6 coherent optical processing of synthetic aperture radar data

... 2011, 2011 :67 http://asp.eurasipjournals.com/content/2011/1 /67 Page 11 of 14 A) B) C) D) Figure Processing of a portion of data of the radar shown in Figure 4A, placed close to the centre of Turin ... on Advances in Signal Processing 2011, 2011 :67 http://asp.eurasipjournals.com/content/2011/1 /67 Page of 14 A) B) C) D) Figure (A) Picture of the X-band radar on the roof of Politecnico, in Turin ... the values of the parameters decrease giving more importance to the fitting of data The fit of the model to the data was measured by the RMS error of the model with respect to the data normalized...

Ngày tải lên: 20/06/2014, 22:20

... acquired RADARSAT-2 MODEX-1 and MODEX-2 data and the results are presented in Section 6, followed by concluding remarks in Section 1.2 Background Work The history of synthetic aperture radar dates ... channels have now correlations over 0. 96, as shown in Figure 2(f) Equations of Motion of a Moving Target High resolution Synthetic Aperture Radar (SAR) processing requires that a highly accurate ... respectively That is, evaluating at the maxima of the “sinc” functions in (63 ) and (66 ) yields k u1 = 2πab up = (66 ) (68 b) Equation (68 c) seems to indicate that ψ1p is sensitive to both the across-track...

Ngày tải lên: 21/06/2014, 19:20

... Applications International Corporation 33.1 Side-Looking Airborne Radar (SLAR) • Unfocused Synthetic Aperture Radar • Focused Synthetic Aperture Radar 33.3 SAR Image Enhancement 33.4 Automatic Object Detection ... 33.2.2 Unfocused Synthetic Aperture Radar Figure 33.1 provides a good geometric description of SAR As with SLAR, the radar platform moves along a straight line collecting radar data from the surface ... size of the real aperture just as with the synthetic antenna interpretation (δcr = La /2) In a modern SAR system, typically both pulse compression (synthetic range processing) and a synthetic aperture...

Ngày tải lên: 25/12/2013, 06:16

... a Visiting Researcher between 2001 and 20 06 His research interests are in the field of synthetic aperture radar (SAR) and inverse synthetic aperture radar (ISAR) He is an IEEE Member since 1999 ... the fields of synthetic aperture radar (SAR and ISAR), HF-OTH skywave and surface wave radar, target classification by wideband polarimetric radar data, hybrid waveform design for HRRP radar He ... Department of Information Engineering of the University of Pisa He joined the Department of Electrical and Electronic Engineering (EEE) of the University of Melbourne during his Ph.D., the Department of...

Ngày tải lên: 22/06/2014, 23:20

... 30 13 .6 11.1 − 5 .6 45.3 235 41.5 39.8 − 5.0 45.9 100 32.1 23 .6 − 6. 4 46. 0 75 25.2 19.8 − 4.9 49.5 50 14.2 13.4 − 4.5 50.3 30 11.5 11.7 − 2.5 53.1 30 11.9 10.5 + 2.2 57.4 30 12 .6 11.8 + 7.7 63 .1 ... 40 Tim e (n 60 s) 80 e ( m) istanc ntal d o Horiz (f) 3D representation of CPM processing Figure 7: 2D and 3D representations of IFFT, MUSIC, and CPM processing of field experiment data with bandwidth ... frequency-domain data having real and imaginary information This frequency-domain spectrum of radar data, shown in Figure 3a, undergoes IFFT processing In the mean time, the same radar signal undergoes...

Ngày tải lên: 23/06/2014, 01:20

... method 160 6. 5 Variance of range profile using conventional method 161 6. 6 Variance of range profile using the proposed method 162 xii 6. 7 Positions of flash signals in the slow ... the limit of the conventional line -of- sight(LOS) radars [60 ] [61 ] It can track aircraft more than 3000 km away and over millions of square kilometers of open ocean [62 ] Various signal processing ... image of the target 158 6. 3 Range profile after alignment using conventional method 159 6. 4 Range profile after alignment using the proposed method 160 6. 5 Variance...

Ngày tải lên: 30/09/2015, 05:45

... 5.1 Comparison of software: Functions 66 5.2 Comparison of software: Usability 66 5.3 The workflow of ROIPAC data processing 69 6. 1 Data sets over ... support in software purchasing and data ordering Contents List of Figures List of Tables 12 Introduction 13 Introduction to synthetic aperture radar (SAR) 17 2.1 Synthetic aperture radar (SAR) ... code and software review 64 5.1 Comparison of data starting time estimation 67 5.2 Comparison of the baseline estimation 68 5.3 Comparison of flattening ...

Ngày tải lên: 13/10/2015, 15:55

... directly Similar to (6. 4.5) and (6. 4 .6) , it is a direct implementation of a pair of I/O equations: w…n† ˆ x…n† À M ˆ mˆ1 am w…n À m† 6: 4:9† 266 DESIGN AND IMPLEMENTATION OF IIR FILTERS x(n) b0 ... steady-state response From (6. 6.15), the I/O difference equation of resonator is given by y…n† ˆ Ax…n† À a1 y…n À 1† À a2 y…n À 2†, 6: 6:21† a1 ˆ À2rp cos !0 6: 6:22a† a2 ˆ r : p 6: 6:22b† where and A ... filter defined by equation (6. 4.1) The denominator can be factored as ‡ a1 zÀ1 ‡ a2 zÀ2 ˆ …1 À p1 zÀ1 †…1 À p2 zÀ1 †, 6: 6:5† a1 ˆ À…p1 ‡ p2 † 6: 6 :6 a2 ˆ p1 p2 : 6: 6:7† where and The poles must...

Ngày tải lên: 28/10/2013, 05:15

... 62 2.1.1 Subjects 62 2.1.2 Stimuli 63 2.1.3 Experimental procedure 64 2.1.4 Behavioural data analysis .65 2.1.5 EEG recording 65 2.1 .6 ... 65 2.1 .6 EEG data pre -processing 65 2.1.7 EEG data analysis 66 2.1.8 Unique variance analysis 67 2.1.9 Categorical interaction analysis .67 2.1.10 Cross-session ... EEG data acquisition and pre -processing 111 4.1 .6 EEG data analysis 111 4.2 Results 112 4.2.1 Effect of pinholes on ERP processing speed 113 4.2.2 Matching of...

Ngày tải lên: 22/12/2014, 20:09

... LITERATURE REVIEW OF COHERENT OPTICAL OFDM SYSTEM mode dispersion (PMD) Another advantage of OFDM is known as ease of signal processing with the efficient algorithm of FFT/IFFT Typical CO-OFDM channel ... Review of Coherent Optical OFDM System 2.1 Introduction In this chapter, an overview of the coherent optical orthogonal frequency-division multiplexing (OFDM) system is presented, including the OFDM ... 1 36 6.3 BER performance of (204,102) LDPC coded DBPSK OFDM signal over noncoherent AWGN channel with phase noise σ = · 10−4 1 36 6.4 BER performance of (204,102)...

Ngày tải lên: 09/09/2015, 11:06

... coherent receiver In this chapter, a brief review of the development of coherent optical communication is given, followed by the motivation and outline of this thesis 1.1 Review of Coherent Optical ... for 56- Gbit/s 16QAM signals with LLW=500kHz 62 3.10 BER performance comparison of MLSD and DA ML PE for 56- Gbit/s 16QAM signals with LLW=1MHz 63 3.11 Block diagram of a long-haul ... xv LIST OF TABLES xvi List of Figures 1.1 Photo of our testbed for 100G experiments 11 2.1 Block diagram of coherent optical communication system 16 2.2 The transfer curves of an...

Ngày tải lên: 12/09/2015, 09:28

... 78% 62 .9% |63 .6% 65 % 62 .5% Table 4.2: Fiber coupling efficiency For Fiber 3, 62 .9% and 63 .6% correspond to low field and high field(Feshbach coil) imaging, respectively 35 Chapter Laser System 36 Red ... 5.3 Red MOT of Li 39 6. 1 Energy level scheme on UV transition of Li 41 6. 2 The locking loop of the UV laser 42 6. 3 UV Spectroscopy ... fluorescence of the MOT provides the information of lifetime, atom number and size of the MOT In good vacuum conditions, the lifetime of MOT is on the order of 1s The temperature of the MOT can...

Ngày tải lên: 02/10/2015, 17:14

... Bronchiectasis (n) Hydatid cyst (n) Metastasis (n) Flurbiprofen group 55.3 13/7 65 .6 9/11 150 266 Control group 50.4 12/8 64 .6 6/14 1 56 249 Figure Postoperative pain scores as assessed by Visual ... release of mediators of inflammation (6) The aims of this study were to evaluate the serum levels of acute phase reactants, such as C-reactive protein (CRP), and cytokines (interleukin -6 (IL -6) and ... and 6. 8±1.9 days in flurbiprofen group There were no significant differences between the both groups (p=0.077) Mean postoperative (%) FEV was 49.7±7.2 in control group and 55 .6 6. 7 in flurbiprofen...

Ngày tải lên: 25/10/2012, 11:10

... Ms Phuong is in charge for class 6A and 6B, Ms Lan is in charge for class 6C and 6D 3.4 Data analysis This part of the thesis is the treatment of all the data collected from the IQ test, the survey ... school in remote mountainous areas 3.4.2 Data analysis of the class observation The researcher observed two classes (Class 6A of Ms Phuong’s and Class 6C of Ms Lan’s) with the same lesson The most ... are 32 students get Average result (64 %) and 18 out of them get Bad result ( 36% ), none of them get Excellent or Good grade as well as Too bad one Basing on the data, one can see that the English...

Ngày tải lên: 07/11/2012, 15:04

... nguyên khoảng 16 Block 4x4 Bitmap 32x32 Bitmap 8x8 Từ ta có liệu để sử dụng cho Weka, với 64 attribute ( đặt tên từ đến 64 ) Số lượng mẫu liệu :  Trainning : 3823 mẫu với 0: 3 76 1: 389 2: 380 ... Trainning : 3823 mẫu với 0: 3 76 1: 389 2: 380  3: 389 4: 387 5: 3 76 6: 377 7: 387 8: 380 9: 382 Test : 1797 mẫu với 0: 1: 2: 3: 4: 5: 6: 7: 8: 9: II 178 182 177 183 181 182 181 179 174 180 Mô tả toán ... tiêu chí xem tốt để đánh hiệu của phân tích phân cụm, điều phụ thuộc vào mục đích phân cụm như: data reduction, “natural clusters”, “useful” clusters, outlier detection - Kỹ thuật phân cụm áp...

Ngày tải lên: 13/12/2013, 12:20

... Systems, AES- 26, 768 –773, Sept 1990 [28] Wang, H., Zhang, Y and Zhang, Q., A view of current status of space-time processing algorithm research, Proc IEEE 1995 Intl Radar Conf., 63 5 64 0, Alexandria, ... Arbor, MI, May 13- 16, 19 96 [4] Fenner, D.K and Hoover, Jr., W.F., Test results of a space-time adaptive processing system for airborne early warning radar, Proc IEEE 19 96 National Radar Conference, ... Brown, R.D., Assessment of multichannel airborne radar measurements for analysis and design of space-time processing architectures and algorithms, Proc IEEE 19 96 National Radar Conference, 130–135,...

Ngày tải lên: 16/12/2013, 04:15

... feature Figure 6- 6 Hole patterned on the base feature Figure 6- 7 Hole on the base feature Figure 6- 8 Rotational pattern of hole feature As evident from Figures 6- 6 and Figure 6- 8, all the instances ... depth of c The second feature is a round of radius on the top portion of the base feature, see Figure 6- 36 d The third feature is also a round feature of radius 10 on the bottom portion of the ... Construction of Parts-II Technologies, USA For © CADCIM Technologies, USA For online training, contact sales@cadcim.com 6- 36 Pro/ENGINEER for Designers Figure 6- 61 Solid model for Exercise Figure 6- 62...

Ngày tải lên: 03/01/2014, 23:57

... The Data Model What is a data model? In an abstract sense, it’s an attempt to define the organization of data and the relationship between the organized data components In Core Data, the data ... any data themselves The instances of data are called managed objects Every instance of an entity that you work with in Core Data will be an instance of the class NSManagedObject or a subclass of ... CHAPTER 2: Core Data: What, Why, and How A Brief History of Core Data Core Data has been around for quite some time, but it became available on iOS with the release of iPhone SDK 3.0 Core Data was originally...

Ngày tải lên: 20/02/2014, 02:20