scholarly journals Human physical condition RF sensing at THz range

Author(s):  
A. Vorobyov ◽  
E. Daskalaki ◽  
C. Hennemann ◽  
J.-D. Decotignie
2005 ◽  
Vol 38 (05) ◽  
Author(s):  
S Giacomuzzi ◽  
M Pavlic ◽  
M Ertl ◽  
S Ebmer ◽  
Y Riemer ◽  
...  

2017 ◽  
Vol 16 (1) ◽  
Author(s):  
Catur Hary Wibawa

Abstract This research aims to reveal 1. the condition of older people who lives in Plosokerep Shleter, 2. the psychological condition of older people in Plosokerep Shelter, 3. the social condition of older people in Plosokerep Shelter, 4. the relationship of physical condition experienced by older people with their functional disabilities in Plosokerep Shelter, 5. the relationship of psychological condition experienced by older people with their functional disabilities in Plosokerep Shleter, 6. to know the relatonship of social condition experienced by older people with their functional disabilities in Plosokerep Shelter. The research method used is explanatory-analytic correlational design, to examine the relationship of factors: Physical (X1 variable), Psychological (X2), and social (X3) with older people functional disabilities (Y variable) descriptive survey used explanatory-analytic correlational design. Data collection carried out through questionnaire. Research data analysis used descriptive statistic technique with Spearman test statistic. The result showed that: 1. some older people in Plosokerep shleter have high physical condition and the rest of them in the low physical condition category, 2. from the psychological condition some of older people are in high category, 3. Social condition experienced by older people who live in shelter are in high category, 4. The relationship of physical condition experienced by older people in the shelter with functional disabilities even though there is a correlation but not significant, 5. the relationship of psychological condition experienced by older people in shleter with functional disabilities even though there is a correlation but not significant, 6. the relationship of social condition experienced by older people in the shelter with functional disabilities even though there is a correlation but not significant, 7. the relationship of Physical, psychological and social condition together with functional disabilities even though there is a correlation but not significant.Keywords: physical, psychological, and social condition, functional disabilities, older people Abstrak Penelitian ini bertujuan untuk mengungkapkan: 1. Mengetahui kondisi fisik lanjut usia yang ada di shelter Plosokerep, 2. Mengetahui kondisi psikologis lanjut usia yang ada di shelter Plosokerep, 3. Mengetahui kondisi sosial lanjut usia yang ada di shelter Plosokerep, 4. Mengetahui hubungan kondisi fisik yang dialami lanjut usia dengan disabilitas fungsionalnya selama tinggal di shelter Plosokerep, 5. Mengetahui hubungan kondisi psikologis yang dialami lanjut usia dengan disabilitas fungsionalnya selama tinggal di shelter Plosokerep, 6. Mengetahui hubungan kondisi sosial yang dialami lanjut usia dengan disabilitas fungsionalnya selama tinggal di shelter Plosokerep.Metode penelitian yang digunakan adalah disain korelasional eksplanatori-analitis, yaitu untuk menguji hubungan antara faktor-faktor: fisik (variabel X1), psikologis (X2), dan sosial (X3) dengan disabilitas fungsional lanjut usia (variabel Y)survey deskriptif dengan menggunakan disain penelitian korelasional eksplanatori-analitis. Teknik pengumpulan data dilakukan melalui kuesioner. Analisis data penelitian menggunakan teknik Statistik deskriptif, dengan statistik uji Spearman.Hasil penelitian menunjukkan bahwa: 1. Sebagian lanjut usia di shelter pengungsian Plosokerep memiliki kondisi fisik kategori tinggi, dan sebagian lagi berada dalam kondisi fisik kategori rendah, 2. Dilihat dari kondisi psikologis, sebagian besar lanjut usia berada dalam kategori tinggi, 3. Kondisi sosial yang dialami lanjut usia selama berada di shelter pengungsian, sebagian besar juga berada dalam kategori tinggi, 4. Hubungan kondisi fisik yang dialami lanjut usia selama berada di shelter pengungsian dengan disabilitas fungsional, meskipun terdapat korelasi tetapi tidak signifikan, 5. Hubungan kondisi psikologis yang dialami lanjut usia selama berada di shelter pengungsian dengan disabilitas fungsional, meskipun terdapat korelasi tetapi tidak signifikan, 6. Hubungan kondisi sosial yang dialami lanjut usia selama berada di shelter pengungsian dengan disabilitas fungsional, meskipun terdapat korelasi tetapi tidak signifikan, 7. Hubungan kondisi fisik, psikologis, dan sosial secara bersama-sama dengan disabilitas fungsional, meskipun terdapat korelasi tetapi tidak signifikan.Kata kunci:  disabilitas fungsional, kondisi fisik, psikologis, dan sosial, lanjut usia


2020 ◽  
Vol 14 (1) ◽  
pp. 113-119
Author(s):  
Zhang Su

Background: In recent years, sudden deaths of primary and secondary school students caused by sports activities have drawn great attention in education and medical circles. It is necessary for schools to monitor the physical condition of the students in order to reasonably set the duration of their physical activity. At present, the physical condition monitoring instruments used in various hospitals are expensive, bulky, and difficult to operate, and the detection process is complicated. Therefore, existing approaches cannot meet the needs of physical education teachers on campus for detecting the physical condition of students. Methods: This study designs a portable human-physiological-state monitoring and analysis system. Real-time communication between a wearable measurement device and a monitoring device can be ensured by real-time detection of the environment and power control of the transmitted signal. Results: From a theoretical point of view, the larger the number of segments M, the more significantly the reduction of false alarm probability. The simulation results also show this fact. Compared with the conventional early warning mechanism, the probability of a false alarm for the proposed system is lower, and the greater the number of segments, the faster its reaction speed. Conclusion: The portable monitoring system of student physical condition for use in physical education of primary and middle school students proposed in this paper ensures real-time monitoring of the members within the system in an open environment, and further proposes an early warning mechanism for combining multiple vital sign parameters. In addition, the proposed system functions faster; the average early warning time required is only one-quarter of that of the conventional system.


Author(s):  
Richard Healey

Often a pair of quantum systems may be represented mathematically (by a vector) in a way each system alone cannot: the mathematical representation of the pair is said to be non-separable: Schrödinger called this feature of quantum theory entanglement. It would reflect a physical relation between a pair of systems only if a system’s mathematical representation were to describe its physical condition. Einstein and colleagues used an entangled state to argue that its quantum state does not completely describe the physical condition of a system to which it is assigned. A single physical system may be assigned a non-separable quantum state, as may a large number of systems, including electrons, photons, and ions. The GHZ state is an example of an entangled polarization state that may be assigned to three photons.


2019 ◽  
Vol 629 ◽  
pp. A112 ◽  
Author(s):  
B. M. Giuliano ◽  
A. A. Gavdush ◽  
B. Müller ◽  
K. I. Zaytsev ◽  
T. Grassi ◽  
...  

Context. Reliable, directly measured optical properties of astrophysical ice analogues in the infrared and terahertz (THz) range are missing from the literature. These parameters are of great importance to model the dust continuum radiative transfer in dense and cold regions, where thick ice mantles are present, and are necessary for the interpretation of future observations planned in the far-infrared region. Aims. Coherent THz radiation allows for direct measurement of the complex dielectric function (refractive index) of astrophysically relevant ice species in the THz range. Methods. We recorded the time-domain waveforms and the frequency-domain spectra of reference samples of CO ice, deposited at a temperature of 28.5 K and annealed to 33 K at different thicknesses. We developed a new algorithm to reconstruct the real and imaginary parts of the refractive index from the time-domain THz data. Results. The complex refractive index in the wavelength range 1 mm–150 μm (0.3–2.0 THz) was determined for the studied ice samples, and this index was compared with available data found in the literature. Conclusions. The developed algorithm of reconstructing the real and imaginary parts of the refractive index from the time-domain THz data enables us, for the first time, to determine the optical properties of astrophysical ice analogues without using the Kramers–Kronig relations. The obtained data provide a benchmark to interpret the observational data from current ground-based facilities as well as future space telescope missions, and we used these data to estimate the opacities of the dust grains in presence of CO ice mantles.


2020 ◽  
pp. 1-1
Author(s):  
Pragya Sharma ◽  
Guoyi Xu ◽  
Xiaonan Hui ◽  
David L. Hysell ◽  
Edwin C. Kan
Keyword(s):  

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