Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Xinsa Zhao"'
Publikováno v:
AIP Advances, Vol 14, Iss 2, Pp 025024-025024-12 (2024)
In the photoacoustic detection of breast cancer, the weak intensity and severe energy attenuation of photoacoustic signals excited by the breast tissue become an important factor limiting the efficient acquisition of the ultrasound transducer. To ove
Externí odkaz:
https://doaj.org/article/643ae6aa74704f37889a7a3985f3af82
Publikováno v:
Frontiers in Physics, Vol 11 (2023)
In this work, a phononic crystal gradient metamaterial structure (PCGMs) is proposed based on the strong wave compression effect coupled with equivalent medium theory to achieve enhancement and directional sensing of weak target acoustic signals. Com
Externí odkaz:
https://doaj.org/article/66d885bf5d8f4f83a70704834f745ba2
Publikováno v:
Crystals, Vol 13, Iss 8, p 1196 (2023)
In the field of industrial structure detection, acoustic signals have been pivotal. A cost-effective and highly sensitive acoustic monitoring system that can enhance weak acoustic signals has always been an interesting topic in many research fields.
Externí odkaz:
https://doaj.org/article/eddfb957eb0f4801b95988755011ccca
Publikováno v:
Crystals, Vol 13, Iss 8, p 1291 (2023)
Acoustic sensing systems play a critical role in identifying and determining weak sound sources in various fields. In many fault warning and environmental monitoring processes, sound-based sensing techniques are highly valued for their information-ri
Externí odkaz:
https://doaj.org/article/c75ded6623c6474a81d874869c0cf11d
Publikováno v:
Crystals, Vol 13, Iss 8, p 1191 (2023)
Conventional acoustic systems exhibit a difficulty in sensing weak acoustic fault signals in complex mechanical vibration environments. Therefore, it is necessary to develop an acoustic sensing mode and a corresponding functional device with pressure
Externí odkaz:
https://doaj.org/article/e81133a35fa34b27a3ded3eb43d162b9
Publikováno v:
AIP Advances, Vol 10, Iss 11, Pp 115321-115321-8 (2020)
In underwater acoustic communication, there are problems of low transmission efficiency, severe loss, and inaccurate point-to-point transmission. To realize the efficient transmission of underwater acoustic communication based on finite element analy
Externí odkaz:
https://doaj.org/article/a853a7c2a0b0475f8bf1f11ed11eae39
Publikováno v:
Crystals, Vol 11, Iss 5, p 507 (2021)
In breast ultrasound CT imaging, the ultrasound signals received by high-density CMUT cylindrical array have problems of low transmission efficiency, susceptibility to interference from other signals, and an inability to achieve efficient acquisition
Externí odkaz:
https://doaj.org/article/2170b5ad61da428781e1e344c9f75dac
Publikováno v:
AIP Advances; Feb2024, Vol. 14 Issue 2, p1-12, 12p
Publikováno v:
Crystals (2073-4352); Aug2023, Vol. 13 Issue 8, p1291, 14p
Publikováno v:
Crystals (2073-4352); Aug2023, Vol. 13 Issue 8, p1196, 14p