long wave


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long wave

[′lȯŋ ¦wāv]
(communications)
An electromagnetic wave having a wavelength longer than the longest broadcast-band wavelength of about 545 meters, corresponding to frequencies below about 550 kilohertz.
(meteorology)
With regard to atmospheric circulation, a wave in the major belt of westerlies which is characterized by large length (thousands of kilometers) and significant amplitude; the wavelength is typically longer than that of the rapidly moving individual cyclonic and anticyclonic disturbances of the lower troposphere. Also known as major wave; planetary wave.
References in periodicals archive ?
Unchecked ambition, greed, hopes and fears of the human heart clearly play a role in the modern long wave, with parallels in the Biblical Jubilee.
Long wave theory is the philosophy that capitalism undergoes long movements in core performance, including upswing and downswing, beyond simply business cycles.
In this section the shape of the external pressure perturbation is specified and an integral form for the response amplitude in the limit of large times and in the long wave approximation will be presented.
After presenting the evidence for long waves in wholesale prices at the end of Chapter 1, in Chapter 2 he reviews and integrates the various long wave theories that followed Kondratiev.
One should have paid more attention to this period when thinking about the Fourth Phase of the Long Wave.
Jennifer Taafe of RTE Radio said: "The feedback we get from listeners will determine if weekend sport returns to medium wave and long wave or not.
Long wave ultraviolet A radiation passes on through to the lower atmosphere.
The disorder is called long QT syndrome for the abnormally long wave it may produce on an electrocardiogram, a tracing of the electrical activity of the heart.
The talk is entitled "High-performance long wave infrared bolometer fabricated by wafer bonding".
Contract awarded for Symposium on Long Wave Mitigation - Geraldton Harbour
We did some of the EP there and we then came back to my studio, Long Wave in Cardiff, to finish the rest.