Nuclear magnetic resonance spectroscopy (NMR) nowadays is one of the most powerful
and versatile analytical methods for modern organic chemistry,(1) catalysis,(2) biology,(3) …

Communication, navigation and radar systems rely on frequency-tunable and low-noise
microwave sources. Compared to electronic microwave synthesizers, photonic systems that …

To increase the measured phase of an atom interferometer and improve its sensitivity,
researchers attempt to increase the enclosed space-time area using two methods: creating …

In this article, an improved algorithm for multiple-frequency continuous wave (MFCW)
ultrasonic distance measurement is presented. Currently, MFCW method can evaluate target …

The method of frequency transformations measurement for digital power of electrical signals
meters is offered. The method is based on instantaneous power correlation processing …

Atom interferometers can be used to obtain information about accelerations and fields,
whether this may be in the investigation of fundamental aspects of physics, such as …

The advent of optical frequency standards with ultimate uncertainties in the low 1× 10− 18
requires femtosecond frequency combs to support a similar level of resolution in the spectral …

This article describes a design of an field-programmable gate array (FPGA) implementation
of a clock and data recovery (CDR) system. The core will be integrated in the FPGA …

Brushless direct current (BLDC) motors are high efficiency synchronous motors that are
employed in a variety of applications due to prominent features such as long operational life …

Arduino, Teensy, and related microcontrollers provide a virtually limitless range of creative
opportunities for musicians and hobbyists who are interested in exploring" do it yourself" …