Development of temporal phase analysis techniques in optical measurement

... 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

... 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

... 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

... 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

... or digital, the configurations of the recording system can be categorized into two kinds: in- line and off-axis Applications of in- line system are generally limited due to its interactive influence ... phase extraction methods -temporal analysis techniques 2.6 Temporal phase unwrapping of digital holograms As mentioned in the introduction chapter, digital holographic...

Ngày tải lên: 03/10/2015, 21:55

... Tamuz, G.A Teterc, Strength of composite materials, Riga, “Zinatie”, 1980 Nguyen Dinh Duc, Dinh Khac Minh, Bending analysis of three-phase polymer composite plates reinforced by glass fibers and ... 6282:2008 for testing and manufacturing ship made of composite polymer reinforced by glass fibbers, Transportation Publishing House, Hanoi, 2008 Tran Ich Thinh, Composite mat...

Ngày tải lên: 14/03/2014, 13:20

... present  the results  of an  application  of MCA  to find  out  the most  feasible measures for sustainable development of the brackish water shrimp culture in Quang Tri Province. The application of MCA  ... pond  area  in the province. As shown in Fig. 2, the total area of brackish water shrimp culture has  increased  approximately 4 times, from 251 ha in 2000 to 902.5 ...

Ngày tải lên: 22/03/2014, 12:20

... Tamuz, G.A Teterc, Strength of composite materials, Riga, “Zinatie”, 1980 Nguyen Dinh Duc, Dinh Khac Minh, Bending analysis of three-phase polymer composite plates reinforced by glass fibers and ... code TCVN 6282:2008 for testing and manufacturing ship made of composite polymer reinforced by glass fibbers, Transportation Publishing House, Hanoi, 2008 Tran Ich Thinh, Comp...

Ngày tải lên: 21/07/2014, 16:21

... DEVELOPMENT AND APPLICATIONS OF NOVEL SOLVENT- MINIMIZED TECHNIQUES IN THE DETERMINATION OF CHEMICAL WARFARE AGENTS AND THEIR DEGRADATION PRODUCTS LEE HOI SIM NANCY (M.Sc.), NUS A THESIS ... determination of various chemical warfare agents and their degradation products This approach allows the miniaturization of the extraction proc...

Ngày tải lên: 14/09/2015, 14:08