In light of the rapid advancements in electronic technology in the domains of 5G communication and military applications, there has been a significant development of electromagnetic wave (EMW) absorption materials, which play a pivotal role as responsive materials in the realm of EMW technology [1,2...
One class of analysis methods is based on the assumption of the presence of a single plane wave and can be used to determine the direction of the wave vector. If the wave field is more complex, containing waves which simultaneously propagate in different directions and/or wave modes, the ...
1a. This application is obviously inspired by classic tuneable half-wave dipole antennas with telescopic elements33. An advanced electronic version of the telescopic dipole concept has been recently proposed in the form of a p-i-n diode array structure whose elements are “activated” to achieve ...
electromagnetic (EM) cross-coupling1, the presence of connectors2, housing3, mutual coupling of radiators4, can only be accounted for by means of a full-wave EM analysis. Appropriate capturing of these effects, along with the necessity of fulfilling stringent performance requirements (which ...
Microwaves of certain frequencies are absorbed by water. This property of microwaves is useful n cooking. Water in the food absorbs microwaves, which causes the water to heat up, therefore cooking the food. Microwave transmission is affected by wave effects such as refraction, reflection, interferen...
Speed of light= 3.0 x 108 m/s Speed of sound 340 m/s Thus what Wavelength The distance from crest to crest of a wave. Frequency How often a wave occurs over a given period of time. Let’s put them together Formula you need to know Wavelength x frequency = speed of light λ*ν ...
At both farms, after initially monitoring five cows’ salivary melatonin concentrations at 2-h intervals during night dark phase for 10 consecutive days, and with the short-wave transmitter switched off during three of the 10 days (off phase), samples were analyzed using a radioimmunoassay. They...
Versions Notes Abstract The development of functional building materials that can absorb electromagnetic radiation is important for preventing and controlling electromagnetic pollution in urban areas. In this study, cement-based electromagnetic wave (EMW)-absorbing materials were created using graphite tailings...
The transmission speed of an electromagnetic wave is defined in Equation (1). Equation (1) shows that two key parameters, 𝜇μ and 𝜀,ε, determine the transmission speed 𝑣v in media. As introduced above, it is uncertain whether moisture content influences the relative permeability of con...
• Two-way measuring system can be used for measuring forward flux and reverse flux; low-frequency rectangular wave excitation improves the stability of flow, low power loss, and superior low-velocity characteristic. Introduction MFE600E Series Electromagnetic Flowmeter (...