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单词 Holography
例句
1 Using the terminology derived from holography, we can reinterpret these waves as follows.
2 The principle of the optical scanning holography is introduced.
3 Digital holography is an active research topic.
4 And future development of color holography is looked forward.
5 Theory and Technology of Volume Holography.
6 It includes topics such as spatial frequency filtering, holography.
7 Real - time holography requires astronomical amounts of bits.
8 A quite important application of lasers is in holography.
9 Adopting complementary-encoding of light intensity and volume holography, a content-addressable optical holography truth table look-up system based on the NAND operation is structured.
10 This paper presents the acoustical holography method for the identification of moving sound source.
11 The principle of the circular grating optical scanning holography and the experimental results are presented.
12 The current near field acoustic holography techniques are all based on the measurement of the pressure.
13 A kind of rainbow holography with large viewing angle is presented.
14 A new holography optical scanning holography has been proposed, which is a hybrid optoelectrical processing technology.
15 The results demonstrated that near-field acoustic holography and underwater near-field measurement method based on the vector array is applicable and powerful.
16 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...
17 The preparation conditions, practical properties and some problems relating its application of silver halide dry plate of high contrast for holography are described.
18 The study on the holographic reconstruction and prediction of a semi-free field is valuable for the practical applications of the acoustic holography technique.
19 The reconstruction of reflection coefficients using active Near-field Acoustical Holography is based on the theory of wave acoustics.
20 A non-invasive detection method for the status analysis of cell culture is presented based on digital holography technology.
21 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...
22 It can be expected to have practical applications in the fields of true-color display holography, wavelength multiplexing holographic storage, and holographic optical elements.
23 In this report, spatially angular multiplexing technique is introduced, and the its applicability has been proved through a simulation experiment of digital holography with CW laser.
24 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.
25 Unequally spaced sampling is also useful in other forms of imaging system besides acoustical holography.
26 Since the DSBPM is used to realize the nearfield acoustic holography, the calculation speed, the calculation precision, and the calculation stability of the reconstruction and prediction are improved.
27 This paper introduces the common methods in identifying vehicle noise, and gives a introduction of the method of acoustic holography which has been extensively applied now.
28 Sound field separation technique has been proposed, which overcomes the limitation on applications of near_field acoustic holography (NAH).
29 A coating of acrylate resin was prepared for pressing paper - base laser holography in this thesis.
30 Image separation conditions, effects of recording medium resolution . computer-generated holograms, real - time holography.
31 Characteristics of the discrete real-space Green's function and particularities of the discrete algorithm of the planar acoustical holography reconstruction convolution are analyzed.
32 Numerical simulation shows that the method can enhance the resolution of the nearfield acoustic holography image efficiently.
33 Image separation conditions, effects of recording medium resolution . Computer - generated holograms, real - time holography.
34 Digital holography is a mix of optical holography, computer technology and electronic imaging technology.
35 Fresnel Zone Plate ( FZP ) non - movable convolution scanning holography is based on the FZP scanning holography.
36 The experimental system of digital off - axis holography and experimental method to eliminate zero - order image are presented.
37 Commonly used with laser holography , watermarking encoding and decoding technology, etc.
38 This paper presents a new techniques named acoustical holography that can be used for analysis and study of noise.
39 The Fresnel zone plate scanning holography is applied in the imaging through highly scattering media.
40 The numerical reconstruction of digital lensless Fourier transform holography for microstructures measurement is experimentally shown.
41 Different interference fringes can be obtained by using polarization holography.
42 Therefore, there are no problems such as parameters interpolation, singular integration etc. in WSA based acoustic holography, which are inherent to BEM based NAH.
43 Acoustic holography has attained a high lateral resolution but a poor axial resolution.
44 A computer screen has two spatial dimensions; holography and stereophony require an additional spatial dimension.
45 The exterior noise of a truck was analyzed and predicted with the nearfield acoustic holography and the space transformation of sound field.
46 The statistically optimal planar near-field acoustical holography (SOPNAH) was introduced, a simple and effective method was proposed to choose the wave number vector.
47 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.
48 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.
49 A method based on wave superposition approach is proposed for enhancing the spatial resolution of the nearfield acoustic holography.
50 Nowadays there are many methods to observe the magnetic domain structure, including powder-pattern method, magneto-optical effect method and electron holography method, etc.
51 The model is helpful in disclosing the physical nature of achromaticity in rainbow holography, and has its practical significance in the selection of parameters in light-path design.
52 This paper presents a new technique named acoustical holography that can be used for analysis and study of noise.
53 For the microscopy by off-axis lensless Fourier transform holography, Fresnel reconstructing method is better than the convolution method.
54 We report, for the first time, a specially designed set-up of pulsed digital holography for micro- recording of air-ionization process induced by femto-laser.
55 In this thesis, considering the associative characteristics of holography, complementary encode and threshold detection. Wedesign a content addressable memory optical computing set-up.
56 The operation for numerical reconstruction of digital lensless Fourier transform holography is experimentally presented.
57 Based on the basic theory of Acoustic Holography in axis-symmetric sound field, a theoretical model of fast reconstructing reflection coefficients is built in this thesis.
58 In 1948, British scientist Dennis Gabor invented holography and implemented in optics by physical instrument.
59 The principle of WSA based acoustic holography is easier to understand, and it is more amiable to implement on the computer.
60 Holography uses all three dimensions to store data, and the goal has been to stuff a terabit into a space the size of a sugar cube.
61 In this paper, base on the associative characteristics of holography, complementary encode and threshold detection, a content addressable memory optical computing set up was designed.
62 Digital holographic microscopy ( DHM ) is a novel microscopic technology which is based on digital holography principle.
63 However, Digital lensless Fourier transform holography has more outstanding strongpoints and better advantages for shape and deformation measurement of microstructures.
64 The acoustic field separation technique of the statistically optimal cylindrical nearfield acoustic holography has also been developed.
65 Holography - Transmission and reflection holography , recording media, phase - conjugate waves.
66 Acoustic holography is an effective method to analysis noise fields.
67 The mathematical model simulating beamforming acoustical holography has been built.
68 According to the principle of near-field acoustic holography (NAH), the system of data acquisition and analysis needed in holographic experiments have been constructed.
69 Femtosecond spectral holography is a very important technique of femtosecond pulse shaping, which permits storage, recalling and processing of femtosecond pulse signals.
70 Digital holography is a novel optical branch compound of conventional optic holography and computer technology.
71 Two - phase three dimensional flow velocimetry by laser digital holography is being presented.
72 One of the main applications of digital holography is the 3 D visualization of information.
73 This paper presents the acoustical holography method which can be used to identify noise source on a moving vehicle.
74 Organio photochromic material is a new record and display material, and has been used in laser display of holography.
75 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.
76 The acoustic holography technique for sound source identification and position by the method of continuously scanning improves the previous acoustic holography experiment.
77 The pattern produced on photosensitive medium that has been exposed by holography and then photographically developed.
78 This article expounds the checkout of drop sizes in gas-mist flow and its distribution by laser holography and hot-wire methods, and through real examples it shows the two methods are reliable.
79 The distributed source boundary point method(DSBPM) based nearfield acoustic holography(NAH) is used for identifying and localizing noise sources of the roots vacuum pump.
80 The transverse and longitudinal resolution of the CG optical scanning holography system with that of the FZP optical scanning holography system was compared by the digital simulation.
81 The results proved that the acoustical holography is an effective method in identification of noise source on a moving vehicle.
82 Lasers make possible a fascinating form of photography known as holography.
83 Shearographic technique was compared with holography on sensitivity, reliability and efficiency(), etc.
84 We fabricated a large computer-generated holography on a concave lens surface to test the convex secondary mirrors surface.
85 After electronic forming, we'll get one piece of holography nickel shim which records holography images and other information(for example, E-beam or Mole hidden text) in 2D/3D or Dot-master effect.
86 The principle and development for two kinds of hard x-ray holography is presented in this paper.
87 The distributed source boundary point method based nearfield acoustic holography is used for identifying and localizing noise sources of the roots vacuum pump.
88 A new method based on interpolation using orthogonal spherical wave source was proposed to enhance the resolution of the nearfield acoustic holography image without adding measurement points.
89 The measuring method of underwater finite rectangle elastic steel plane's sound reflection coefficient, which is obtained by sound holography, has been studied in the paper.
90 An algorithm of holographic stereogram display that can be implemented using compute generated holography (CGH) and imaging process through capturing sequence parallax images is proposed.
91 From the principle of holography, resolving power and design method of digital image are being discussed.
92 The principle of the optical scanning holography has been elaborated and the result of the numerical simulation is given.
93 Reconstruction algorithms of digital holography are analyzed and experiment results are also given.
94 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.
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