無線送受信機及び無線送受信機の間欠送受信制御方法 TPC Us20060194564 被引量: 18发表: 0年 GPS第二民間周波数信号(L2C)の受信試験(測位・航法及び一般) The GPS provides only L1 C/A signal for civilian use since beginning of the development while both L1 and L2 frequencies are available fo...