SU629491A1 - Method of checking ultrasonic delay line sound guide circulation of wave elastic surface - Google Patents
Method of checking ultrasonic delay line sound guide circulation of wave elastic surfaceInfo
- Publication number
- SU629491A1 SU629491A1 SU731973810A SU1973810A SU629491A1 SU 629491 A1 SU629491 A1 SU 629491A1 SU 731973810 A SU731973810 A SU 731973810A SU 1973810 A SU1973810 A SU 1973810A SU 629491 A1 SU629491 A1 SU 629491A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- sound guide
- delay line
- elastic surface
- ultrasonic delay
- line sound
- Prior art date
Links
Landscapes
- Transducers For Ultrasonic Waves (AREA)
Description
(показано стрелками) с фронтами, параллельными излучающим элементам входного электроакустического преобразовател 2..Упругие поверхностные волны 4 и 5 огибают торцовые поверхности звукопровода 1 и распростран ютс по нижней ее поверхности, после чего вновь приход т на верхнюю поверхность звукопровода 1 в виде волн 6 и 7.(shown by arrows) with fronts parallel to the radiating elements of the input electroacoustic transducer 2. Elastic surface waves 4 and 5 envelop the end surfaces of the duct 1 and propagate along its lower surface, after which they come back to the upper surface of the duct 1 in the form of waves 6 and 7
При наличии отклонени геометрических размеров звукопровода 1 от заданной формы фронты пр мой 4 и обратной 5 поверхностных волн после первого цикла распространени измен ют свое положение относительно изл 1ающих элементов входного электроакустического преобразовател 2, т.е. нарушаетс их параллельность.If there are deviations of the geometrical dimensions of the sound guide 1 from a given shape, the fronts of the direct 4 and reverse 5 surface waves after the first propagation cycle change their position relative to the reflecting elements of the input electroacoustic transducer 2, i.e. their parallelism is broken.
Выходной электроакустический преобразователь 3 преобразует волны б и 7 с разной эффективностью. Это различие зависит от значени угла с и степени отклонени геометрических размеров звукопровода 1 от расчетной формы. Наибольша разница в эффективности преобразовани этих волн возникает при параллельном расположении элементов выходного электроакустического преобразовател 3 и фронта волны 6 (или 7).The output electroacoustic transducer 3 converts the waves b and 7 with different efficiency. This difference depends on the angle c and the degree of deviation of the geometric dimensions of the sound guide 1 from the design shape. The greatest difference in the conversion efficiency of these waves arises when the elements of the output electroacoustic transducer 3 and wavefront 6 (or 7) are arranged in parallel.
Разность амплитуд электрических сигналов на выходном электроакустическом преобразователе 3 фиксируют известными методами, и по величине этой разности суд т о степени отклонени геометрических размеров звукопровода 1 от заданной формы.The difference in the amplitudes of the electrical signals at the output electroacoustic transducer 3 is recorded by known methods, and the extent of this difference determines the degree of deviation of the geometric dimensions of the sound duct 1 from a given shape.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU731973810A SU629491A1 (en) | 1973-11-30 | 1973-11-30 | Method of checking ultrasonic delay line sound guide circulation of wave elastic surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU731973810A SU629491A1 (en) | 1973-11-30 | 1973-11-30 | Method of checking ultrasonic delay line sound guide circulation of wave elastic surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU629491A1 true SU629491A1 (en) | 1978-10-25 |
Family
ID=20568709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU731973810A SU629491A1 (en) | 1973-11-30 | 1973-11-30 | Method of checking ultrasonic delay line sound guide circulation of wave elastic surface |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU629491A1 (en) |
-
1973
- 1973-11-30 SU SU731973810A patent/SU629491A1/en active
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