peak side lobe level reduction
A Fast Deterministic Algorithm for Side Lobe Level Reduction of Open Loop Coplanar Distributed Antenna Arrays in WSNs
... the peak SLL of the array pattern by controlling the nodes transmission ...SLL reduction by adjusting the nodes transmission ...SLL reduction than GA and PSO based techniques which consequently ...
16
1. Sidelobe reduction using frequency modulated pulse compression techniques in radar
... From the Fig.4 to Fig.7 and from Table 1, it is observed that the peak side lobe level is reduced only when the sweep rate is altered at the pulse edges. PSL of two-stage PLFM is reduced by ...
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Constraint-Based Synthesis of Linear Antenna Array Using Modified Invasive Weed Optimization
... suppressing peak side lobe level (PSLL) and for achieving nulls in specified ...significant reduction in peak side lobe level while maintaining strong nulls ...
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Window Function Analysis in OFDM System for PAPR Reduction
... main lobe and the peak level of the side lobes, which respectively determine the ability to resolve comparable strength signals and disparate strength ...low- level sinusoids in an ...
7
Proposing a new variable window for better side lobe reduction
... major lobe width 2π×0.0605 rad/sample whereas the major lobe width of proposed window is ...rad/sample. Peak side lobe level of Kaiser window is ...gives peak side ...
6
Synthesis of Thinned Array with Side Lobe Levels Reduction Using Improved Binary Invasive Weed Optimization
... This paper introduces the use of a improved binary invasive weed optimization algorithm for thinning periodic linear and planar array to obtain the lowest possible peak side lobe level. An ...
10
Side-Lobe Jamming Based on Digital Channelization
... Recently, digital channelized receiver is adopted in electronic welfare, which helps to achieve large bandwidth, high intercept probability, and miniaturization of the jamming system [13]. Despite its advantages, digital ...
10
High-Gain Low Side Lobe Level Fabry Perot Cavity Antenna with Feed Patch Array
... can be made conformal to a surface and do not require feed line network but suffer from low efficiency due to dielectric losses. A number of gain enhancement techniques based on Fabry Perot Cavity (FPC) are reported ...
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A Novel Carrier Indexing Method for Side Lobe Suppression and Bit Error Rate Reduction in NC OFDM Systems
... constrained side lobe concealment profundity (just 43dB) furthermore, increment the computational multifaceted ...the side flap concealment impact, however, the acquaintance of impedance cancellation ...
5
Antenna Array Pattern Synthesis and Wide Null Control Using Enhanced Particle Swarm Optimization
... minimize peak SLL and compared with the results presented in [16] for N = 6 two case studies that are proved to be global minimum ...obtained peak SLL is ...
15
A Novel Approach to Implement Efficient SINR and Side-Lobe Reduction by Using MIMO Radar Covariance Matrix
... The proposed covariance matrix yields gain in SINR compared to MIMO-radar, SINR is close to phased-array and recently proposed phased- MIMO scheme. Suppress the side-lobe levels compared to the ...
6
A Feeding Network with Chebyshev Distribution for Designing Low Side-lobe Level Antenna Arrays
... In this paper, a Chebyshev distribution based feeding network for designing low SLL microstrip antenna arrays has been proposed. The detailed design procedure and calculation have been presented. A feeding network for ...
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Performance Comparison of Various Noisy Audio Signals Analysis Using Different Sampling Rates
... main lobe width, side lobe attenuation, peak amplitude of side lobe and signal to noise ...factor, side lobe attenuation and peak amplitude of side ...
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Design of Octagonal Fractal Array Antenna for Side Lobe Reduction with Morse-Thue Fractal Density Tapering Technique
... distributions for array antennas [2]. This article investigated octagonal fractal array antenna with fractal Morse-Thue distribution of currents. Like fractal shapes, fractal number progressions also obeying self-similar ...
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INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & MANAGEMENT REDUCED IN SIDE LOBE LEVEL (SLL) USING GENETIC ALGORITHM OF SMART ANTENNA SYSTEM Harish Sukumar 1, Sanjeev Kumar2
... A genetic algorithm is a search technique used in computing to find exact or approximate solutions to optimization and search problems. Genetic algorithms are a particular class of evolutionary algorithms (also known as ...
5
TRM ANTENNA FAILURE USING GENETIC ALGORITHM
... that, as a proof of concept demonstration, a small linear array antenna be built and tested, in order to prove the maturity of the concept and in the direction of working out the impending issues at the T/R module as ...
5
Synthesis of Sparse Cylindrical Arrays Using Simulated Annealing Algorithm
... 0.5. Table 1 shows the individual matrix of best array; Fig. 2 shows the far-field radiation pattern of the best array; and its peak side lobe level is −13.124 dB in the entire φ plane. Fig. 3 ...
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A NOVAL METHOD FOR DESIGNING FINITE IMPULSE RESPONSE FILTER USING COMPOSITE WINDOWING TECHNIQUE
... A Composite window based FIR filter is designed and the new composite windows are proposed with better results than individual windows. The relative side lobe attenuation, main lobe width, leakage ...
6
Linear Antenna Array Synthesis using a Hybrid Method of Moments and Genetic Algorithm to Reduce the Side Lobe Level
... is the spacing between array elements, k=2π/λ is the receiving wave number, is the angle between the array broadside to the receiving signal. The SLL reduction for optimised element spacing using MoM/GA was found ...
5
Smart Antenna of Aperiodic Array in Mobile Network
... Lower side lobe level is achieved for smart antenna of aperiodic array which is desired in mobile network for interference ...grating lobe in aperiodic array is more and for aperiodic array ...
5