Zobrazeno 1 - 10
of 107
pro vyhledávání: '"Krishna Naishadham"'
Publikováno v:
Sensors, Vol 23, Iss 20, p 8447 (2023)
Carbon nanotube (CNT) sensors provide a versatile chemical platform for ambient monitoring of ozone (O3) and nitrogen dioxide (NO2), two important airborne pollutants known to cause acute respiratory and cardiovascular health problems. CNTs have show
Externí odkaz:
https://doaj.org/article/92ff9d2f0e5b4169b1de91073dc9b5db
Publikováno v:
Chemosensors, Vol 10, Iss 4, p 127 (2022)
Gas sensors have wide applications in several fields, spanning diverse areas such as environmental monitoring, healthcare, defense, and the evaluation of personal and occupational exposure to hazardous chemicals. Different typologies of gas sensors h
Externí odkaz:
https://doaj.org/article/1c4060372ebc4eb78f5e3fe787849921
Publikováno v:
IEEE Instrumentation & Measurement Magazine. 25:42-51
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a1f061aae7b516b0036ac8cf4200502b
https://doi.org/10.1109/mim.2022.9759353
https://doi.org/10.1109/mim.2022.9759353
Autor:
Krishna Naishadham
Publikováno v:
Progress In Electromagnetics Research B. 90:63-89
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5a0d07f9f4296f3c0a5684df115b7797
https://doi.org/10.2528/pierb20070901
https://doi.org/10.2528/pierb20070901
Wireless sensor elements integrated with miniaturized antennas are useful in various applications such as wearable chemical and environmental sensors and Internet-of-Things (IoT) sensor nodes. A major problem in antenna operation is detuning of the a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0af6ce1aeca36f80095345c47dac032c
http://hdl.handle.net/11570/3203723
http://hdl.handle.net/11570/3203723
Autor:
Jean E. Piou, Krishna Naishadham, Aly E. Fathy, Lingyun Ren, Ozlem Kilic, Farnaz Foroughian, Nghia Tran
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 66:3521-3534
In this paper, ultra-wideband (UWB) Doppler radar signatures from walking human subjects are processed with the state-space method (SSM) to analyze compressed radar echoes for the first time. A new mathematical model is proposed to detect the human w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::61496d2387d37c8f4eb7d1f4fbd3b46e
https://doi.org/10.1109/tmtt.2018.2829523
https://doi.org/10.1109/tmtt.2018.2829523
Publikováno v:
2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting.
In this work a preliminary study of the state space method applied to the electromagnetic cloaking problem is presented. A dielectric coated circular cylinder cloaked with a metasurface based on a sinusoidally modulated unit cell is considered. The s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::305110804795c86fb153b103e9c7caf7
https://doi.org/10.1109/apusncursinrsm.2019.8889045
https://doi.org/10.1109/apusncursinrsm.2019.8889045
Publikováno v:
M&N
The aim of this work is to develop a gas sensor integrated into a 2.4 GHz patch antenna. The detection mechanism is to track the resonant behavior of an antenna coupled to an interdigitated capacitor (IDC) on which a sensing material is deposited. Wh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a1691a46462f44f735108e852b3b4b54
http://hdl.handle.net/11583/2759452
http://hdl.handle.net/11583/2759452
Publikováno v:
IEEE Transactions on Biomedical Circuits and Systems. 10:1037-1046
Ultra wideband (UWB) Doppler radar has many biomedical applications, including remote diagnosis of cardiovascular disease, triage and real-time personnel tracking in rescue missions. It uses narrow pulses to probe the human body and detect tiny cardi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::938a0f1773e1f3cbc83fba16ef6c5de5
https://doi.org/10.1109/tbcas.2015.2510652
https://doi.org/10.1109/tbcas.2015.2510652
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 64:3319-3331
Ultra-wideband (UWB) pulse Doppler radars can be used for noncontact vital signs monitoring of more than one subject. However, their detected signals typically have low signal-to-noise ratio (SNR) causing significant heart rate (HR) detection errors,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::132103fefd5a1db79bbea8a3742de09a
https://doi.org/10.1109/tmtt.2016.2597824
https://doi.org/10.1109/tmtt.2016.2597824