The development of distant-talk measurement systems has been attracting attention since they can be applied to many situations such as security and disaster relief. One system that uses a device called laser Doppler vibrometer (LDV) acquire sound by measuring an object’s vibration caused the source proposed. Different from traditional microphones, LDV pick up target distance even in noisy envir...

Urban rail transit (URT) is the backbone transport mode in metropolitan areas to accommodate large travel demands. The high energy consumption of URT becomes a hotspot problem due ever-increasing operation mileages and pressing agendas carbon neutralization. model complexity inconsistency objectives minimizing passenger time operational are main challenges for energy-efficient timetabling netwo...