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Titlebook: Acoustical Imaging; Hua Lee,Glen Wade Book 1990 Springer Science+Business Media New York 1990 Phase.diffraction.history of engineering.ima

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發(fā)表于 2025-3-21 18:45:56 | 只看該作者 |倒序?yàn)g覽 |閱讀模式
期刊全稱Acoustical Imaging
影響因子2023Hua Lee,Glen Wade
視頻videohttp://file.papertrans.cn/145/144017/144017.mp4
學(xué)科分類Acoustical Imaging
圖書封面Titlebook: Acoustical Imaging;  Hua Lee,Glen Wade Book 1990 Springer Science+Business Media New York 1990 Phase.diffraction.history of engineering.ima
影響因子How to produce images with sound has intrigued engineers and scientists for many years. Bats, whales and dolphins can easily get good mental images with acoustical energy, but humans have little natural ability for obtaining such images. The history of engineering and science, however, is an impressive demonstration that technological solutions can compensate, and then some, for deficiencies of nature in humans. Thus with the proper technology, we too can "see" with sound. Many methods involv- ing ultrasonic energy can be employed to enable us to do so. Few of these methods are at all reminiscent of the acoustic systems employed by animals. Pulse-echo, phase-amplitude and amplitude-mapping approaches constitute the conceptual bases for three fundamentally different types of acoustic imaging systems and can be used for categorizing the systems. However, by now systems exist that combine the approaches in such sophisticated ways as to make an unambiguous categorization of some of the more complicated systems difficult or impossible. Among the instruments so far pro- duced are mechanically-scanning focused instruments, chirped pulse-echo instruments, and instruments involving holograp
Pindex Book 1990
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Fr. Schultz,A. G?tte,W. PetersenObject recognition is an important aspect in the development of a robot eye system. The use of television cameras has been investigated, however no particularly effective method has been developed. We are developing a new method based on ultrasonic recognition and report some recent experimental results.
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https://doi.org/10.1007/978-3-322-81961-1able techniques, such as angiography and ultrasound imaging are useful in detecting advanced stages of the disease process (by detecting luminal narrowing caused by atherosclerotic lesions), these techniques have serious limitations in the detection of early atherosclerosis (since encroachment of th
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https://doi.org/10.1007/978-3-322-82800-2rticularly in cancer investigations, is still not fully understood. It is therefore unlikely that its full potential value has yet been achieved. To this end, and to obtain greater insight as to the potential value of quantitative approaches to tissue characterization, we have investigated the ultra
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https://doi.org/10.1007/978-3-322-82800-2y computed tomography, nuclear magnetic resonance imaging and positron emission tomography. Each of them has practical drawbacks, for example, lack of portability and handling, high cost, and ionizing radiation. These factors restrict routine widespread use of these methods. Thus, other methods such
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Aufführen – Aufzeichnen – Anordnen transmission imaging methods, which require an opposing pair of transducers, RTI can be implemented using modified B-mode equipment and a bidirectional scan probe. Contemporaneously, an integrated reflection C-scan (IRCS) image can be generated, representing the focal plane reflectivity. The two im
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