The three-dimensional spatial autocorrelation of ionospherically propagated wave packets at high latitudes

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Authors
  1. Riddolls, R.
Corporate Authors
Defence R&D Canada - Ottawa, Ottawa ONT (CAN)
Abstract
We analytically derive a three-dimensional spatial autocorrelation function for the phase of ionospherically propagated wave packets at near-vertical magnetic field dip angles. The correlation length in the direction normal to the plane of propagation is approximately equal to the outer scale size of plasma irregularities in the ionosphere. The correlation length in the horizontal direction in the plane of propagation is approximately equal to one-half the horizontal length of the ionospheric path transited by the wave packet. The vertical correlation length is shown to be equal to the horizontal correlation length multiplied by the tangent of the wave packet take-off angle.

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Keywords
radio;sky wave;high frequency;ionosphere;correlation;scintillation
Report Number
DRDC-OTTAWA-TM-2012-158 — Technical Memorandum
Date of publication
01 Dec 2012
Number of Pages
23
DSTKIM No
CA042681
CANDIS No
803873
Format(s):
Electronic Document(PDF)

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