The Hilbert-Huang transform (HHT) is widely used for time-frequency analysis of blasting seismic wave signals due to its unique adaptability. However, blasting seismic wave signals are typical ...
The ZPW-2000 jointless track circuit is the most widely used track circuit in China’s high-speed railways. The frequency shift signal is used to transmit the idle situation of the front block section ...
一部の結果でアクセス不可の可能性があるため、非表示になっています。
アクセス不可の結果を表示する