coherent radar
A Novel Sorting Method Based on Auto-correlation Function of Coherent Radar Signal
... of coherent radar ...of coherent radar signal and incoherent radar signal, based on it ratio of peak judgment model is proposed, which was used to sort ...
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Research on Vessel and Chaff Echo Characteristics for Wideband Coherent Radar
... missile-borne radar signal processing. Wideband radar has the ability of high range resolution, which provides us a new technological approach for anti-chaff ...the coherent radar is usually ...
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VHF coherent radar signals from the E region ionosphere and the relationship to electron drift velocity and ion acoustic velocity
... from coherent radar observations of ionospheric plasma waves [Foster and Erickson, 2000; Nielsen and Whitehead, 1983; Cahill et ...the radar measurements without taking into account the limitation of ...
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Geometric considerations of polar mesospheric summer echoes in tilted beams using coherent radar imaging
... mar Radar System in Northern Norway (69.30 ◦ N, 16.04 ◦ E). The radar is able to resolve PMSE at high spatial and tempo- ral resolution and to perform pulse-to-pulse beam ...gate, coherent ...
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A Semi Automatic Approach for Estimating Bedrock and Surface Layers from Multichannel Coherent Radar Depth Sounder Imagery
... multichannel coherent radar depth sounder 2 in order to map the thickness and underlying bed topography beneath the ice ...in radar imagery typically requires time- consuming, dense hand ...
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Investigation of horizontal structures at mesospheric altitudes using coherent radar imaging
... Alomar Radar System (MAARSY) on the Norwegian Island Andøya started its operation in ...apply coherent radar imaging (CRI) and to get a deeper insight into the inner structures of ...PMSE. ...
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Coherent radar clutter statistics.
... the radar was first brought into service and deployed in air defence systems for d e tecting attacking aircraft ...original radar systems were noncoherent, in the sense that they transmitted a burst o f ...
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94 GHz pulsed coherent radar for high power amplifier evaluation
... For future outdoor demonstrations of the high power radar we aim to demonstrate it in a cloud profiling experiment. Ground-based cloud profiling radars typically use twin zenith pointing antennas of high gain / ...
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A solid state 94 GHz FMCW Doppler radar demonstrator for cloud profiling
... Doppler radar demonstrator for cloud profiling. The radar uses an all solid-state and relatively simple homodyne architecture and two, low sidelobe ...noise, coherent radar employs a direct ...
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A simple method for retrieving significant wave height from Dopplerized X-band radar
... marine radar backscatter intensity is very well ...the radar image spectrum (a backscatter intensity variance spectrum) has to be transferred to a wave spectrum (a surface eleva- tion variance spectrum) ...
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Automatic Bedrock and Ice Layer Boundaries Estimation in Radar Imagery Based on Level Set Approach
... multichannel coherent radar ...airborne radar imagery collected during IceBridge mission over Antarctica and Greenland and show promising results in respect to hand-labeled ground ...
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Novel specular meteor radar systems using coherent MIMO techniques to study the mesosphere and lower thermosphere
... Abstract. Typical specular meteor radars (SMRs) use one transmitting antenna and at least a five-antenna interfero- metric configuration on reception to study the mesosphere and lower thermosphere (MLT) region. The ...
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Application of Frequency Diversity to Suppress Grating Lobes in Coherent MIMO Radar with Separated Subapertures
... phased-array radar system, which can only transmit scaled versions of a single waveform, a multi-input multi-output (MIMO) radar system has shown much flexibility by transmitting multiple orthogonal (or ...
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Mapping ionospheric backscatter measured by the SuperDARN HF radars part 2: Assessing SuperDARN virtual height models
... gate radar scan modes used in this ...the radar, one us- ing 45 km range gates, starting at a range of 180 km and the other 15 km range gates, starting at 1485 ...the radar, providing higher time ...
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Implementation and evaluation of coherent synthetic aperture radar processing for level measurements of bulk goods with an FMCW-system
... The unfocused 2-D backscattering and reflection image b(x,z) in Fig. 6b again shows the envelope of receive sig- nals without delay and sum focusing. It can be seen that the image contains information about the curved ...
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Joint Transmission and Reception Diversity Smoothing for Direction Finding of Coherent Targets in MIMO Radar
... phased-array radar, MIMO radar em- ploys multiple transmit antennas for emitting orthogonal wave- forms and multiple receive antennas for receiving the echoes reflected by the targets ...MIMO radar ...
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Enhancing the spatiotemporal features of polar mesosphere summer echoes using coherent MIMO and radar imaging at MAARSY
... The so-called MIMO (Multiple Input Multiple Output) tech- nique is being widely used in the fields of telecommunica- tions and radar remote sensing (e.g Telatar, 1999; Huang et al., 2011; Foschini and Gans, 1998). ...
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Design of Radar to Detect a Target at an Arbitrary Standoff Range
... modern radar systems are very complicated, it can easily understand their operation by using a basic block diagram of a pulse-radar ...of radar is relatively simple even though in many instances its ...
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Coherent Targets DOA Estimation Using Toeplitz Matrix Method with Time Reversal MIMO Radar
... Abstract. In this letter, the direction of arrival (DOA) estimation for multi-input multi-output (MIMO) radar in multipath environment is investigated. The signal model is based on the assumption that the signal ...
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Physics-Based Predictions for Coherent Change Detection Using X-Band Synthetic Aperture Radar
... A theoretical model is developed to describe the interferometric coherency between pairs of SAR images of rough soil surfaces. The model is derived using a dyadic form for surface reflectivity in the Kirchhoff ...
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