1 A concrete ceiling suspended from the roof provides acoustical insulation.

2 This system can set up acoustical resonances.

3 A reverb unIt'simulates the sound of different acoustical areas.

4 The acoustical wave equation is presented a serial spatial and time iterative equations and room acoustics field is simulated using finite difference time domain method.

5 The reconstruction of reflection coefficients using active Near-field Acoustical Holography is based on the theory of wave acoustics.

6 Acoustical power can be adjusted. Twenty goats were divided into control group(HIFU beam through rib cage) and experiment group(Ribs in HIFU beam path were surgically removed).

7 Ecadi propose to have acoustical material under each VAV unit(), O OK.

8 This paper presents the acoustical holography method for the identification of moving sound source.

9 Supervision of acoustical and electrical measurement of transducers & systems.

10 Some pule in the crowd, some puts acoustical cry bitterly, all without exception is a good Party member, good to lose cadre, good comrade and feel distressed.

11 The acoustical design of stereophonic cinema should not only satisfy the best reverberation time T60 but also reach the evaluation standard of ISO2969.

12 The acoustical and communications engineer is concerned with the generation, transmission, and absorption of sound.

13 Using Acoustical Holography, some interesting results are shown about the noise of a vehicle. The results proved Acoustical Holography is an effective method for complex no...

14 An acoustical instrument consisting of a sounding box with one string and musical tones.

15 This paper presents a new techniques named acoustical holography that can be used for analysis and study of noise.

16 Other spots are characterized by their ability to modify or amplify sound, even to the point of acoustical saturation.

17 The pulsed argon laser thus obtained is used as a reconstruction light source for liquid surface acoustical holography, resulting in a greatly improved image qua...

18 Some interesting results are obtained about the noise of a vehicle, which show acoustical holography is an effective method for noise source identification and have obvious advantages in some aspects.

19 This paper discusses the cause of the production of acoustical feedback and the countermeasures to improve sound transmission gain of the sound amplifying system in the multimedia report hall.

20 Unequally spaced sampling is also useful in other forms of imaging system besides acoustical holography.

21 Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2 - 7 : particular requirements.

22 Further,[] the acoustic detector may be operable to produce a signal representing the detected response by the construction material to the acoustical energy.

23 Objective To understand minute anatomy and adjacent relationship of human internal acoustical meatus ( IAM ).

24 A measuring method for two microphone cross spectrum sound intensity suits for the determination of acoustical power of a machine and the identification of sound source on the spot.

25 Characteristics of the discrete real-space Green's function and particularities of the discrete algorithm of the planar acoustical holography reconstruction convolution are analyzed.

26 Vowels have something to do with glottal closure, therefore influencs acoustical measures.

27 The result provides valuable reference for projects including noise control diagnosis acoustical environment design etc.

28 An acoustic detector may be operable to detect a response of the construction material to the acoustical energy.

29 The Organizing Committee is very pleased to invite you to submit a paper for the 14th International Symposium on Acoustical Imaging.

30 The pitch period and the spectral envelope of speech represent acoustical characteristics of the speech signal.

31 In this thesis, two key-techniques of high-resolution imaging sonar are studied: beam-forming and acoustical image processing.

32 When he compared people's ratings with acoustical analysis of the meows, he found very clear patterns.

33 Equipped with electronic intelligence (ELINT), bow-mounted sonar, optical and acoustical surveillance systems, the ship was designed to collect foreign ship intelligence in offshore waters.

34 The statistically optimal planar near-field acoustical holography (SOPNAH) was introduced, a simple and effective method was proposed to choose the wave number vector.

35 Using acoustical holography, some interesting results are shown about the different noises of a high speed vehicle, such as engine noise, tire noise and aerodynamic noise.

36 In this paper, a study on planar near-field acoustical holography scan measurement method and how window function and K-space filter affect holography reconstruction is presented.

37 The mechanism for low noise asphalt pavement to lower tyre noise is analyzed. A acoustical model is put forward. The resonance frequency of sound wave is analyzed with Helmholtz resonator model.

38 This article gives a survey on the current technology of the computer simulation of room acoustics, as known as the construction of virtual acoustical environment.

39 In the acoustical design, it can be used to control the reverberation time, eliminate echo, flutter echo, sound focusing etc.

40 The relation between clay - bearing carbonate rock acoustical and lithological characters was investigated under the air - saturated condition.

41 The acoustical behavior of a motorcycle exhaust muffler was simulated with the boundary element method.

42 Acoustical and lithological parameters of some clay - bearing carbonate cores were measured in the lab.

43 This paper presents a new technique named acoustical holography that can be used for analysis and study of noise.

44 Advanced acoustical signal processing needs high speed digital computation. The array processing becomes the main technique of signal processing.

45 This paper describes briefly the acoustical quality of Jilin gymnasium for ice skating activities, and acoustic measurements of perforated panel of G.

46 The relationship of decoration and acoustical design of on-air studio of radion station is elaborated.

47 Cooperate with R & D engineers, conduct mechanical and acoustical tests under direction of leading engineer.

48 The present status, the principle and application of auralization of room acoustical design are reviewed in this paper.

49 According to air horn design theory, JQF low noise air horn device with partial acoustical enclosure has been designed.

50 The relevance of acoustical principles is by no means limited to sound and hearing.

51 My factory,[] manufacturing and export the sale . 1 acoustical mineral fiber ceiling board.

52 In the paper, based on the require of acoustical environment and acoustics theory, the noise control way to it is introduced after detailed research and analysis, and had gotten ideal performance.

53 The mathematical model simulating beamforming acoustical holography has been built.

54 Total 97.84 % of QRS complexes were identified using the absolute error similarity, while 100% and 95.38% of ectopia waveform and acoustical noise, 98.13% of sinuses and supraventricular QRS complex.

55 A theoretical method to solve acoustical radiation modes and acoustical radiation efficiency of complex structure by a boundary element method and acoustical radiation theory is posed in this paper.

56 This paper presents the acoustical holography method which can be used to identify noise source on a moving vehicle.

57 So, there is a best choice for you to combine acoustical material together with interior decoration.

58 And the acoustical feedback of the secondary source is one of the key problems that affect noise reduction in ducts.

59 The pulsed argon laser thus obtained is used as a reconstruction light source for liquid surface acoustical holography, resulting in a greatly improved image quality.

60 Gregorian chant grew out of the acoustical characteristics of the Gothic cathedrals, and subsequently baroque music was written to accommodate the churches of the time.

61 In this thesis, the study is focused on the characteristics of distributed sound source and its using in the active acoustical structure as the secondary source, including the foll.

62 Parkinson who began research on sound transmission through ducts with acoustical material lining, questions of calculating sound attenuation by the dissipative mufflers have been ta...

63 One of the dissatisfaction of office workers focuses on the acoustical environment.

64 The significant factor, which influences the indoor acoustical environment, is the sound transmission within corridor.

65 The results proved that the acoustical holography is an effective method in identification of noise source on a moving vehicle.

66 Sound absorption materials is always used in controlling reverberation time in the acoustical design of studios.

66 is a sentence dictionary, on which you can find excellent sentences for a large number of words.

67 Research of acoustical environment of classrooms is a current hotspot in architectural acoustics.

68 It also gives an introduction to the malfunction and its debugging when locating the quality index of the acoustical image graphics.

69 Listening to jazz, classical, and roll, R & B, country, or folk is a kind of acoustical travel.

70 Specific acoustical measurements were also carried out on 1:20 scale model of the Siracusa theatre.

71 In view of the actual condition, this paper paid more attention to the cylinder acoustical holography algorithm in half-free space that is more applied.