low sidelobe linear arrays
Wideband and Low Sidelobe Linear Series Fed Yagi-Like Antenna Array
... a linear series fed Yagi-like antenna array is introduced leading to an end-fire fan beam with low sidelobe level, SLL, high front to back ratio, F/B, and wide impedance ...the arrays are ...
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A Two-Step Method for the Low-Sidelobe Synthesis of Uniform Amplitude Planar Sparse Arrays
... both linear and planar thinned arrays (PTAs), a hybrid method based on the IFT and the algorithm of DE, called IFT-DE, was proposed in [29] for the synthesis of a uniformly amplitude linear sparse ...
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Design of a Low Sidelobe 4D Planar Array Including Mutual Coupling
... 4D linear and planar arrays using various optimization algorithms ...4D arrays have promising potentials for some practical applications, such as harmonic beamforming without phase shifting [12, 13], ...
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Synthesis of Optimal Narrow Beam Low Sidelobe Linear Array with Constrained Length
... Abstract—The synthesis of optimal narrow beam low sidelobe linear array is addressed. Only the length of the array is constrained. The number, the positions and the weightings of the elements are ...
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A Subarray Design Method for Low Sidelobe Levels
... Large antenna arrays are becoming increasingly important in real-world applications due to their high resolution and high power. More antennas usually mean a higher cost of array control devices. Partitioning a ...
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Low sidelobe and wideband characteristics of density tapered arrays for 5G mobile systems
... spaced linear array antennas. In order to achieve low side lobe characteristics, excitation coefficients for array elements are determined by a feeding ...achieving low sidelobe and wide ...
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Realization of Logarithmic Spaced Antenna Arrays for the Generation of Low Sidelobe Radiation Patterns
... realizable sidelobe performance of mirostrip arrays ...spaced arrays, Jeffers presented the successive approximation method and dynamic program method ...spaced arrays with linear, ...
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AMPLITUDE ONLY PATTERN SYNTHESIS OF ARRAYS USING GENETIC ALGORITHMS
... Low sidelobe antenna arrays are becoming an increasingly important component of high performance electronic systems, particularly those operating in heavy clutter and jamming ...relative ...
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A 8x1 Sprout-Shaped Antenna Array with Low Sidelobe Level of -25 dB
... of low SLL linear microstrip arrays that applied Chebyshev amplitude distribution have been studied and ...for low sidelobe microstrip antenna array ...the arrays, the feed is ...
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A Hybrid Algorithm for Synthesizing Linear Sparse Arrays
... aperiodic arrays has attracted growing attentions as a challenging and meaningful ...uniform arrays, aperiodic arrays with unequally-spaced elements have many outstanding advantages, such as easy to ...
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SLL reduction in Antenna array using modified PSOGSA algorithm
... developed, arrays could be used to receive energy (or information) from a specific direction while refusing information or nulling out the energy in unwanted ...Consequently, arrays could be used to ...
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Vol 3, No 4 (2015)
... rectangular arrays, it has been developed a general algorithm that can be extended to consider arrays with different excitations in both: amplitude and phase as well as non-uniform separation between ...
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Low Power LFM Pulse Compression RADAR with Sidelobe suppression
... various sidelobe suppression filters and inverse filters based on integrated sidelobe level and Doppler sensitivity and retains the accuracy of parameters in pulse Doppler radar and suppress the sidelobes ...
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A Low Complexity Direction of Arrival Estimation Algorithm by Reinvestigating the Sparse Structure of Uniform Linear Arrays
... uniform linear arrays (ULAs), which exploits the advantage of the sparse ...uniform linear array extracted from the ULA, the MUSIC spectrum can generate multiple peaks at the true DOAs and several ...
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Large Linear Random Symmetric Arrays
... It is known that random arrays allow mitigating the problem of grating lobes and enlarging the working frequency band. However, the crucial question is to foreseen how the SLL grows up. To this end, different ...
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Analysis and Design of Millimeter-Wave Circularly Polarized Substrate Integrated Travelling-Wave Antennas
... with low losses in the feeding structure and with good design accuracy are ...of linear antenna arrays with above 16 dB gain and low side lobe level (< −25 dB), using different power ...
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Nonuniformly Spaced Linear Array Design for the Specified Beamwidth/Sidelobe Level or Specified Directivity/Sidelobe Level with Coupling Consideration
... the sidelobe levels of uniformly excited N -elements linear arrays by employing unequal ...the sidelobe level to about 2/N times the field intensity of the mainlobe without increasing the ...
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Extended families of 2D arrays with near optimal auto and low cross correlation
... 2D arrays that partially satisfied these criteria were the small and large Kasami sets of sequences folded into ...Costas arrays, invented by John Costas to resolve radar ambiguities, and independently by ...
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Synthesis of a Linear Antenna Array for Maximum Side lobe Level Reduction
... In antenna design, it is required to obtain narrowest main beam width along with low side lobe levels. It was found that as the current amplitude taper from the center to the edges of the array increased, the ...
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Assessment of MVDR Adaptive Beamforming algorithm in uniform linear arrays, uniform rectangular arrays and uniform circular arrays configurations
... With the incoming signals direction known or estimated, the next step is to using the MVDR ABF technique to improve the signal performance of the desired target and nullifying interferences directions. Figure-4 and ...
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