Carrier power to noise power ratio measuring system

Details Carrier power to noise power ratio measuring system Carrier power to noise power ratio measuring system

G - Physics

01

R

354/21, 324/58.2

G01R 29/26 (2006.01)

Patent

CA 1191611

-1- CARRIER POWER TO NOISE POWER RATIO MEASURING SYSTEM ABSTRACT OF THE DISCLOSURE: A system for measuring a carrier power to noise power ratio of a signal corrupted by noise comprises a detector for detecting the signal, a circuit to sample the output signal from the detector, a circuit for holding the sampled detector output, and an A/D converter for converting the signal held as described above into a digital quantity. This system is chara- cterized by being so constructed as to effect the measurement of the carrier power to noise power ratio of a signal under test by finding at least one of the squared average value, the average value, and the dis- persion on the basis of the output of the aforementioned A/D converter. BACKGROUND OF THE INVENTION FIELD OF THE INVENTION: This invention relates to a system for measuring the carrier power to noise power ratio of a signal transmitted through a wired or wireless transmission path. DESCRIPTION OF THE PRIOR ART: A rich variety of communication methods have been

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