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# IEEE Transactions on Aerospace and Electronic Systems

## Filter Results

Displaying Results 1 - 25 of 70
• ### Contents

Publication Year: 2012, Page(s): c1
| PDF (157 KB)
• ### [Inside front cover]

Publication Year: 2012, Page(s): c2
| PDF (237 KB)
• ### From the Editor

Publication Year: 2012, Page(s): 1857
| PDF (163 KB) | HTML
• ### CGLRT plus TDL Beamforming for Ultrawideband MIMO Noise Radar

Publication Year: 2012, Page(s):1858 - 1869
Cited by:  Papers (5)
| | PDF (3019 KB) | HTML

We consider the estimation of target directions in ultrawideband (UWB) multi-input-multi-output (MIMO) noise radar. We apply the tapped-delay-line (TDL) based beamforming technique to concentrate on receiving signals from a certain direction and to suppress interference from others. The conditional generalized likelihood ratio test (CGLRT) is applied for detecting target given the target impulse r... View full abstract»

• ### A Comparison of Methods for Estimating Track-to-Track Assignment Probabilities

Publication Year: 2012, Page(s):1870 - 1888
Cited by:  Papers (5)
| | PDF (3230 KB) | HTML

We use the two-dimensional track-to-track assignment problem to analyze the trade-off between accuracy and runtime performance for three methods of estimating track-to-track assignment probabilities: enumeration of the k-best data association hypotheses, importance sampling (IS), and Markov chain Monte Carlo (MCMC) estimation. We also characterize the appropriate operating regime for each method. View full abstract»

• ### Assessment of the GPS L2C Code Structure for Efficient Signal Acquisition

Publication Year: 2012, Page(s):1889 - 1902
Cited by:  Papers (10)
| | PDF (2965 KB) | HTML

L2C is the second Global Positioning System (GPS) civilian signal to become available over the full constellation. Because of the unusually-long ranging codes used in L2C signal, the search space and the computational complexity for signal acquisition become huge. The time-multiplexed nature of L2C code can, however, be exploited to design smarter replica codes that expedite the signal search and ... View full abstract»

• ### Analytical Evaluation of Uncertainty on Active Antenna Arrays

Publication Year: 2012, Page(s):1903 - 1913
Cited by:  Papers (2)
| | PDF (2114 KB) | HTML

An analytical method for evaluating the uncertainty of the performance of active antenna arrays in the whole spatial spectrum is presented. Since array processing algorithms based on spatial reference are widely used to track moving targets, it is essential to be aware of the impact of the uncertainty sources on the antenna response. Furthermore, the estimation of the direction of arrival (DOA) de... View full abstract»

• ### Aircraft Engine's Lock-On Envelope due to Internal and External Sources of Infrared Signature

Publication Year: 2012, Page(s):1914 - 1923
Cited by:  Papers (5)
| | PDF (2414 KB) | HTML

The lock-on envelope of target aircraft is important in determining its susceptibility against a heat-seeking missile and depends on the aircraft's infrared (IR) signature level (IRSL). In this investigation, the lock-on envelope is estimated in 3-5 μm and 8-12 μm bands, considering internal and external sources of IR signature from surfaces of aircraft engine layout. This is achieve... View full abstract»

• ### Direction-of-Arrival Estimation using a Low-Complexity Covariance-Based Approach

Publication Year: 2012, Page(s):1924 - 1934
Cited by:  Papers (4)
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This article presents a new algorithm for performing direction-of-arrival (DOA) estimation using manipulations on covariance matrices. The proposed algorithm combines a new formulation for data projection on real subspaces, together with beamspace decompositions, reducing the sizes of all data structures and computational complexity of the resulting estimation process. Theoretical analyses as well... View full abstract»

• ### Universal Nonlinear Filtering using Feynman Path Integrals I: The Continuous-Discrete Model with Additive Noise

Publication Year: 2012, Page(s):1935 - 1960
Cited by:  Papers (1)
| | PDF (1855 KB) | HTML

The continuous-discrete filtering problem requires the solution of a partial differential equation known as the Fokker-Planck-Kolmogorov forward equation (FPKfe). The path integral formula for the fundamental solution of the FPKfe is derived and verified for the general additive noise case (i.e., explicitly time-dependent state model and with state-independent rectangular diffusion vielbein). The ... View full abstract»

• ### Noncoherent BOC Signal Tracking Based on a Five-Correlator Architecture

Publication Year: 2012, Page(s):1961 - 1974
Cited by:  Papers (1)
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The work presented here addresses the design and analysis of a noncoherent five-correlator code tracking scheme, which is considered minimal in BOC (binary offset carrier) signal tracking. The design flexibilities associated with a general noncoherent tracking loop including correlator spacing and weighting coefficients are identified and determined through an optimization process to meet design r... View full abstract»

Publication Year: 2012, Page(s):1975 - 1995
Cited by:  Papers (5)
| | PDF (1936 KB) | HTML

We propose a tracking framework jointly estimating the position of a single extended object and the set of radar reflectors that it contains. The reflectors are assumed to lie on a line structure, but the number of reflectors and their positions on the line are unknown. Additionally, we incorporate an accurate radar sensor model considering the resolution capabilities of the sensor. The evaluation... View full abstract»

• ### Target Localization with a Single Sensor via Multipath Exploitation

Publication Year: 2012, Page(s):1996 - 2014
Cited by:  Papers (24)
| | PDF (4083 KB) | HTML

In urban sensing and through-the-wall (TTW) radar, the existence of targets inside buildings results in multipath returns. These multipath returns are exploited to achieve target localization with a single sensor. A time-of-arrival (TOA) wall association algorithm is derived to relate multipath returns to their respective walls and targets, followed by a nonlinear least squares (NLS) optimization ... View full abstract»

• ### Fault Detection and Isolation in Multiple MEMS-IMUs Configurations

Publication Year: 2012, Page(s):2015 - 2031
Cited by:  Papers (12)
| | PDF (3720 KB) | HTML

This research presents methods for detecting and isolating faults in multiple micro-electro-mechanical system inertial measurement unit (MEMS-IMU) configurations. First, geometric configurations with n sensor triads are investigated. It is proved that the relative orientation between sensor triads is irrelevant to system optimality in the absence of failures. Then, the impact of sensor failure or ... View full abstract»

• ### On the GDOP and Accuracy for Indoor Positioning

Publication Year: 2012, Page(s):2032 - 2051
Cited by:  Papers (11)
| | PDF (2786 KB) | HTML

Position accuracy and geometric dilution of precision (GDOP) analysis are presented for indoor mesh positioning systems in multipath and non-line-of-sight (NLOS) propagation environments. Concise analytical formulas are derived for the position error statistics in the presence of biased ranging errors and uniform random spatial anchor node deployment. Simulation and experimental verification are c... View full abstract»

Publication Year: 2012, Page(s):2052 - 2064
Cited by:  Papers (3)
| | PDF (1846 KB) | HTML

In this paper, we address detection of range spread targets with range walking in partially homogeneous clutter, which is often encountered in wideband radar. By considering the target range walking effect, a target returns model is proposed that represents the relationship between Doppler frequency and range frequency. Based on this, a generalized matched subspace detector (GMSD) and a general ad... View full abstract»

• ### Synthetic Aperture Radar 3D Feature Extraction for Arbitrary Flight Paths

Publication Year: 2012, Page(s):2065 - 2084
Cited by:  Papers (16)
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We propose an algorithm for extracting multiple geometric scattering features from synthetic aperture radar (SAR) phase history collected over arbitrary, 3D monostatic or bistatic apertures. The algorithm input is complex-valued phase history; the output is a list of features and corresponding parameter estimates. We fit to the data parametric models for six canonical features. The feature extract... View full abstract»

• ### Interleaved OFDM Radar Signals for Simultaneous Polarimetric Measurements

Publication Year: 2012, Page(s):2085 - 2099
Cited by:  Papers (13)
| | PDF (3401 KB) | HTML

A novel pair of mutually-orthogonal radar waveforms is proposed for simultaneous polarimetric measurements (SPM). The proposed waveform pair exploits the orthogonality features between different subcarriers within a single orthogonal frequency division multiplexing (OFDM) chip, and is called interleaved OFDM (I-OFDM). With I-OFDM signals the isolation limitation defined by the bandwidth time (BT) ... View full abstract»

• ### Zero Correlation Zone Sequence Pair Sets for MIMO Radar

Publication Year: 2012, Page(s):2100 - 2113
Cited by:  Papers (12)
| | PDF (2010 KB) | HTML

Inspired by recent advances in multiple-input multiple-output (MIMO) radar, we apply orthogonal phase coded waveforms to MIMO radar system in order to gain better range resolution and target direction finding performance. We provide and investigate a generalized MIMO radar system model using orthogonal phase coded waveforms. In addition, we slightly modify the system model to improve the system pe... View full abstract»

• ### Dynamic RCS Estimation of Chaff Clouds

Publication Year: 2012, Page(s):2114 - 2127
Cited by:  Papers (3)
| | PDF (4000 KB) | HTML

We analytically investigated electromagnetic wave propagation through chaff clouds. The chaff fibers are assumed to be long and thin cylinders. The trajectory tracking algorithm was developed based on a combination of the six degree-of-freedom (6 DOF) equations of motion and the aerodynamic forces and moment acting on the chaff fibers. For the low Reynolds number flows around the chaff fibers, the... View full abstract»

• ### Flight-Test Evaluation of Sensor Fusion Algorithms for Attitude Estimation

Publication Year: 2012, Page(s):2128 - 2139
Cited by:  Papers (30)
| | PDF (1283 KB) | HTML

In this paper, several Global Positioning System/inertial navigation system (GPS/INS) algorithms are presented using both extended Kalman filter (EKF) and unscented Kalman filter (UKF), and evaluated with respect to performance and complexity. The contributions of this study are that attitude estimates are compared with independent measurements provided by a mechanical vertical gyroscope using 23 ... View full abstract»

• ### Target Motion and High Range Resolution Profile Generation

Publication Year: 2012, Page(s):2140 - 2153
Cited by:  Papers (4)
| | PDF (3356 KB) | HTML

The problem of forming high range resolution (HRR) profiles from radar data of moving targetsis considered. HRR profiles can result from processing range-Doppler images of targets, whereby the 2-D range-Doppler image is collapsed into a 1-D range profile. The interest in HRR profiles can partly be explained by the hypothesis that they can be used to characterize and discriminate targets. HRR profi... View full abstract»

• ### Performance of Target Acquisition Systems with Ordered Commitment

Publication Year: 2012, Page(s):2154 - 2166
| | PDF (3313 KB) | HTML

The work presented here provides methods for computing the probability that a cued acquisition system will commit to the correct target based on the performance of its constituent subsystems. A general expression for probability of acquisition (the probability that the target is among the K ≥ 1 best ranking candidates) is derived. Various decision rules for fusion of kinematic- and signatur... View full abstract»

• ### Main-Lobe Jamming Suppression Method of using Spatial Polarization Characteristics of Antennas

Publication Year: 2012, Page(s):2167 - 2179
Cited by:  Papers (11)
| | PDF (3116 KB) | HTML

As interferences are introduced from a main-lobe direction, which results in target signals being masked by interference, traditional adaptive beamforming and eigen-subspace projection methods cannot suppress main-lobe interferences effectively. A novel interference suppression method is proposed that processes the sample data by using the scanning property of a single polarized antenna. The ortho... View full abstract»

• ### Analytic Solution to Optimal Reconfigurations of Satellite Formation Flying in Circular Orbit under $J_2$ Perturbation

Publication Year: 2012, Page(s):2180 - 2197
Cited by:  Papers (2)
| | PDF (1578 KB) | HTML

This paper presents an analytic solution to the optimal reconfiguration problem of satellite formation flying in J2 orbital perturbation. Continuous and variable low-thrust accelerations are represented by the Fourier series, and initial and final boundary conditions are used to establish the constraints on the thrust functions. The thrust functions are implemented by optimal Fourier co... View full abstract»

## Aims & Scope

IEEE Transactions on Aerospace and Electronic Systems focuses on the organization, design, development, integration, and operation of complex systems for space, air, ocean, or ground environment.  These systems include, but are not limited to, navigation, avionics, spacecraft, aerospace power, radar, sonar, telemetry, defense, transportation, automated testing, and command and control.

Full Aims & Scope

## Meet Our Editors

Editor-in-Chief
Lance Kaplan
Army Research Laboratory