Introduction - If you have any usage issues, please Google them yourself
A new scan conversion scheme and memory. This may cause conflicts and reduce the
video memory architecture with advanced system performance.
graphics for raster scan radar display are
proposed in this paper. By taking advantage 2). In order to display the radar signals it is
of succession of radar range scan, the necessary to convert form the polar format into
Cartesian coordination increments(0 or 1) of Cartesian co-ordinates which match the raster scan
every two axial adjacent points are pre- format on the screen. In high rotating rate and high
calculated and stored and then the Cartesian transmitting frequency situation, the high speed and
coordination can be reconstructed by real time scan converting is difficult. In addition.
counting the increments realtimely when artifacts called "dead address." and "moire" will be
converted . This new approach works quickly caused by digital scan converting .
and precisely and can overcome artifacts in 3). There is contradiction between the versatility
visual effects. The advanced graphics flexibility and low cost, compactness.
functions of this system greatly improve the
display performance , especially the ability of A modularized system which has perfectly solved
plotting extracted data. A practical display these problems is introduced in following sections.
system based on these principles is developed
and implemented . The excellent result 2. System Architecture
proves its feasibility and versatility.
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