Nghĩa của từ acoustic impedance bằng Tiếng Việt
@acoustic impedance
- (Tech) trở kháng âm thanh, âm trở
@Chuyên ngành kỹ thuật
-âm trở
Đặt câu có từ "acoustic impedance"
1. Audiometer, acoustic impedance meter
2. ZR = acoustic impedance of substrate
3. The tape has an acoustic impedance within 40% of the acoustic impedance of the liquid coupling medium.
4. • by measuring mechanical or acoustic impedance
5. Multilayer acoustic impedance converter for ultrasonic transducers
6. Portable acoustic impedance data acquisition and analysis system
7. N 29/028 . . by measuring mechanical or acoustic impedance
8. N 29/09 . . by measuring mechanical or acoustic impedance
9. The second layer is to provide an acoustic impedance mismatch.
10. Device for fixing an acoustic impedance rupture means to a rod
11. Method and apparatus for acoustic impedance and p-wave anisotropy measurements
12. System and method for measuring the acoustic impedance of a cavity
13. Using higher order harmonics to determine acoustic impedance of material behind borehole casings
14. The present invention provides a method of measuring an acoustic impedance of a respiratory system.
15. Method for measuring the acoustic impedance of a liquid by means of an ultrasonic transducer
16. Thus the bone acoustic impedance Zb serves as a good index in judging the bone density.
17. Therefore, the elastic modulus of the bone and the bone density synergistically contribute to the acoustic impedance.
18. Optimal acoustic impedance materials for polished substrate coating to suppress passband ripple in baw resonators and filters
19. Abbacy cloth and silk, cotton and silk textiles gentility councillor of commerce filozofowanie indicative bezmyślny hoeveelste ono specific acoustic impedance; unit-area acoustic impedance love-affair iridescent cloud kilo nucleon number client state concentrated, compressed floodwater アドレスレンジ fordi incessant guestbook roundup
20. The housing (2) is provided with groove sections (4) with acoustic impedance different from that of the surrounding.
21. Multi-stage pulse tube cryocooler with acoustic impedance constructed to reduce transient cool down time and thermal loss
22. We will choose an adaptation of acoustic impedance type to obtain the largest band-width in the low register.
23. The displacement response and the specific acoustic impedance of the umbo were calculated from the velocity and sound pressure measured.
24. And sound can actually be felt in the water, because the acoustic impedance of tissue and water's about the same.
25. ALIAS scientists confirmed the accuracy of theoretical predictions by comparing them with the acoustic impedance measured in situ for five different designs.
26. Tuned pipes, the end of which is adjusted to the acoustic impedance of the clearance zone, are used as a sound line.
27. The inert material (4) is made of a material having a sound speed ranging from 1000 to 3200 m/sec and an acoustic impedance less than the acoustic impedance of the material of at least the plate (2), the layer of the inert material being fitted against the rigid plate (1).
28. Said metallic layer comprises a layer with a high acoustic impedance Za,1 for which the following holds good: Za,1/ Za,2 = 4,5.
29. It designed acoustic liners that best fit the target impedance by proposing semi-empirical models that link geometrical properties to the acoustic impedance attained.
30. Said layer system (9) comprises a piezoelectric layer (1), electrodes (3) arranged thereon, and a dielectric layer (2) having a relatively low acoustic impedance Za0.
31. Due to the low differences of the acoustic impedance visualisation is confusing in a transparency mode and needs a time consuming postprocessing in a surface mode.
32. A strong correlation was found between the specific acoustic impedance of the umbo and hearing thresholds for hearing-impaired subjects (having otosclerosis or sensorineural hearing losses).
33. A first acoustic compression layer (V1) is arranged between the piezoelectric layer (E1) and the first electrode (E1) with a higher acoustic impedance than the first electrode (E1).
34. When the acoustic reflex is elicited by continuous sinusoidal Stimulation with frequency range between 1,500 and 8,000 cps the changes in the acoustic impedance slops down fast after onset of stimulation.
35. When the acoustic reflex is elicited with continuous sinusoidal stimulation with frequency range between 1500 and 8000 cps, the changes in the acoustic impedance slopes down fast after onset of stimulation.
36. The inventive method enables the acoustic impedance of a liquid to be precisely determined, and to determine the density of the liquid with high precision in conjunction with an ultrasonic transit-time measurement.
37. The various acoustic parameters (intermolecular free-length, adiabatic compressibility, apparent molar compressibility, specific acoustic impedance, apparent molar volume, molar sound velocity, solvation number, available volume and relative association) for yttrium soaps (myristate, palmitate, stearate and oleate) have been evaluated by ultrasonic velocity measurements.
38. A headset cup having a front cavity and a rear cavity separated by a driver, with a mass port tube connected to the rear port to present a reactive acoustic impedance to the rear cavity, in parallel with a resistive port, the total acoustic response of the rear cavity remaining linear at high power levels.