Development of optical phase evaluation techniques application to fringe projection and digital speckle measurement

... objective of this study is to develop optical phase evaluation techniques for fringe projection and digital speckle measurement, and to overcome existing problems in the area of optical fringe analysis ... developing process Digital speckle method refers to a broad range of speckle metrology techniques including TV holography (Butters and Leender...

Ngày tải lên: 16/09/2015, 08:30

... variation of point B5; (b) wrapped phase value of point B5 and (c) continuous phase profile after unwrapping (point B5) 146 (a) Wrapped phase in spatial coordinate at 0.12s; (b) continuous phase ... value of point A6; (c) continuous phase profile after unwrapping (point A6) 151 Figure 5.46 (a) Wrapped phase in spatial coordinate at 0.092s; (b) continuous phase map obta...

Ngày tải lên: 16/09/2015, 17:14

... DEVELOPMENT OF LIQUID- PHASE MICROEXTRACTION TECHNIQUES COMBINED WITH CHROMATOGRAPHY AND ELECTROPHORESIS FOR APPLICATIONS IN ENVIRONMENTAL ANALYSIS by ZHANG JIE (M.Sc.) A THESIS SUBMITTED FOR ... chromatography LC liquid chromatography LGLME liquid- gas -liquid microextraction LLE liquid liquid extraction LLLE liquid- liquid -liquid microextract...

Ngày tải lên: 14/09/2015, 11:45

... DEVELOPMENT OF NOVEL MICROEXTRACTION METHODS WITH APPLICATION TO ENVIRONMENTAL ANALYSIS BY XIANMIN JIANG A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMISTRY ... the application of these techniques to trace environmental analysis These novel microextraction techniques include the use of a new type of fiber for SPME; a n...

Ngày tải lên: 15/09/2015, 17:09

... types of holographic techniques, such as off-axis digital holography (Schnars and Jüptner, 19 94a, 19 94b, 2002) and phase- shifting digital holography (Creath, 19 85; Yamaguchi and Zhang, 19 97; ... reviewed In the last part, CHAPTER ONE INTRODUCTION different spatial and temporal phase evaluation techniques are reviewed, and a postprocessing with spati...

Ngày tải lên: 11/09/2015, 09:57

... two main types of phase evaluation techniques, i.e., spatial and temporal phase evaluation methods Typical spatial phase evaluation techniques are Fourier transform method, phase scanning approach, ... fringe patterns with phase shift of 0, π , π and 3π , and Fig 2. 21(b) shows a wrapped phase map extracted by using the phase- shifting technique 00 90 0...

Ngày tải lên: 11/09/2015, 09:57

... advantage in using the integration method is that after the phase of each pixel at each instant is determined by Eq (3. 38), phase unwrapping is not required in both temporal and spatial domains This ... phase- shifting error using the proposed algorithms in phase- shifting digital holography 81 CHAPTER THREE DEVELOPMENT OF THEORY 3. 3 Extension of the depth of...

Ngày tải lên: 11/09/2015, 09:57

... holograms in phase- shifting digital holography is shown in Fig 4. 11 A linearly polarized laser beam (the wavelength of 635 nm) is collimated by using a spatial filter and a lens, and is then divided into ... in digital holography, and Fig 4. 10 shows a top view of the specimen and an area of interest (inside the black box) The concrete dimension is discussed...

Ngày tải lên: 11/09/2015, 09:57

... -51 -52 -53 -54 10 20 30 40 Pixel (b) -52 .7 -52 .8 -52 .9 Phase (Rad) -53 -53 .1 -53 .2 -53 .3 -53 .4 -53 .5 -53 .6 -53 .7 10 20 30 40 Pixel (c) Figure 5. 25 Phase variation along section A-A by (a) digital ... in Fig 5. 8(d) 50 100 100 Pixel Pixel 50 150 150 200 200 250 250 50 100 Pixel 150 200 50 100 Pixel 150 200 (b) (a) 50 Pixel 100 150 200 250 50 100 Pixel (c) 150 200...

Ngày tải lên: 11/09/2015, 09:57

... CONCLUSIONS AND FUTURE WORK (4) In the temporal domain, detection and compensation of phase- shifting error in phase- shifting digital holography are also investigated Three novel methods, such ... step of the proposed algorithm plays an important role in the search of the phase- shifting error, and the proposed method can accurately detect the phase- shifting erro...

Ngày tải lên: 11/09/2015, 09:57

... drop -in- drop system The aqueous phase of the outer drop contained the analyte of interest and was continuously delivered and aspirated away throughout the sampling The analytical response of the instrument ... involves the use of hollow fiber combination with liquid- phase microextraction It can be categorized into two- ii phase microextraction, and thr...

Ngày tải lên: 17/09/2015, 17:20

... OF VIETNAM ENERGY DEVELOPMENT SUPPORT JOINT STOCK COMPANY As a young company in the field of import of energy -supported equipment, the Vietnam energy development import support joint stock company ... of import activities of Vietnam energy development support joint stock company in recent years 3.1 The real situation...

Ngày tải lên: 24/07/2013, 09:11

... archaebacteria Candidatus ‘Accumulibacter phosphatis’ Candidatus ‘Accumulibacter phosphatis’ Candidatus ‘Accumulibacter phosphatis’ Candidatus ‘Accumulibacter phosphatis’ Candidatus ‘Accumulibacter phosphatis’ ... Quantitative PCR and FISH method in Activated sludge The amount of Candidatus ‘Accumulibacter phosphatis’ in the la...

Ngày tải lên: 05/09/2013, 09:38

... Recursive analytical performance evaluation of broadcast protocols with silencing: application to VANETs Stefano Busanelli∗ , Gianluigi Ferrari and Roberto Gruppini Department of Information ... performance of the novel probabilistic broadcast protocols is investigated and compared with that of other (known) protocols Finally, Section concludes the...

Ngày tải lên: 20/06/2014, 20:20