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FREUENCY MODULATION ON PULSE TRANSMISSIONS
Phone: (315) 432-8909
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.
* Information listed above is at the time of submission. *