Standartization Use Case of Solid-State Laser Lab and RF&Microwave Amplifier Remote and Virtual Laboratories at Labicom
This paper outlines a demonstration of a few remote and virtual laboratories at Labicom platform that were built with accordance to main IEEE P1876™ ideas. A few standardization approaches at above mentioned remote and virtual laboratories are briefly discussed. These laboratories were presented at interactive Labicom demo session during REV'16 conference and published in conference proceedings under title "Labicom Labs: Remote and Virtual Solid-State Laser Lab, RF&Microwave Amplifier Remote and Virtual Lab. Interactive demonstration of Labicom labs in winter 2016".
Computer Model of Bandpass Waveguide Filter for Virtual Laboratory
The paper presents the approach of designing a virtual laboratory which can be used for classroom studying and for distance learning. Such virtual works are a good alternative to highly expensive microwave measurement equipment. The software package was written in C++. The testing results of applying virtual laboratory for radiophysics measurements are considered.
Pig Vocalizations Under Selected Husbandry Practices
Acoustical characteristics of vocalizations of sows, piglets, and nursery pigs under selected husbandry practices were analyzed with a digital signal processing system. The duration (D) and major energy-resonance frequency (P) for each call were determined as follows: a) processing of piglets (D = 0.81 s and f* = 3 700 Hz); b) food anticipation of breeding-gest ation sows (2.50 s and 3 000 Hz); c) isolation of piglet (0.34 s and 500, 3 500 Hz); d) startling of nursery pigs (0.29 s and 900 Hz); e) sows in heat (3.07 s and 1 375 Hz); f) farrowing (0.10 s and 3 000 Hz); g) sow nursing (0.15 s and 1 000 Hz); and h) mate greeting of sow (0.13 s and 1 000 Hz). Calls a) to d) are responses to human generated stressors, and calls e) through h) responses to social and physiological states of the pigs. Thus, vocalizations can be segmented for different pig production situations.