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MICROPULSATION SENSORS WITH LAMINATED MUMETAL CORES
TEXAS UNIV AT AUSTIN ELECTRICAL ENGINEERING RESEARCH LAB
The derivation and computer solutions of certain equations which specify coils wound on long, straight, ferromagnetic cores are given. Use of these equations is illustrated in the design of sensors for detecting changes in the earths magnetic field which occur at frequencies of one cycle per second or less. Design emphasis is placed on wire resistance and completed sensor weight. Included is an account of the construction and testing of three such sensors.
Approved for public release; distribution is unlimited.
Contract Number 2: