precise frequency

precise frequency

A frequency requirement accurate to within one part in 1,000,000,000.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
References in periodicals archive ?
Heat is generated by applying a precise frequency and amplitude of vibration between the surfaces of the thermoplastic layers.
Quartz maintains a precise frequency standard, which helps regulate the movement of the clock, making the timepieces very accurate.
However, the length of this training symbol is twice that of a data symbol, which is done for two reasons; first, it makes it possible to do a precise frequency estimation on the long symbol.
The size of the frequency gaps, and their precise frequency varies too - meaning that there is no single white space frequency that can be used around a country.
EXPERT SURGEON ADVICE This is a small battery powered unit which straps to the knee and is regulated to vibrate at the precise frequency shown to block the pain.
It accepts a 10 MHz reference from either a front panel reference input, or from or an on-board 10 MHz oven controlled crystal oscillator, which provides an exceptionally precise frequency standard with excellent phase noise characteristics.
Besides, the precise frequency of the interference is necessary for the filter designing.
A team of researchers at the University of Twente in the Netherlands has developed an artificial cricket hair sensor that can not only detect air flow but can be tuned to a very precise frequency.
RF technology further reduces isolator operating power and adds the benefits of precise frequency discrimination for superior noise rejection.
And yet the effect was not so much sculptural as mental, calibrated to a single, precise frequency, again recalling a hypothetical musical accompaniment.
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