, Image Vol.8 No.1
Healthcare institution that handles a number of patients, opinions is often sought from different experts. It demands the exchange of the medical history of the patient among the experts which includes the medical images, prescriptions and electronic patient records (EPR) etc. In order to reduce storage and transmission cost, data hiding techniques are used to embed patient information with medical images. In medical imaging applications, there are stringent constraints on image fidelity that strictly prohibit any permanent image distortion by the watermarking or data hiding. Authenticity is another important aspect in medical image watermarking. This paper proposed modified difference expansion watermarking using LSB replacement in the difference of virtual border for data hiding in medical images. The Class Dependent Coding Scheme (CDCS) is used to encode the EPR data so that embedding capacity can be increased. The image hash is calculated using MD5 to provide authentication. Experimental results show that proposed scheme provide us large data hiding capacities along with very high PSNR values as compared to earlier EPR data hiding techniques.