The increase in switching speed offered by GaN transistors requires good measurement technology, as well as good techniques to capture important details of high-speed waveforms. This article focuses ...

Vibration calibration and measurement techniques are critical for ensuring the accuracy and reliability of sensors and instrumentation employed in diverse fields such as civil engineering, seismology, ...

For semi-crystalline polymers, the crystallinity rate is a key parameter which directly influences mechanical properties, such as mechanical resistance or stiffness, as well as thermal and gas barrier ...

The measurement technique of an aspheric surface is mainly for the surface form and parameters. The surface form is the three-dimensional distribution of the surface in the spatial domain. The ...

Measuring phase noise with a spectrum analyzer. The primary advantage of dedicated phase-noise analyzers. The cross-correlation method. Using a spectrum analyzer is the oldest, most straightforward, ...

It is crucial that mobile phones and other wireless devices -- so prevalent today -- have accurate and traceable measurements for electric fields and radiated power. Until recently, however, it wasn't ...

A novel measurement technique has been developed to visualize the fluid flow and distribution within two droplets levitated and coalesced in space using fluorescence-emitting particles. This technique ...

The actinides include 14 metallic elements in the periodic system. They include thorium, uranium, neptunium, plutonium and americium. Atoms of these elements have have many electrons, up to more than ...

A group of researchers from the California Institute of Technology (Caltech) has unveiled a pioneering method to measure soil moisture in the vadose zone-the shallow region between the earth's surface ...

The air we breathe in our homes, schools, and workplaces can be polluted with harmful PFAS chemicals, according to a study published today in Environmental Science & Technology Letters. A new ...

New spacecraft techniques propose using CubeSats, laser rangefinding, and precise Doppler measurements to determine the mass ...