precise frequency

precise frequency

A frequency requirement accurate to within one part in 1,000,000,000.
References in periodicals archive ?
Designed waveguides will not only lead to the integration of stabilized octave spanning combs for precise frequency references, But also introduce a path towards dynamic on-chip quantum state generation and unconstrained frequency conversion.
Quartz maintains a precise frequency standard, which helps regulate the movement of the clock, making the timepieces very accurate.
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.
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.
Precise frequency controls keep output regulated within two percent.
As it turned out, Engressia had perfect pitch and could whistle at exactly 2600 Hz--the precise frequency used by the phone company to take control of a trunk line, from which any variety of further calls could be made.
2) Highly precise frequency planning by inter-sub-channel interference simulation technology:
The NCO, also commonly referred to as the local oscillator (LO), can create a sampled waveform at a precise frequency and phase.
The precise frequency of resistance to SBCN has not been determined nor has the efficacy of this resistance been fully characterized in field and greenhouse tests.