SU813302A1 - Ultrasonic surface wave spectrum analyzer - Google Patents
Ultrasonic surface wave spectrum analyzer Download PDFInfo
- Publication number
- SU813302A1 SU813302A1 SU782618263A SU2618263A SU813302A1 SU 813302 A1 SU813302 A1 SU 813302A1 SU 782618263 A SU782618263 A SU 782618263A SU 2618263 A SU2618263 A SU 2618263A SU 813302 A1 SU813302 A1 SU 813302A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- ultrasonic surface
- spectrum analyzer
- wave spectrum
- surface wave
- sound
- Prior art date
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
вателей. Так как входные преобразователи имеют конечныэ размеры, то по величине дифракционные максимумы первого пор дка меньше дифракционного максимума нулевого пор дка. Входные преобразователи расположены перпендикул рно оси с Лйлетрии решетки входных преобразователей 3/ и дифракционный максимум nepBorip пор дка, например левый, по величине становитс наибольшим, в зависимости от частот сигнала на входных преобразовател х ультразвукова поверхностна волна концентрируетс на различные выходные преобразователи 3, на которых получаем амплитудный спектр входного сйгнала ; Ультразвукова волна , распростран кхда с по направлению нулевого и другого первого пор дка дифракционных максимумов, поглощаетс звукопоглощающим покрытием 4.the holders. Since the input transducers have finite dimensions, the first-order diffraction maxima are smaller than the zero-order diffraction maximum. The input transducers are located perpendicular to the axis of the lattice of the input transducer 3 / and the diffraction maximum nepBorip is of the order, e.g. amplitude spectrum of the input signal; An ultrasonic wave, propagating with a zero and another first-order diffraction maxima, is absorbed by the sound-absorbing coating 4.
В предлагаемом устройстве расположение входных преобразователей по дуге окружности позвол ет приблизить Дсшьнюю зону решетки входных преобразователей , сфокусировав ее на выходные преобразователи 3, что значительно уменьшило габариты.In the proposed device, the location of the input transducers along a circular arc makes it possible to bring closer to the lattice area of the input transducers, focusing it on the output transducers 3, which significantly reduces the size.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU782618263A SU813302A1 (en) | 1978-05-19 | 1978-05-19 | Ultrasonic surface wave spectrum analyzer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU782618263A SU813302A1 (en) | 1978-05-19 | 1978-05-19 | Ultrasonic surface wave spectrum analyzer |
Publications (1)
Publication Number | Publication Date |
---|---|
SU813302A1 true SU813302A1 (en) | 1981-03-15 |
Family
ID=20765723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU782618263A SU813302A1 (en) | 1978-05-19 | 1978-05-19 | Ultrasonic surface wave spectrum analyzer |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU813302A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4620167A (en) * | 1985-05-09 | 1986-10-28 | Trw Inc. | Surface acoustic wave systems and methods |
-
1978
- 1978-05-19 SU SU782618263A patent/SU813302A1/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4620167A (en) * | 1985-05-09 | 1986-10-28 | Trw Inc. | Surface acoustic wave systems and methods |
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