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单词 SAR
例句
1, The primary purpose of the SARs is to restrict the swift build-up of substantial stakes in a target company by dawn raids.
2, High-resolution airborne SAR/GMTI radar receiver subsystem is introduced in detail in this paper.
3, There is a growing interest in the frequency modulated continuous wave(FMCW) synthetic aperture radar(SAR) for its advantages such as small cubage, light weight, low cost and high resolution.
4, The effect of quantification noise, saturation noise and bit error noise of synthetic aperture radar(SAR)raw data on the signal to noise ratio of distributed targets is analyzed.
5, To preserve the polarimetric properties of polarimetric SAR image, each element of the covariance matrix should be filtered independently in the same homogenous area.
6, Polarimetric SAR interferometry is the technique that integrated the radar polarimetry and radar interferometry.
7, Synthetic Aperture Radar (SAR) gains a high-resolution radar image by compressing the Doppler echo in azimuth direction and the linear frequency modulation (LFM) signal in range direction.
8, RCS reconstruction filter of high resolution SAR image based on a modified correlated neighborhood model is presented in this paper.
9, Speckle in SAR images will disturb classification accuracy. Vector filter of speckle is used to dual-frequency images before classification.
10, The paper presents an algorithm of automatic SAR image segmentation based on minimum error ratio.
11, The SAR of two - human body is related with the polarization of incident wave.
12, In this paper, a full polarimetry SAR ATR algorithm based on polarimetry similarity is proposed and validated by the simulated SAR data.
13, ATM NIC can cover the functions of physical layer, ATM layer and SAR (Segmentation and Reassembly sublayer).
14, Algorithm of target classification based on polarization synthesis is proposed, when it is acted as input value of classifier. Then, polarimetric SAR data is applied to classification experiment.
15, Another is that displacement errors gotten by Range tracker is not actual motion errors of SAR platform,(http:///SAR.html) but the "modulated" errors in LOS induced by wide azimuthal angle.
16, In this thesis, two methods of active deception jamming to SAR, false target jamming and rebound jamming, are mainly studied.
17, Based on blind deconvolution using minimum entropy criteria, the method, which starts right with complex phase degraded SAR images, carries out phase errors correction via multidimensional search.
18, Third, the initial segmentation is refined scale by scale to get the final segmentation of the SAR image based on the posterior probability of classification which is estimated by the mixture model.
19, Considering the information redundancy and complementary in the two compensation methods, we use data fusion method in airborne UWB SAR motion compensation.
20, Inflight measurement of antenna pattern is a key technology of spaceborne SAR calibration.
21, The voltage detector includes several sub-systems such as a multi-path selector, a buffer amplifier, a comparator, a 12-bit SAR ADC, a shift register and a status bar.
22, This site provides information of staff, research areas, education and outreach, software introduce, experiments and projects, radar altimetry knowledge, SAR ocean imagery, and related links.
23, Basing on the concept of Euclid distance space, this paper introduces an evaluation technique of barrage jamming effect on SAR.
24, The oppressive jamming that includes direct-wave jamming and indirect wave jamming is an important countermeasure against space-borne SAR.
25, Tomasz Kuszczak believes he is good enough to replace Edwin van der Sar on a long-term basis and, as such, claims there is no need for Manchester United to find another top goalkeeper.
26, Computer simulation results demonstrated the validity of the multi - mode SAR based on circular scanning antenna.
27, It can be used for different types of antenna stabilization platform of airborne SAR.
28, While mentioning the Asian economic mode in future, Zeng Yinquan, Chief Executive of the Hong Kong SAR of the PRC said that the unification of the currency could help Asia to achieve unification.
29, The improved CS algorithm and the equivalent-squint wavenumber domain algorithm are two imaging algorithms applied to high resolution spaceborne SAR with large range cell migration.
30, Therefore, an antenna stabilization platform is built for a high resolving power Airborne SAR to image continuously in wide area.
31, The characteristics of SAR scene matching real-time signal processing and airborne SAR real-time signal processing are compared.
32, Van der Sar has not played for Holland since winning his 130th cap, against Norway in a World Cup qualifier 13 months ago.
33, The BAQ is adapted to the high dynamic range of SAR complex images and reduces the quantization error.
34, Equivalent squint wavenumber domain algorithm is an optimized algorithm suitable for precise imaging of high resolution spaceborne SAR with large range cell migration.
35, Then the multivariate statistical hypothesis tests is introduced to apply in SAR images.
36, Phase stability of SAR signal is essential to image azimuth resolution of coherent imaging processing.
37, Sliding spotlight SAR is a novel mode of SAR imaging, which can improve azimuth resolution by controlling the speed of antenna footprint to increase coherent accumulation time.
38, In ideal circumstances, the back scattered echo signal of SAR is chirp signal. With synthetic aperture theory, high azimuth resolution imaging to distant targets can be attained.
39, Where the Company's operations are subject to privacy legislation other than that of Hong Kong SAR, then this policy shall be applied so far as practicable and consistent with such local legislation.
40, Uncertainties and complexities exist in the jamming effectiveness evaluation of synthetic aperture radar ( SAR ) .
41, Taking into account the space condition, the scheme is a feasible way of pre-processor for spaceborne SAR system.
42, Three subjects-UWB radar antenna, UHF/VHF band receiver noise temperature, and the target detection from background, which are main factors in UWB SAR range equation, are studied.
43, Besides, the RF current distribution on the antenna ground is changed by the current dragger, the near-field EM energy could be re-distributed and the SAR characteristic also could be improved.
44, ATI - SAR system requires that the phase characteristic of the two channels is precisely matched.
45, Select the check box in the Select column for the CallForwardingSample.sar file, and click Start to start the application.
46, It is proved that the choice of the reference frequency in NCSA is unique. A multiple-look SAR imaging method for the large squint angle is presented.
47, Using field programmable gate array (FPGA) for synthesized aperture radar (SAR) data compression can reduce the time of data compression, so it increases the resolution of radar.
48, The provisions of the Basic Law on Hong Kong's political system are in keeping with the particular conditions in Hong Kong and consistent with the legal status of the Hong Kong SAR.
49, The spatial Fourier decomposition method is a new method for the SAR imaging.
50, The feasibility of blanket jamming against space-borne SAR is analyzed. Through calculating the power of blanket jamming, it is concluded that the coherent pulses can jam space-borne SAR.
51, Legislator Edmund Ho Hau-wah's election was rubber-stamped by the Preparatory Committee of the Macau SAR chaired by Vice-Premier Qian Qichen.
52, Conclusions Denticulate ligament was a mark and could be used to identify and localize the spinal nerve anterior and posterior roots in the SPR or SAR, especially for the cervical nerve roots.
53, In this paper the effect of the SAR system amplitude and phase errors, frequency modulation ratio error on target phase errors is analyzed and derived.
54, This paper describes the simulation targets model of the SAR scanning areas according to the characters of the radar targets in scanning area and the character coefficient of the ground targets.
55, The characteristics of SAR scene matching real-time signal processing and airborne SAR real-time signal processing arc compared.
56, Aimed at SAR image interpretation, SVM shows good performance in image filtering, image segmentation, target discrimination and classification, as well as polarimetric SAR data classification.
57, The wideband I/Q demodulator is one of the key devices for high-resolution SAR system.
58, On account of the wide relative bandwidth, compared with the narrow-band system, large-band SAR system errors impose more severe effect on imaging quality.
59, There is a growing interest in the frequency modulated continuous wave(FM-CW) SAR for its advantages such as small cubage, light weight, cost-effective and high resolution.
60, We introduce the SAR raw data compression coding application with the improved code book and get well experiment effect.
61, The SAR has increased the duty on cigarettes from 0.05 pataca (0.006 U. S. dollar) to 0.2 pataca (0.025 dollar) per stick, which is an increment of 300 percent.
62, We discuss the nonperiodic abnormal stripe noise due to the spaceborne SAR system itself, and present an area filtering method in two-dimensional frequency domain.
63, There is no question of Beijing mounting pressure on the SAR to ban the sect.
64, Third, compare the lengths of two time signals through a D type flip-flop as a timing comparator. Finally, output approximated correspond digital value from temperature data through SAR.
65, The Chief Executive appointed the Financial Secretary as the public officer to receive, hold and manage the Land Fund, as part of the Hong Kong SAR Government reserves.
66, The Range-Doppler equations which describing the SAR image geometry and related space coordinate system are presented, as well as satellite orbit and orbit parameter.
67, The combination of frequency modulated continuous wave(FMCW)technology and synthetic aperture radar(SAR)techniques is often used to obtain ultra-high resolution.
68, The shift error in ERS SAR image is calculated using the measurements of refractive index profile in Beijing area and moderate electron concentration in China.
69, Finally, the performance of this new approach is validated by the X-band full polarimetric SAR data in Niigata area of Japan.
70, The safety information of vessels cannot be reported credibly to the shore station in time, which makes the so call assistance SAR difficult to be realized.
71, Synthetic Aperture Radar (SAR) is a kind of all-weather and day-and-night remote sensing tools, through which high resolution image can be obtained.
72, The airborne SAR(Synthesis Aperture Radar) uses a stabilized platform to make the antenna stable in the inertial place and trace the velocity to the ground.
73, Signal properties of spaceborne spotlight SAR were discussed. The relationships of centroid Doppler, Doppler bandwidth and PRF(Pluse Repetition Frequency) with squint angle were analyzed.
74, For the S AR nearly Cartesian shape of the sampling grid makes interpolation more facilitation, DF method used in SAR has more advantages than those in CT.
75, Northrop Grumman is responsible for the overall design of the AN/APG-77 and AN/APG-77(V)1 AESA radars - the latter of which features the new air-to-ground capabilities, including SAR.http:///SAR.html
76, The measure, which comes into effect Wednesday, will allow special administrative region (SAR) passport holders to apply for a free entry permit online.
77, Besides the crosstalk and channel imbalance f of SAR system, calibration of the spaceborne Polarimetric SAR(PolSAR) also needs to consider the correction of Faraday rotation .
78, Speckle noise is an intrinsic property of Synthetic Aperture Radar (SAR) imagery.
79, The largest efforts have concentrated on the extraction of oceanographic information from synthetic aperture radar (SAR) imagery and applications of radar altimetry .
80, The radar, called synthetic aperture radar or SAR, is meant to complement a global satellite system that listens for electronic emergency beacons sent by wrecked planes or people in distress.
81, The wide accumulating azimuth angle is one of the main characteristics of low frequency UWB SAR, so the effect of the antenna pattern on the system performance cannot be neglected.
82, "I'd like to go on record as saying what a good job Tomasz did over the last couple of months, " Van der Sar said.
83, Taking the earth rotation and oblateness into consideration, the orbit perturbation, attitude errors and its stability effects on SAR Doppler parameters are analyzed.
84, The extracted line graph can be used for SAR image vectorization and comprehension etc.
85, An efficient parallel algorithm for synthetic aperture radar(SAR) imaging is presented in this paper.
86, The results show that the simulations give a good description of surface distribution of Kelvin ship wakes, which will assist in understanding SAR images of ship wakes.
87, It provided the CFAR detecting method which is based on Rayleigh distribution according to the priori knowledge that the probability distribution of SAR images obey Rayleigh distribution.
88, During the radiometric calibration of the low frequency UWB SAR system, the scattering model of the calibrators should be regarded as the low frequency resonance scattering.
89, However, you can get a feel for the quantity and quality of the data by using the -A command-line argument to SAR, which reports all the currently recorded information.
90, The principle of speckle reduction in polarimetric synthetic aperture radar (SAR) image is using polarimetric diversity among the channels. An improved polarimetric whitening filter (PWF) is proposed.
91, The AAL layer comprises the Convergence Sublayer (CS) and the Segmentation and Reassembly sublayer (SAR).
92, In this paper, we present a method of fusing based on least mean square error(LMSE) and apply it on two SAR images with different resolution effectively.
93, The optical processor of SAR requires a set of precise control system for the film transport to obtain high dynamic resolution.
94, We also proved that the conventional radar jamming equation and the SAR jamming equation can be unified into one common equation.
95, Chapter 2 treats the basic principle of SAR from views of pulse compression and synthetic array.
96, This paper presents the design scheme of a real-time signal processing system for airborne SAR imaging, which is based on VME bus.
97, In the third chapter, SAR and current advance in the antitumor activity of styryl lactones have been reviewed.
98, Careful examination leads to the establishment of a significantly regular structure-activity relationship (SAR), which indicates that a bulk group of thiazole ring, will lead to less active compounds.
99, SAR point target echo simulator which based on DDS chirp signal generator is introduced; it is composed of ARM controller unit and LFM signal generator unit.
100, Different from single SAR imaging, topographic effects worsen the azimuth resolution of multiple SAR surveys besides geometry distortion.
101, Edwin van der Sar, 39, had nothing to apologise for, but the veteran understandably does not dominate the goalmouth.
102, A new feature selection algorithm is presented using SVM, and then it is integrated into the classification procedure of polarimetric SAR images to construct a novel SVM-based classification method.
103, Finally, the suggestion of establishment of the hybrid mode SAR antenna beam point steering is proposed.
104, Executive of the Hong Kong SAR of the PRC said that the unification of the currency could help Asia to achieve unification.
105, Because of the different imaging pattern and imaging mechanism compared with optical sensor, SAR system could provide brand-new means to acquire data and different object information.
105, try its best to gather and create good sentences.
106, This paper analyses the basic working modes of minitype SAR on UAV for field reconnaissance, discusses the difference between SAR resolution and target separation capability.
107, The recognition rates for the handwritten digits and SAR image classification outperform the tradition Bayes classifier.
108, As the most direct physical attribute of targets, geometric features are usually applied to the target discrimination and classification of SAR images.
109, Different data sets relative to the same scene acquired with different view angles can be exploited to improve slant-range resolution of SAR in broadside mode.
110, The wizardly behavior of SAR is to absorb large amount of water and keep water from evaporation.
111, He has already seen off Tomasz Kuszczak and Ben Foster, but Neuer has been told he would come in for a straight fight with van der Sar.
112, The research achievements in this paper have been applied air-borne - SAR experiment system successfully.
113, SAR imaging has the characteristics of high data rate, huge dada, complex arithmetic and difficulty of real-time processing.
114, Keep in mind that it is possible for the SAR level to vary between different transmission bands and that different testing bodies can obtain different results.
115, Two step algorithm is proposed for unsupervised detection of linear structure from SAR image, in particular, the road network detection.
116, Then, the software simulation of real time imaging of airborne SAR is completed with this kind of data by Pentium PC.
117, The England centre-half also played a hefty part as Edwin van der Sar enjoyed a virtually trouble-free passage to a new league shutout record.
118, The antenna pattern error is the main error of effecting target radiometric properties. Distributed spaceborne SAR operates with the transmitter and receiver is spatially separated.
119, This paper proposed a phase correction method for hybrid baseline SAR - ATI of distributed satellites.
120, Taking the character of SAR data and limited system memory into accounts, the medium grained parallel imaging algorithm optimizes task partitioning to improve system processing power.
121, Test on the actual SAR images shows that the gray transform algorithm based on radiometric multiresolution analysis (RMA) is the best.
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