*.avi; *.csv; *.txt
In order to enable an efficient and reliable integration of photovoltaic power plants into power
grids in sub-Saharan Africa in general and Chad in particular, which is committed to massively exploiting
solar energy to address its energy deficit, this work aims to forecast hourly temperature and global horizontal
irradiation (GHI). In this study, we employ ensemble methods represented by random forest (RF) and extreme
boosting gradient (XGB) model. Their performances are then compared with the support vector regression
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13 Views
The dataset comprises the spectral density peak power levels from a spectrum survey in a rural area of Belgium. For the spectrum measurements we consider 21 locations of a rural scenario in Nevele, Belgium. This is a mostly flat area with detached isolated houses and farms. We defined a grid of different locations for measuring the peak signal levels [dBm] across the spectrum between 170 MHz and 1000 MHz, during a period of 0.5 h. The measurements across the different locations are not synchronized and, therefore not correlated in the time domain.
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94 Views
This dataset supports the structural equation modeling (SEM) analysis of the impact of emerging IT integration on supply chain resilience. The data were collected using a snowball sampling method, initially distributed to EMBA students at Northwestern Polytechnical University and Xidian University, who were encouraged to share the survey link within their professional networks.
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8 Views
LSE, Atmospheric transmittance, upward and downward atmospheric radiation for GF-5B
The Thermodynamic Initial Guess Retrieval (TIGR) data set, in its latest version, is a climatological library of 2311 representative atmospheric situations selected by statistical methods from 80,000 radiosonde reports (Chédin et al., 1985; Achard, 1991; Chevallier et al., 1998). Each situation is described, from the surface to the top of the atmosphere, by the values of the temperature, water vapour and ozone concentrations on a given pressure grid.
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143 Views
The agile frequency source based on direct digital synthesizer (DDS) has become a critical component in high-speed frequency-hopping anti-jamming communication due to its ultra-short frequency switching time, enabling hop rates greater than code rates. This paper proposes a frequency planning method to achieve a high spectral purity agile frequency synthesizer in the range of 3.43-5.73GHz.
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23 Views
This dataset provides a comprehensive exploration of 1580 distinct Hindi dish categories, offering a cultural and culinary lens into India's rich gastronomic heritage. The classification encapsulates a diverse array of dishes spanning regional, seasonal, and festive cuisines, while highlighting the integral role of ingredients, cooking techniques, and cultural narratives.
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48 Views
On-demand polarization control of electromagnetic waves is the fundamental element of modern optics. Its interest has recently been expanded in the terahertz (THz) range for coherent excitation of collective quasiparticles in matters, triggering a wide variety of non-trivial intriguing physics, e.g., anharmonicity, nonlinear coupling, and metastability. Wavelength tunability in THz polarization control is fundamentally important for the resonant excitation of collective modes.
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10 Views
This dataset provides a comprehensive collection of maternal health data, focusing on key health indicators throughout pregnancy. It includes essential details such as the mother’s age, gravida (number of pregnancies), weight, height, blood pressure, gestational age, and fetal health status. In addition to these primary metrics, the dataset captures important medical test results, including anemia, blood sugar levels, and fetal heart rate, providing a thorough overview of both maternal and fetal well-being.
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222 Views
This is a dataset: a database of radar cross sections of models; The characteristics of the data set include radar frequency, polarization mode (currently only the co-polarized VV and HH), radar Angle of sight (pitch and azimuth), and target characteristics RCS. According to these input feature information, the highly nonlinear feature rcs of the predicted target is estimated. Prediction is actually an interpolation method, which can be divided into two kinds, interpolation and extrapolation. We can try different methods according to the data set provided, please show your skills!
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12 Views
A comparator is used to compare two voltages and produce a digital output signal based on the comparison result. Filters, on the other hand, are designed to allow certain frequencies to pass while attenuating others. During testing, for comparators, parameters such as hysteresis and response time are measured. For filters, characteristics like cutoff frequency, roll-off rate, and attenuation in the stopband are evaluated.
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10 Views