Search Results - "KUMAR, VAIBHAV"

Spatiotemporal sentiment variation analysis of geotagged COVID-19 tweets from India using a hybrid deep learning model by Kumar, Vaibhav

“…India is a hotspot of the COVID-19 crisis. During the first wave, several lockdowns (L) and gradual unlock (UL) phases were implemented by the government of…”
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Broadband Polarization-Insensitive Tunable Frequency Selective Surface for Wideband Shielding by Ghosh, Saptarshi, Srivastava, Kumar Vaibhav

“…In this paper, a low-profile broadband frequency selective surface (FSS) is presented for wideband shielding. The FSS consists of periodic patterns of circular…”
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Polarization-Insensitive Single- and Broadband Switchable Absorber/Reflector and Its Realization Using a Novel Biasing Technique by Ghosh, Saptarshi, Srivastava, Kumar Vaibhav

“…In this communication, a switchable absorber/reflector based on active frequency-selective surface (AFSS) has been presented for single- as well as broadband…”
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Vitamin D microencapsulation and fortification: Trends and technologies by Maurya, Vaibhav Kumar, Bashir, Khalid, Aggarwal, Manjeet

“…•Vitamin D synthesis and absorption is reviewed.•Effect of food processing on vitamin D is reviewed.•Principal encapsulation techniques adopted for vitamin D…”
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A Polarization-Insensitive Band-Notched Absorber for Radar Cross Section Reduction by Sharma, Aditi, Ghosh, Saptarshi, Srivastava, Kumar Vaibhav

“…A polarization-insensitive broadband absorber with a notch band characteristic has been presented for radar cross section (RCS) reduction applications. The…”
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A Compact Four-Element MIMO/Diversity Antenna With Enhanced Bandwidth by Sarkar, Debdeep, Srivastava, Kumar Vaibhav

“…In this letter, a four-element wideband multiple-input-multiple-output (MIMO) configuration consisting of inverted L-monopole antenna (ILA) elements is…”
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A Time Modulated Polarization Rotating Frequency Selective Surface by Saikia, Mondeep, Srivastava, Kumar Vaibhav

“…Modulation of Electromagnetic (EM) waves can be realized by modulating the transmission or reflection coefficient of a Frequency Selective Surface (FSS) with…”
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A Dual-Band Tunable Frequency Selective Surface With Independent Wideband Tuning by Ghosh, Saptarshi, Srivastava, Kumar Vaibhav

“…In this letter, a dual-band tunable bandstop frequency selective surface (FSS), which is capable of exhibiting independent tuning for the top and bottom…”
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Pancreatic head cancer with different patterns of lymph node metastasis by Varshney, Vaibhav Kumar

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A Polarization-Independent Broadband Multilayer Switchable Absorber Using Active Frequency Selective Surface by Ghosh, Saptarshi, Srivastava, Kumar Vaibhav

“…In this letter, a polarization-insensitive broadband switchable absorber has been presented, which exhibits wide absorption bandwidth switching between two…”
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Three-Element MIMO Antenna System With Pattern and Polarization Diversity for WLAN Applications by Sharma, Yashika, Sarkar, Debdeep, Saurav, Kushmanda, Srivastava, Kumar Vaibhav

“…In this paper, a three-element compact multiple-input-multiple-output (MIMO) antenna system having both pattern and polarization (linear/circular) diversity is…”
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Design and Analysis of Ultrathin Polarization Rotating Frequency Selective Surface Using V-Shaped Slots by Saikia, Mondeep, Ghosh, Saptarshi, Srivastava, Kumar Vaibhav

“…A novel polarization rotator design is demonstrated theoretically as well as experimentally based on frequency-selective surface (FSS). The polarization…”
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A Miniaturized Frequency Selective Rasorber With Independently Regulated Selective Dual-Transmission Response by Sharma, Aditi, Malik, Sudha, Ghosh, Saptarshi, Srivastava, Kumar Vaibhav

“…In this letter, a miniaturized-element dual-polarized frequency selective rasorber (FSR) with independently regulated dual-transmission response has been…”
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Polarization insensitive multilayered broadband absorber for L and S bands of the radar spectrum by Dhumal, Ayushi, Bhardwaj, Abhinav, Srivastava, Kumar Vaibhav

“…Designing a low frequency broadband absorber is a nontrivial task in terms of establishing a trade‐off between overall absorber thickness, wide absorption…”
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Polarization-Insensitive Broadband Multilayered Absorber Using Screen Printed Patterns of Resistive Ink by Tayde, Yakeen, Saikia, Mondeep, Srivastava, Kumar Vaibhav, Ramakrishna, Subramanian Anantha

“…Design and implementation of a broadband polarization-insensitive multilayered microwave absorber using resistive ink has been presented here. The proposed…”
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Neurological consequences of COVID-19: what have we learned and where do we go from here? by Jarrahi, Abbas, Ahluwalia, Meenakshi, Khodadadi, Hesam, da Silva Lopes Salles, Evila, Kolhe, Ravindra, Hess, David C, Vale, Fernando, Kumar, Manish, Baban, Babak, Vaibhav, Kumar, Dhandapani, Krishnan M

“…The coronavirus disease-19 (COVID-19) pandemic is an unprecedented worldwide health crisis. COVID-19 is caused by SARS-CoV-2, a highly infectious pathogen that…”
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An Optically Transparent Broadband Microwave Absorber Using Interdigital Capacitance by Sheokand, Harsh, Singh, Gaganpreet, Ghosh, Saptarshi, Ramkumar, Janakarajan, Ramakrishna, Subramanian Anantha, Srivastava, Kumar Vaibhav

“…In this letter, an optically transparent broadband microwave absorber has been developed. The proposed geometry is constructed of the patterned resistive films…”
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Frequency-Shifted Reflection of Electromagnetic Waves Using a Time-Modulated Active Tunable Frequency-Selective Surface by Saikia, Mondeep, Srivastava, Kumar Vaibhav, Ramakrishna, S. Anantha

“…An electromagnetic (EM) wave modulation technique using actively tuned frequency-selective surfaces (FSSs) to shift the frequency of EM waves reflected from…”
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A polarization‐insensitive broadband rasorber with in‐band transmission response by Sharma, Aditi, Saikia, Mondeep, Malik, Sudha, Ghosh, Saptarshi, Srivastava, Kumar Vaibhav

“…In this letter, a polarization‐insensitive broadband rasorber structure with in‐band transmission response has been presented. The proposed structure comprises…”
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Modified Cross Correlation Green's Function With FDTD for Characterization of MIMO Antennas in Nonuniform Propagation Environment by Sarkar, Debdeep, Srivastava, Kumar Vaibhav

“…A finite-difference time-domain-based technique for evaluating envelope correlation coefficient (ECC) and mean effective gain (MEG) of multiple-input…”
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