SBIR/STTR Research Award

FREUENCY MODULATION ON PULSE TRANSMISSIONS

Award identifier d35f4d0004f99269a3637f7ecd454e52aa37f75cf5f642d41b699f9f8a3ae9a7Awarding agency Department of Defense · Navy

Award amount

$49,750

Program and phase

SBIR · Phase I

Award year

1988

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Award details

Awarding agency
Department of Defense
Branch
Navy
Recipient company
AMETHYST TECHNOLOGIES, INC.
Proposal award date
Not reported
Contract end date
Not reported
UEI
Not reported
Solicitation number
Not reported
Topic code
Not reported

Research abstract

MEASUREMENT OF FREQUENCY MODULATION ON PULSED SIGNALS IS A MATTER OF MAJOR CONCERN WHEN MANUFACTURING A PULSED SIGNAL SOURCE WITH SPECIFIED MODULATION CHARACTERISTICS. THESE MEASUREMENTS ARE ALSO IMPORTANT IN FIELD APPLICATIONS TO VERIFY PULSED SIGNAL PERFORMANCE OR TO DETERMINE THE NATURE OF FREQUENCY MODULATION. CONVENTIONAL DISCRIMINATOR TECHNIQUES ARE NOT SUITABLE FOR MEASURING FREQUENCY MODULATION ON SHORT PULSES WITH POOR SIGNAL TO NOISE CONDITIONS. THE DEVICE TO BE INVESTIGATED IS BASED ON A DELAY LINE DISCRIMINATOR WHERE FREQUENCY MODULATION INFORMATION IS INSENSITIVE TO AMPLITUDE FLUCTUATIONS OF THE PULSED SIGNAL. THIS APPROACH CAN PROVIDE A MEASUREMENT OF THE AMOUNT AND WAVEFORM OF FREQUENCY MODULATION OCCURRING ON A SINGLE SHORT DURATION PULSE. THE METHOD IS WELL SUITED FOR DIGITAL PROCESSING OF THE DISCRIMINATOR OUTPUT ON A PULSE BY PULSE BASIS.

Technology keywords

Not reported

Agency intelligence

Department of Defense

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