DEVICE FOR MEASURING TRANSMISSION LINE CHARACTERISTIC AND SYSTEM FOR UTILIZING TRANSMISSION LINE MEASURING CHARACTERISTIC THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a technique of simply establishing a timing synchronization, even if any signal to which a reference timing is shown is not transmitted.;SOLUTION: While a clock counter 40 sequentially increases a counter value in a range from a first value to a second value, when the counter value reaches the second value, the counter value is returned to the first value and an increase in the counter value is repeated. A demodulator 46 receives signals from each of plural transmitters in which clock counters with the same range as that of the clock counter 40 are loaded. An extraction part 48 extracts a counter value included in each signal, and a counter value in a clock counter loaded in a transmitter transmitting the signal. A deriving part 50 derives a correction value of the counter value per transmitter on the basis of the extracted counter value and a counter value in the clock counter 40. A communication department 42 directs corrections of the counter values by the correction value to each of the transmitters.;COPYRIGHT: (C)2011,JPO&INPIT