| Presentation | 2013-01-24 Application of pulse compression technique to parametric difference frequency sound Hideyuki NOMURA, Hideo ADACHI, Tomoo KAMAKURA, Gregory T. CLEMENT, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Parametric difference frequency sound can propagate for long distance, because the energy dissipation of sound in a medium at low frequency is less than those of usual ultrasounds at higher frequency for measurements and medical imaging. However, for applications of difference frequency sound on measurements and imaging, that has the disadvantage of low spatial resolution because of low frequency. In this report, we experimentally demonstrated the generation of parametric difference frequency sound with chirp signal in water, and discussed the application of pulse compression technique to the difference frequency sound to solve the problem of low spatial resolution. The result indicated the realization of pulse compressed parametric difference frequency sound, although the bandwidth of receiving or transmitting transducers restricted the compressed pulse width. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Nonlinear sound propagation / Parametric difference frequency sound / Chirp signal / Pulse compression |
| Paper # | US2012-98,EA2012-129 |
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| Conference Information | |
| Committee | EA |
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| Conference Date | 2013/1/17(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Vice Chair | |
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| Paper Information | |
| Registration To | Engineering Acoustics (EA) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Application of pulse compression technique to parametric difference frequency sound |
| Sub Title (in English) | |
| Keyword(1) | Nonlinear sound propagation |
| Keyword(2) | Parametric difference frequency sound |
| Keyword(3) | Chirp signal |
| Keyword(4) | Pulse compression |
| 1st Author's Name | Hideyuki NOMURA |
| 1st Author's Affiliation | The University of Electro-Communications() |
| 2nd Author's Name | Hideo ADACHI |
| 2nd Author's Affiliation | The University of Electro-Communications |
| 3rd Author's Name | Tomoo KAMAKURA |
| 3rd Author's Affiliation | The University of Electro-Communications |
| 4th Author's Name | Gregory T. CLEMENT |
| 4th Author's Affiliation | Harvard Medical School |
| Date | 2013-01-24 |
| Paper # | US2012-98,EA2012-129 |
| Volume (vol) | vol.112 |
| Number (no) | 388 |
| Page | pp.pp.- |
| #Pages | 4 |
| Date of Issue | |