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The viscous damping of atmospheric gravity waves
Abstract : Dissipation produced by viscous damping and thermal conduction is important in the study of atmospheric gravity waves, which are themselves important in a study of 'irregular' motions inExpand
Real‐time data acquisition and interpretation capabilities of the Dynasonde: 1. Data acquisition and real‐time display
TLDR
The system includes a digitally driven CRT (cathode ray tube) display and a variety of display formats for real time or deferred examination of data; in particular, dynamic time-lapse displays of ionospheric activity can be maintained by the Dynasonde. Expand
The numerical calculation of wave-fields, reflexion coefficients and polarizations for long radio waves in the lower ionosphere. II
The characteristics of radio waves of low and very low frequency reflected from numerical models of electron density and collision frequency are calculated by the methods described in the precedingExpand
The numerical calculation of wave-fields, relexion coefficients and polarizations for long radio waves in the lower ionosphere. I
  • M. Pitteway
  • Philosophical Transactions of the Royal Society…
  • 1965
The wave-fields inside a horizontally stratified ionosphere produced by a radio wave incident at any angle from below are calculated by integrating the governing differential equations. An improvedExpand
Bresenham's algorithm with Grey scale
The control parameter in Bresenham's algorithm, when interpreted as a measure of distance from a straight line boundary, gives a weighted average of the intensities on each side of the line. This canExpand
Algorithms of Conic Generation
The published algorithm (Computer Journal 10, 282) behaves badly if the gradient of the curve being plotted changes too sharply, so that two or more changes of octant are called for in the space of aExpand
An Efficient Structural Technique for Encoding 'Best-fit' Straight Lines
Real‐time data acquisition and interpretation capabilities of the Dynasonde: 2. Determination of magnetoionic mode and echolocation using a small spaced receiving array
Phase measurements by the Dynasonde are obtained for each echo from four spaced receiving antennas in a square array. The antennas are oriented along the array diagonals, and the phase values thusExpand
Reflexion levels and coupling regions in a horizontally stratified ionosphere
  • M. Pitteway
  • Physics
  • Philosophical Transactions of the Royal Society…
  • 15 October 1959
The propagation of radio waves through a horizontally stratified and slowly varying ionosphere is governed, in the case of oblique incidence, by a quartic equation (Booker 1938). Ray theory breaksExpand
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