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IEEE Transactions on Geoscience and Remote Sensing

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• [Front cover]

Publication Year: 2008, Page(s): C1
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• IEEE Transactions on Geoscience and Remote Sensing publication information

Publication Year: 2008, Page(s): C2
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Publication Year: 2008, Page(s):2165 - 2166
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• Radarsat-1 and ERS InSAR Analysis Over Southeastern Coastal Louisiana: Implications for Mapping Water-Level Changes Beneath Swamp Forests

Publication Year: 2008, Page(s):2167 - 2184
Cited by:  Papers (43)
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Detailed analysis of C-band European Remote Sensing 1 and 2 (ERS-1/ERS-2) and Radarsat-1 interferometric synthetic aperture radar (InSAR) imagery was conducted to study water-level changes of coastal wetlands of southeastern Louisiana. Radar backscattering and InSAR coherence suggest that the dominant radar backscattering mechanism for swamp forest and saline marsh is double-bounce backscattering,... View full abstract»

• Information Theory-Based Approach for Contrast Analysis in Polarimetric and/or Interferometric SAR Images

Publication Year: 2008, Page(s):2185 - 2196
Cited by:  Papers (15)
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We propose a new approach for evaluating the contribution of the different channels of polarimetric and interferometric synthetic aperture radar (PolInSAR) images. For that purpose, we demonstrate that the Bhattacharyya distance between the probability density functions of neighboring regions in the image provides an efficient scalar contrast measure. We show that the analysis of this contrast mea... View full abstract»

• Sea Ice Deformation State From Synthetic Aperture Radar Imagery—Part II: Effects of Spatial Resolution and Noise Level

Publication Year: 2008, Page(s):2197 - 2207
Cited by:  Papers (6)
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C- and L-band airborne synthetic aperture radar (SAR) imagery acquired at like- and cross-polarizations over sea ice under winter conditions is examined with the objective to study the discrimination between level ice and ice deformation features. High-resolution low-noise data were analyzed in the first paper. In this second paper, the main topics are the effects of spatial resolution and signal-... View full abstract»

• Squint Spotlight SAR Raw Signal Simulation in the Frequency Domain Using Optical Principles

Publication Year: 2008, Page(s):2208 - 2215
Cited by:  Papers (22)
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Synthetic aperture radar (SAR) distributed target scene raw signal simulation is an important tool for the study and test of SAR systems and processing algorithms, mission planning, and inversion algorithm design. In this paper, the squint spotlight SAR scene model is evaluated to achieve spotlight SAR raw signals in the 2-D frequency domain and the precision of the model is analyzed. It is known ... View full abstract»

• A Two-Dimensional Spectrum Model for General Bistatic SAR

Publication Year: 2008, Page(s):2216 - 2223
Cited by:  Papers (14)
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This paper derives a 2-D spectrum model for general bistatic synthetic aperture radar (SAR). By introducing some new parameters such as equivalent monostatic parameters, bistatic factor, and weighted-equivalent range, the 2-D spectrum of general bistatic SAR can be expressed in the form of monostatic SAR even when the transmitter and receiver move along unparallel trajectories with different veloc... View full abstract»

• An Omega-K Algorithm With Phase Error Compensation for Bistatic SAR of a Translational Invariant Case

Publication Year: 2008, Page(s):2224 - 2232
Cited by:  Papers (24)
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This paper first shows the 3D property of bistatic synthetic aperture radar (BiSAR) geometry, which clarifies that the algorithms for bistatic SAR should be deduced in 3D space. It then models the bistatic echo according to the 3D geometry and obtains the signal spectrum in the wavenumber domain. Based on the spectrum, the formula for the wavenumber-domain interpolation of the omega-K algorithm is... View full abstract»

• Imaging Simulation of Bistatic Synthetic Aperture Radar and Its Polarimetric Analysis

Publication Year: 2008, Page(s):2233 - 2248
Cited by:  Papers (15)
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Employing the 3-D mapping and projection algorithm (MPA), an imaging simulation of bistatic synthetic aperture radar (BISAR) observation over a complex scenario is developed. Based on the explicit expression of the point target response of stripmap BISAR imaging, raw data are efficiently generated from the scattering map precalculated by MPA. Some examples of BISAR image simulation are studied. Th... View full abstract»

• A Multistatic GNSS Synthetic Aperture Radar for Surface Characterization

Publication Year: 2008, Page(s):2249 - 2253
Cited by:  Papers (5)
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Bistatic global navigation satellite system (GNSS) radar has received increased attention in recent years within both the radar and GNSS communities. In this paper, the traditional bistatic GNSS radar and bistatic synthetic aperture radar (SAR) concepts are fused into a more generic multistatic GNSS SAR system for surface characterization. This is done by using the range and Doppler processing tec... View full abstract»

• The Detection of Buried Pipes From Time-of-Flight Radar Data

Publication Year: 2008, Page(s):2254 - 2266
Cited by:  Papers (22)
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Ultrawideband radar is commonly used in the frequency range of 50-500 MHz to detect buried pipes at a depth of about 1-2 m depending on the soil characteristics. The typical feature used to locate the pipes is the hyperbolic pattern of the time of flight generated by a linear scan of the antenna above the surface. When the pipes are close together, the hyperbolas overlap, and a straightforward lea... View full abstract»

• Determination of Bathymetric and Current Maps by the Method DiSC Based on the Analysis of Nautical X-Band Radar Image Sequences of the Sea Surface (November 2007)

Publication Year: 2008, Page(s):2267 - 2279
Cited by:  Papers (46)  |  Patents (1)
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Morphodynamic processes in coastal areas are affected by tidal currents and sea state. The continuous observation of near coastal areas is important in order to monitor dangerous current-regime and bathymetry changes. Therefore, there is an urgent need for remote sensing techniques delivering the important hydrographic parameters with a high spatial resolution. Dispersive surface classificator (Di... View full abstract»

• Automatic $P$-Phase Picking Based on Local-Maxima Distribution

Publication Year: 2008, Page(s):2280 - 2287
Cited by:  Papers (11)
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In this paper, we propose a method for the automatic identification of P-phase arrival based on the distribution of local maxima (LM) in earthquake seismograms. The method efficiently combines energy and frequency characteristics of the LM distribution (LMD). The detection is mainly based on the energy of a seismic event in the case the earthquake has higher amplitude than seismic background noise... View full abstract»

• Efficient Model-Based Estimation of Atmospheric Transmittance and Ocean Wind Vectors From WindSat Data

Publication Year: 2008, Page(s):2288 - 2297
Cited by:  Papers (5)
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A new method for estimating the atmospheric transmittance and wind speed over the ocean from WindSat data is derived using a simplified model for the ocean surface reflectivity. The simplified reflectivity model is used to calculate both the surface emissivity and the reflection of downwelling atmospheric radiation. The wind-speed dependence of the surface reflectivity is parameterized using simpl... View full abstract»

• Surface Emissivity of Arctic Sea Ice at AMSU Window Frequencies

Publication Year: 2008, Page(s):2298 - 2306
Cited by:  Papers (22)
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A method to retrieve the surface emissivity of sea ice at the window channels of the Advanced Microwave Sounding Unit (AMSU) radiometers in the polar region is presented. The instruments are on the new-generation satellites of the U.S. National Oceanic and Atmospheric Administration (NOAA-15, NOAA-16, and NOAA-17). The method assumes hypothetical surfaces with emissivities zero and one and simulat... View full abstract»

• Improved Retrieval of Total Water Vapor Over Polar Regions From AMSU-B Microwave Radiometer Data

Publication Year: 2008, Page(s):2307 - 2322
Cited by:  Papers (15)
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The polar regions are among those where the least information is available about the current and predicted states of surface and atmosphere. We present advances in a method to retrieve the total water vapor (TWV) of the polar atmosphere from data from spaceborne microwave radiometers such as the Advanced Microwave Sounding Unit B (AMSU-B) on the polar-orbiting satellites of the National Oceanic an... View full abstract»

• The Fully Polarimetric Imaging Radiometer SPIRA at 91 GHz

Publication Year: 2008, Page(s):2323 - 2336
Cited by:  Papers (10)
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The Scanning Polarimetric Imaging Radiometer (SPIRA) is a versatile fully polarimetric imager operating at 91 GHz. It is designed for measurements of polarimetric signatures of the Earth's surface and man-made objects. SPIRA combines a method for the measurement of the complete polarization state with a relatively fast high-resolution imager, which is suitable for a range of applications. The inst... View full abstract»

• Side-Face Effect of a Dielectric Strip on Its Optical Properties

Publication Year: 2008, Page(s):2337 - 2344
Cited by:  Papers (2)
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Light scattering by horizontally oriented platelike particles under normal incidence, such as ice plates or tree leaves under spaceborne lidar or radar waves, needs to be investigated for remote sensing of cirrus clouds or vegetation canopies. The solutions from the conventional geometrical ray tracing method for the scattering of electromagnetic waves by these particles are quite inaccurate becau... View full abstract»

• Normalized Differential Spectral Attenuation (NDSA) Measurements Between Two LEO Satellites: Performance Analysis in the Ku/K-Bands

Publication Year: 2008, Page(s):2345 - 2356
Cited by:  Papers (4)
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Normalized differential spectral attenuation (NDSA) is a novel differential measurement method to estimate the total content of water vapor [integrated water vapor (IWV)] along a tropospheric propagation path between two low Earth orbit (LEO) satellites. A transmitter onboard the first LEO satellite and a receiver onboard the second one are required. The NDSA approach is based on the simultaneous ... View full abstract»

• Whitening Dual-Polarized Weather Radar Signals With a Hermitian Transformation

Publication Year: 2008, Page(s):2357 - 2364
Cited by:  Papers (6)
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Oversampling weather radar signals in range and then whitening these signals has been shown to improve the accuracy of spectral moments. For dual-polarized radar, the polarimetric variables depend upon information gleaned from the cross correlation of the different received signals. Theoretical improvements to the polarimetric variables have been provided to date, but experimental evidence of impr... View full abstract»

• Soil Moisture Retrieval During a Corn Growth Cycle Using L-Band (1.6 GHz) Radar Observations

Publication Year: 2008, Page(s):2365 - 2374
Cited by:  Papers (24)
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This paper reports on the retrieval of soil moisture from dual-polarized L-band (1.6 GHz) radar observations acquired at view angles of 15deg, 35deg, and 55deg, which were collected during a field campaign covering a corn growth cycle in 2002. The applied soil moisture retrieval algorithm includes a surface roughness and vegetation correction and could potentially be implemented as an operational ... View full abstract»

• Vertical Resolution Estimates in Version 5 of AIRS Operational Retrievals

Publication Year: 2008, Page(s):2375 - 2384
Cited by:  Papers (44)
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In this paper, we present an overview of averaging-kernel computations from the Atmospheric Infrared Sounder (AIRS) Version 5 product retrieval software. Temperature and moisture retrievals form the focus of this paper; however, some results for all other retrieved gas amounts are presented. The theory and methodology required to utilize the averaging kernels for comparison of AIRS retrievals with... View full abstract»

• Three-Dimensional Motion Estimation of Atmospheric Layers From Image Sequences

Publication Year: 2008, Page(s):2385 - 2396
Cited by:  Papers (17)
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In this paper, we address the problem of estimating 3-D motions of a stratified atmosphere from satellite image sequences. The analysis of 3-D atmospheric fluid flows associated with incomplete observation of atmospheric layers due to the sparsity of cloud systems is very difficult. This makes the estimation of dense atmospheric motion field from satellite image sequences very difficult. The recov... View full abstract»

• Medium Spatial Resolution Satellite Imagery for Estimating and Mapping Urban Impervious Surfaces Using LSMA and ANN

Publication Year: 2008, Page(s):2397 - 2406
Cited by:  Papers (66)
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Remote sensing estimation of impervious surface is significant in monitoring urban development and determining the overall environmental health of a watershed, and it has therefore attracted more interest recently in the remote sensing community. The main objective of this paper is to examine and compare the effectiveness of two advanced algorithms for estimating impervious surfaces from medium sp... View full abstract»

Aims & Scope

 IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING (TGRS) is a monthly publication that focuses on the theory, concepts, and techniques of science and engineering as applied to sensing the land, oceans, atmosphere, and space; and the processing, interpretation, and dissemination of this information.

Full Aims & Scope

Editor-in-Chief
Antonio J. Plaza