Interference mitigation for positioning systems

An interference removal filter that includes a combination of a first filter and a second filter, where the first filter passes signals over a frequency range of size B with a variation of less than +/−3 dB, where the peak value of the impulse response of the second filter is displaced in time from...

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Bibliographic Details
Main Author Krasner, Norman F
Format Patent
LanguageEnglish
Published 15.05.2018
Subjects
ANALOGOUS ARRANGEMENTS USING OTHER WAVES
BASIC ELECTRONIC CIRCUITRY
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
JAMMING OF COMMUNICATION
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
MEASURING
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
RESONATORS
SECRET COMMUNICATION
TESTING
TRANSMISSION
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Summary:An interference removal filter that includes a combination of a first filter and a second filter, where the first filter passes signals over a frequency range of size B with a variation of less than +/−3 dB, where the peak value of the impulse response of the second filter is displaced in time from the peak value of the impulse response of the first filter by at least 2/B time units, and where the combination of the first filter and the second filter produces a notch in frequency at a frequency location within the frequency range.
Bibliography:Application Number: US201715637574