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Cw Radar For Measuring Head On Radar Cross Section Of Free Flight Projectiles I Antenna For Simultaneous 35 And 70gc Operation

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Cw Radar For Measuring Head On Radar Cross Section Of Free Flight Projectiles I Antenna For Simultaneous 35 And 70gc Operation

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Author : P. E. Robillard
language : en
Publisher:
Release Date : 1964

Cw Radar For Measuring Head On Radar Cross Section Of Free Flight Projectiles I Antenna For Simultaneous 35 And 70gc Operation written by P. E. Robillard and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with categories.

A multiplex antenna was designed for the 35 Gc and 70 Gc radars. This antenna system was installed on the physics range ot obtain simultaneous measurements of the nose-on radar cross section of hypersonic projectiles. The 35 Gc and 70 Gc CW Doppler radars were used alternately on the physics range to measure the nose-on radar cross section of projectiles. The absorption effect previously reported was measured with this instrumentation. Due to the high cost of firings, simultaneous operation of the two radars would be desirable. In addition, simultaneous observation of radar absorption at two frequencies would provide a more precise comparison than if observations were made on two separate firings. To measure nose-on radar cross section, the axis of the radar antenna beam must coincide with the flight axis of the projectile. To operate two radars simultaneously means that the two radar beams must be coaxial. Since CW systems were being used and are to be preferred for a variety of reasons, time sharing techniques were not considered. Therefore an antenna system had to be devised which would orient two CW beams coaxially with a minimum of interaction between the two systems. (Author).

Scientific And Technical Aerospace Reports

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Author :
language : en
Publisher:
Release Date : 1964

Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Aeronautics categories.

Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.