high resolution tactical synthetic aperture radar tsar

... 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 ... surface The sensor is called a synthetic aperture radar because a synthetic aperture is used to achieve the narrow beamwidth necessary to get a high cross-range resolution In SAR imagery the two ... Issues Introduction A synthetic aperture radar (SAR) is a radar sensor that provides azimuth resolution superior to that achievable with its real beam by synthesizing a long aperture using platform...

Ngày tải lên: 25/12/2013, 06:16

... shown in Figure 2(f) Equations of Motion of a Moving Target High resolution Synthetic Aperture Radar (SAR) processing requires that a highly accurate imaging geometry model be first established ... and G O Hall, “A high resolution radar combat-surveillance system,” IRE Transactions on Military Electronics, vol 6, pp 119–133, 1961 [8] R K Raney, Synthetic aperture imaging radar and moving ... Suchandt, and R Bamler, “Detection and velocity estimation of moving vehicles in high- resolution spaceborne synthetic aperture radar data,” in Proceedings of the IEEE Computer Society Conference on Computer...

Ngày tải lên: 21/06/2014, 19:20

... between 2001 and 2006 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 John Homer received ... 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 is ... and identification Radar signatures are often used for target classification and/or identification The need for classifying a target has led to the development of high- resolution radar ISAR images...

Ngày tải lên: 22/06/2014, 23:20

... cross-range resolution was still not suitable for high- resolution imaging and synthetic imaging methods were later developed and are able to overcome these problems 1.1.3 Synthetic Aperture Radar Synthetic ... a high spatial resolution image, one may require impractical radar configurations Furthermore, the cross-range resolution degrades as range increases[9] Side Looking Aperture Radar The first high ... results in an image with higher resolution The most commonly used synthetic imaging technique is in Synthetic Aperture Radar( SAR) SAR is fundamentally different from SLAR The radar is mounted on a...

Ngày tải lên: 30/09/2015, 05:45

... Contents List of Figures List of Tables 12 Introduction 13 Introduction to synthetic aperture radar (SAR) 17 2.1 Synthetic aperture radar (SAR) 17 2.2 ALOS PALSAR system ... a remote radar imaging system 17 INTRODUCTION TO SYNTHETIC APERTURE RADAR (SAR) in a spaceborne situation, the spacial resolution has the following relationship with the size of the aperture ... has the highest resolution but least polarimetry information, and quad has the lowest resolution but contains all the four polarimetries In this 21 INTRODUCTION TO SYNTHETIC APERTURE RADAR (SAR)...

Ngày tải lên: 13/10/2015, 15:55

... Measured high- resolution range profile (HRRP) radar data set The data used to further evaluate the classification performance are measured from a C band radar with bandwidth of 400 MHz The radar high ... [1] B Chen, H Liu, and Z Bao, “PCA and kernel PCA for radar high range resolution profiles recognition,” in Proceedings of IEEE International Radar Conference, pp 528–533, Arlington, Va, USA, May ... method for high range resolution profile recognition,” in Proceedings of IEEE International Radar Conference, pp 1440– 1443, Shanghai, China, October 2006 [3] L Du, H Liu, Z Bao, and M Xing, “Radar...

Ngày tải lên: 22/06/2014, 20:20

... type of simulations have been devoted to a high- resolution radar application The goal is to find the most accurate estimate of the range profile of a radar target using its complex signature in ... and classification of radar target images by superresolution methods [13, 14] REFERENCES [1] G Bienvenu and L Kopp, “Adaptivity to background noise spatial coherence for high resolution passive ... important in superresolution radar imagery applications, where underestimation has to be always avoided because it leads to lost scattering centers in the reconstructed image of the radar target It...

Ngày tải lên: 23/06/2014, 01:20

... therapeutic decisions High resolution flow cytometry is an appropriate tool not restricted to the monitoring of the therapeutic effect DNA aneuploidy, as determined with high- resolution flow cytometry, ... cells It turned out that high- resolution flow cytometric measurements are suitable for monitoring the therapeutic success at the cellular level The achievement of relevant high local concentrations ... probes the cells were isolated with 2.1% citric acid/ 0.5% Tween 20 according to the method for high resolution DNA and cell cycle analyses [28] at room temperature with slightly shaking Phosphate...

Ngày tải lên: 26/10/2012, 09:48

... three-residue-averaging window along the chain The top diagram K268A refers to the reported high resolution structure with labels at nine high mobility peaks (see Figs and 4) Distribution WT is an average of the ... the triple surface mutant CysM(RKE) that diffracted ˚ to 2.1 A resolution, but was completely twinned, decreasing the effective resolution [I41, four subunits per asymmetric unit; reservoir: ... per asymmetric unit and a lower solvent content, both of which are typical prerequisites for high resolution X-ray diffraction (Table 1) Although crystal forms I and III were grown from the same...

Ngày tải lên: 07/03/2014, 05:20

... aggregation if the metal concentration is high enough, i.e > : metal ⁄ peptide ratio [19–21] The formed aggregate is suggested to be amorphous, and thus high concentrations of copper and zinc prevent ... protons are not affected by an exchange process and show a suitable signal dispersion, which allows high- resolution characterization Therefore, the combination of these two sets of data (1H–15N and ... metal-binding effects [20,27] on Ab aggregation at low and high metal ion concentrations may now be understood in the following terms Metal ions at high concentrations saturate the binding site(s) of...

Ngày tải lên: 23/03/2014, 10:20

... decreases the spectral resolution Consequently, one has to make a trade-off between the spectral resolution desired and the reduction of the side lobes In any case, the spectral resolution, in Hz, ... observation interval is characterized by 12 samples and Dt Å 0.25 ms Better performance and higher spectral resolution are observed for the TFBMPM FIG 24 rmse of the first estimate, fO , for a signal ... increases the variance On the other hand, the use of the Rectangular window makes a FTE biased even for high SNR In Fig 21 the behavior of the estimator as the number of samples increases is shown The...

Ngày tải lên: 26/03/2014, 00:29

... both structures, and the high resolution of the oxidized form allows confirmation of the protonation Results The crystal structure of baNrdI has been solved to ˚ 0.96 A resolution with the FMN ... Figures in parentheses refer to the highest resolution bin Oxidized a = 42.80, b = 45.62, c = 56.33 ˚ Unit cell dimensions (A) Data collection ˚ X-ray wavelength (A) ˚ Resolution range (A) Completeness ... in mycobacteria, the loop is up to 15 residues longer, containing a high proportion of Pro and Gly (Fig S1) The role of this highly variable length in a critical area of the structure is not clear...

Ngày tải lên: 29/03/2014, 21:20

... (Figure 9) The DTR observations were interpolated to provide synthetic estimates of cloud, and the final cloud grids were interpolated from the synthetic and direct observations Thus, large areas of ... 100(17): 9997–10 001 Mitchell TD, Carter TR, Jones PD, Hulme M, New M 2004 A comprehensive set of high- resolution grids of monthly climate for Europe and the globe: the observed record (1901–2000) ... neighbours Each reference series was built from neighbours where the first-difference series were highly correlated (at least 0.4) For precipitation the first-ratio series was used, any months without...

Ngày tải lên: 30/03/2014, 13:20

... contributions appear in two volumes: Volume 270, High Resolution Separation of Biological Macromolecules, Part A: Fundamentals and Volume 271, High Resolution Separation of Biological Macromolecules, ... automation, greater speed of analysis, or higher separation efficiency In the electrophoresis section, recent work with slab gels which focuses on high resolution analysis is covered Many applications ... enzymatically derived mixtures of peptides and also for the analysis of synthetically derived peptides An example of the high- resolution analysis of a tryptic digest of bovine growth hormone is shown...

Ngày tải lên: 11/04/2014, 09:46

... contributions appear in two volumes: Volume 270, High Resolution Separation of Biological Macromolecules, Part A: Fundamentals and Volume 271, High Resolution Separation of Biological Macromolecules, ... automation, greater speed of analysis, or higher separation efficiency In the electrophoresis section, recent work with slab gels which focuses on high resolution analysis is covered Many applications ... peptide, a synthetic analog of a lipoprotein fragment ~°~' In addition, HIC may also give better resolution for peptides large enough to possess secondary or tertiary structure, e.g., synthetic...

Ngày tải lên: 11/04/2014, 09:46

... chuyển động hạt mang điện hay ion điện trường từ trường định Khối Phổ Phân Giải Cao HRMS (High Resolution Mass Spectrometry) nghiên cứu phản ứng xúc tác không đồng Một thách thức phải đối ... dựa chuyển động hạt mang điện hay ion điện trường từ trường định Khối Phổ Phân Giải Cao HRMS (High Resolution Mass Spectrometry) nghiên cứu phản ứng xúc tác không đồng Một thách thức phải đối ... (7):1674–9 He F, Hendrickson CL, Marshall AG (February 2001) "Baseline mass resolution of peptide isobars: a record for molecular mass resolution" Anal Chem 73 (3): 647–50.doi:10.1021/ac000973h PMID 11217775...

Ngày tải lên: 02/05/2014, 23:47

... photoresist relative to the fixed exposing source, i.e., the bowtie apertures Since the effective working distance of bowtie apertures is only tens Experimental setup The experimental setup of ... bowtie apertures, which not only prevents too much pressure and friction caused by contact, but also ensures that the photoresist surface locates within the sub-50 nm nearfield of the bowtie apertures ... than the overall dimension of the bowtie aperture, but is corresponding to the gap size between the two tips, illustrating light confinement by the bowtie apertures By further adjusting the laser...

Ngày tải lên: 06/05/2014, 08:54

... considered the resolution of the focus ion beam (FIB) milling technique, which is about 30 nm A thin aluminum film is selected as the bowtie aperture material because of its small skin depth and high reflectivity ... simulation results show that the bowtie aperture was able to achieve a sub-50 nm near field light spot with a peak field intensity as high as 39.8 times higher than the incident light at 800 nm ... plate is used to orient the polarization across the bowtie aperture gap, as required for achieving high transmission through the ridge aperture A home-built NSOM head is used with height control...

Ngày tải lên: 06/05/2014, 08:57

... photoresist relative to the fixed exposing source, i.e., the bowtie apertures Since the effective working distance of bowtie apertures is only tens Experimental setup The experimental setup of ... bowtie apertures, which not only prevents too much pressure and friction caused by contact, but also ensures that the photoresist surface locates within the sub-50 nm nearfield of the bowtie apertures ... than the overall dimension of the bowtie aperture, but is corresponding to the gap size between the two tips, illustrating light confinement by the bowtie apertures By further adjusting the laser...

Ngày tải lên: 06/05/2014, 08:58

... running time of the algorithm on high resolution real life images We formulated an image corpus consisting of 15 high quality images that were segmented in five different resolutions, using the parameter ... linear Table Naming convention and resolution data of the images used for the timing and scaling measurements Name of extended graphics array Abbreviation Resolution Resolution in megapixels (MP) ... accelerate the segmentation speed of the mean shift algorithm with a major focus on its performance on high resolution images The acceleration strategies used are summarized below: Reduce the computational...

Ngày tải lên: 20/06/2014, 22:20