School of Mechanical Engineering;
Northwestern Polytechnical University;
Xi’an;
710072;
China;
Dongguan Sanhang Military-Civil Integration Innovation Research Institute;
Dongguan;
523808;
China;
School of Communication Engineering;
Xidian University;
Xi’an;
710071;
China;
Wideband acoustic imaging; Compressed sensing; Singular value decomposition; Microphone array; Gas leakage;