نتایج جستجو برای: radar simulator
تعداد نتایج: 68300 فیلتر نتایج به سال:
Abstract. The aim of this paper is to present the Monte Carlo code McRALI that provides simulations under multiple-scattering regimes polarized high-spectral-resolution (HSR) lidar and Doppler radar observations for a three-dimensional (3D) cloudy atmosphere. effects nonuniform beam filling (NUBF) on HSR signals related EarthCARE mission are investigated with help an academic 3D box cloud chara...
An airborne radar echo signal includes signals returned from clutter and a target; thus, simulating the may be crucial for predicting analyzing accurate performance. Because it can extremely difficult expensive to obtain real measured data various scenarios, an generation method is required. Existing weather ground simulators X-band are combined simulate when two clutters exist simultaneously. ...
in this paper a new algorithm is presented for coherent radar detection of targets, when distribution of the interference (clutter and noise) is non-gaussian. the neyman-pearson criterion is used for optimal detection and several successive received samples from a radar range cell are used for detection in the same cell. on the basis of recent empirical evidences, the interference distribution ...
Sensor fusion is a critical aspect in autonomous drone navigation as several tasks, such object detection and self-pose estimation, require combining information from heterogeneous sources. The performance of these solutions depends on factors, the characteristics sensors environment, well computing platforms, which can heavily impact their accuracy response time. Carrying out evaluations throu...
The goal of a driving simulator is to produce an environment for a driver similar to the real driving scenario. Motion cueing algorithms are used to produce a realistic motion while respecting the workspace limitations and motion simulator boundaries. Model Predictive Control has become popular recently for motion cueing. However, in this control method, the optimization is based on a predefine...
Three ground-based radars in the Pearl River Delta successfully observed Typhoon Higos (2020), which traveled over offshore area South China Sea. During observation period, stratiform region of outer rainband HIGOS became active while swirling inward, merging into an unclosed eyewall and spreading outward, but its structure was asymmetric between upwind downwind. To understand dynamic mechanism...
The Earth Clouds, Aerosol, and Radiation Explorer (EarthCARE) is a satellite mission jointly developed by the Japan Aerospace Exploration Agency (JAXA) European Space (ESA). One challenging feature of this observation Doppler velocity Cloud Profiling Radar (EC-CPR). measurement accuracy affected random errors induced broadening due to finite beamwidth folding caused pulse repetition frequency. ...
Nowadays, Radar systems have many applications and radar imaging is one of the most important of these applications. Inverse Synthetic Aperture Radar (ISAR) is used to form an image from moving targets. Conventional methods use Fourier transform to retrieve Doppler information. However, because of maneuvering of the target, the Doppler spectrum becomes time-varying and the image is blurred. Joi...
A new automatic target recognition algorithm to recognize and distinguish three classes of targets: personnel, wheeled vehicles and animals, is proposed using a low-resolution ground surveillance pulse Doppler radar. The Chirplet transformation, a time frequency signal processing technique, is implemented in this paper. The parameterized RADAR signal is then analyzed by the Zernike Moments (ZM)...
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