ADJACENT CHANNEL LEAKAGE POWER RATIO MEASURING APPARATUS, CHANNEL POWER MEASURING APPARATUS, METHOD, PROGRAM, AND RECORD MEDIUM WITH RECORDED PROGRAM

• Main Authors: MUTO, MASAHIKO, MORIKAWA, AKIO
• Format: Patent
• Language: English; French; Japanese
• Published: 22.08.2002
• Edition: 7
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING; TRANSMISSION

The frequency of an adjacent channel signal is reduced by a down converter (12), wherein the signal (adjacent channel signal) in a predetermined band centered around the adjacent channel frequency passes through a band-pass filter (22). At this time, a signal out of the predetermined band among the...