Spatial aliasing simulated for a phased array
CiteSeerX — On spatial aliasing in microphone arrays
... broadband array processing. Second, the microphone array environment is much harsher due to the analog nature of the signal and the long reverberation times of common ...
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Designing of the High Spatial Resolution Phased Array Transducer for Crack Type Distinction
... high spatial resolution phased array transducer was designed by using sound radiation ...designed phased array transducer was investigated by numerical simulation of ultrasonic ...
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Phased Array Testing Procedure
... Backwall echoes were included in the computation (surface echoes were not included so as not to clutter up the displays). Shadowing was included since in some of the flaw configurations, the shadowing effect of a flaw ...
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Clutter noise reduction for phased array imaging using frequency-spatial polarity coherence
... B. Influence of Frequency Dependent Attenuation In course grained materials, the high frequency ultrasound components are more easily scattered and absorbed. Hence, for an imaging region near the array, a wider ...
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Clutter noise reduction for phased array imaging using frequency-spatial polarity coherence
... to array applications, spatial variation of noise characteristics must also be ...new spatial- frequency diversity based algorithm for array imaging, extended from ...capture array ...
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2.2 2.4 GHz Phased Array
... PEC (perfect electric conductors), the ground plane being infinite in extent, and a reduced size radiation boundary. The simulated antenna was totally enclosed in an air box, as depicted in Figure 5. The walls of ...
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Polarization Matched Radiating Array for Electronically Steered Phased Array Antenna
... 4. CONCLUSION A low profile, light weight 2 × 2 series fed microstrip antenna has been designed, simulated, optimized and developed at S-band frequency. Measured results are very close to the simulated ...
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Overlapped Phased Array Antenna for Avalanche Radar
... the phased array inter-element spacing plays a significant role to suppress the unwanted grating in the phased array visible ...spaced phased array antenna is proposed. According ...
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Overlapped phased array antenna for avalanche radar.
... given array element ...control aliasing by achieving a narrower sub-array beamwidth than would normally be possible with a given sub-array ...allows spatial anti-alias filtering to ...
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A GPS Digital Phased Array Antenna and Receiver
... antenna array and DFE assembly can be populated with two, four, nine or sixteen antenna ...the array spatial signal processing algorithms to form the digital antenna array pattern from the ...
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Microwave integrated phased array transmitters in silicon
... are spatial methods that can be used to improve data rates without the dreaded increase in ...the spatial dimension for improving spectral efficiency is an area of rapidly increasing ...of spatial ...
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Phased array antenna processing on reconfigurable hardware
... antenna array is also in the form of dierent frequencies, signals from dierent directions generate dierent frequencies when observed in the spatial ...antenna array consist of elements positioned λ/2 ...
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DYNAMIC TRACKING PHASED ARRAY DATA LINKS
... users, signal sources, and sensors on an airborne platform, and links them across a long range, wideband, wireless channel. The second subsystem is a portable Ground Station Receiver (GSR) and provides receiving assets ...
Microwave integrated phased array receivers in silicon
... the most noisy implementation among all the architectures. Another serious design challenge is the high-speed high-throughput data I/O of the DSP, which is currently a bottleneck to the achievable bandwidth of this ...
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Metascreen-Based Acoustic Passive Phased Array
... passive array that efficiently transmits sound energy from a primary source, steers a local phase shift that spans a full 2π range, and, meanwhile, has a deep subwavelength spatial ...the array have ...
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Phased array antenna element for automotive radar application
... in array configuration are realized at IHP ...between simulated and measured ...between simulated and measured result reveals stringent need for knowledge about exact value of Silicon dielectric ...
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RFI mitigation strategies for phased-array SKA concepts
... satellite signals and signals from airplanes), SKA design has to consider and take into account effects of interfer- ence. These effects may concern linearity of the analogue and digital signal processing chain, such as ...
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Phased array antenna design for 5G mobile networks
... its array to act as a MIMO configuration as shown in Figure-5 the spatial multiplex in guses multiple streams on a single carrier which increase the capacity per user, but is most effective when radio links ...
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Applications in Low-Power Phased Array Weather Radars
... CHAPTER 1 INTRODUCTION Operational civil infrastructure radars deployed around the world today are physi- cally large, high-power, mechanically-rotating systems. Designed for long-range (hun- dreds of kilometers) ...
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A Novel Monopulse Technique for Adaptive Phased Array Radar
... a spatial adaptive array, beam distortion, due to adaptive beamforming, can result in serious deterioration of monopulse ...for spatial adaptive ...
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