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Planar array

Design and performance of acoustic planar array antenna for Doppler sodar

Design and performance of acoustic planar array antenna for Doppler sodar

... off-axis planar antennas have been built and acoustically evaluated the design aspects, measured results and field patterns of an 8x8 acoustic planar array antennas are ...a planar geometry ...

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Design of a Low Sidelobe 4D Planar Array Including Mutual Coupling

Design of a Low Sidelobe 4D Planar Array Including Mutual Coupling

... 4D planar arrays, taking into account the mutual coupling and platform ...4D planar arrays has been reported in [9– 11] where isotropic elements are used, the mutual coupling effect has not been ...a ...

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A 30 GHz
 Planar Array Antenna Using Coupled Lens

A 30 GHz Planar Array Antenna Using Coupled Lens

... Abstract—Measurements of the radiation patterns from a planar array of bow-tie slot antennas coupled through an extended hemispherical lens are reported. The design operates over 10% bandwidth centred at 30 ...

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Impact of Element Spacing on the Radiation Pattern of Planar Array of Monopole Antenna

Impact of Element Spacing on the Radiation Pattern of Planar Array of Monopole Antenna

... designing planar array antennas with high ...of planar array of monopole ...of planar array of monopole ...a planar array of monopole, the directivity can be ...

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An Inexpensive Reconfigurable Planar Array for Wi-Fi Applications

An Inexpensive Reconfigurable Planar Array for Wi-Fi Applications

... Abstract—This work presents the results of the synthesis of a light- weight inexpensive reconfigurable planar array antenna. The antenna structure is based on four circular patches. The sources points and ...

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Multi-Band Orthogonal Linear Polarization Discrimination Planar Array Antenna

Multi-Band Orthogonal Linear Polarization Discrimination Planar Array Antenna

... novel planar array antenna for multi-band linear polarization discrimination is ...proposed array antenna consists of 12 patch elements and a double-balanced ...The array antenna is realized ...

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Direction of Arrival Estimation for Nonuniform Planar Array Based on Piecewise Interpolation Method

Direction of Arrival Estimation for Nonuniform Planar Array Based on Piecewise Interpolation Method

... Abstract—The problem of direction-of-arrival (DOA) estimation by using spectral search for a non-uniform planar array is addressed. New search methods for DOA estimation based on piecewise interpolation are ...

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SIW 2D Planar Array with Four Cross Slots Radiator and Tuning Vias

SIW 2D Planar Array with Four Cross Slots Radiator and Tuning Vias

... (SIW) planar array is presented using a right handed circularly polarized (RHCP) element with four crossed tilted radiating ...designed planar array has been manufactured and measured to ...

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Performance Enhancement of Microstrip Planar Array Antenna With Triangular Shaped Defected Ground Structure

Performance Enhancement of Microstrip Planar Array Antenna With Triangular Shaped Defected Ground Structure

... For obtaining high performance planar array antenna, the exact dimension of each patch element is very important. There is always a tradeoff between any two parameters in design and hence always a patch ...

5

High Gain Linear Polarization Switchable Planar Array Antenna

High Gain Linear Polarization Switchable Planar Array Antenna

... antenna. The array antenna impedance is matched from 3.95 GHz to 4.0 GHz. The simulated resonant frequency for the specified structure used for experiment is 3.93 GHz. The experimental results are almost same as ...

11

Pattern Synthesis for Planar Array Based on Elements Rotation

Pattern Synthesis for Planar Array Based on Elements Rotation

... planes is below −17.7 dB. Compared with the conventional uniformly excited planar antenna array, the maximum relative sidelobe can be reduced by about 5 dB. Meanwhile, it is apparent that the cross- ...

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Design of a UWB Combined Antenna and an Array of Miniaturized Elements with and Without Lens

Design of a UWB Combined Antenna and an Array of Miniaturized Elements with and Without Lens

... a planar array structure. This can worsen the array performance since a distance greater than a wavelength between the array elements creates grating lobes in the patterns and decreases ...

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The Axial Ratio of Planar Arrays with Random Element Errors

The Axial Ratio of Planar Arrays with Random Element Errors

... Random array errors due to manufacturing tolerances, equipment aging, and temperature raise the sidelobe level and lower the gain of phased arrays. Traditionally, random errors in arrays have been analyzed to ...

6

Broad Band Propinquity Coupled Feed Line Micro strip Blotch Antenna for 5G Applications

Broad Band Propinquity Coupled Feed Line Micro strip Blotch Antenna for 5G Applications

... B. Result of planar array configuration of the micro- strip patch antenna with proximity feed technique. An epic insignificant exertion, high-gain millimeter-wave Projection is been shown. The 6 × 5 region ...

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A 5 meter range non-planar CMUT array for Automotive Collision Avoidance

A 5 meter range non-planar CMUT array for Automotive Collision Avoidance

... Wirebonding uses thin wires to connect bond pads on the die to the packaging interconnects. The attachment process uses a combination of heat, pressure and ultrasonic energy. The result of the bonding is a weld ...

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Metamaterial-Based Sensor Design Working in Infrared Frequency Range

Metamaterial-Based Sensor Design Working in Infrared Frequency Range

... Abstract—In this paper, we propose the design of high sensitivity and selectivity metamaterial-based biosensors operating in the THz regime. The proposed sensors consist of planar array of resonant metallic ...

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A Single Layer S/X-Band Series-Fed Shared Aperture Antenna for SAR Applications

A Single Layer S/X-Band Series-Fed Shared Aperture Antenna for SAR Applications

... helical array antenna set at L- and S-bands and realized for navigation satellite systems with concentric phase center located at the two bands is proposed in ...for array synthesis for a reconfigurable ...

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X-Band Dual Polarized Rectangular Patch Antenna Design For Microwave Imaging Application

X-Band Dual Polarized Rectangular Patch Antenna Design For Microwave Imaging Application

... Antenna element is a critical module in the imaging radar which affects the overall performance of the radar. Dual polarization antenna with high gain, wide bandwidth, low weight and suitable for airborne application ...

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Beamforming and Angle of Arrival Estimation of Square Planar Antenna Array

Beamforming and Angle of Arrival Estimation of Square Planar Antenna Array

... an array of sensors are collected, and the objective is to locate point sources assumed to be radiating energy that is detectable by the ...the array, so that the radiation impinging on the array is ...

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A Non-planar CMUT Array for Automotive Blind Spot Detection

A Non-planar CMUT Array for Automotive Blind Spot Detection

... or planar array of ultrasonic sensors is inversely proportional to the frequency, implementation of constant beamwidth broadband beamforming capability over a wide frequency range is a major technological ...

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