Results 1 to 10 of about 205,675 (282)
Dual-Band Filter and Diplexer Design Using Extremely Miniaturized Substrate-Integrated Coaxial Cavity [PDF]
SensorsThis paper presents the design of a dual-band filter and a diplexer using an extremely miniaturized substrate-integrated coaxial cavity (SICC) structure.
Chun-Ming Hung +4 more
doaj +2 more sources
Tecnología y CienciaThe amount of data in today’s communication systems is increasing considerably, which in turn increases the bandwidth needed to deploy a given service. This requires antennas that are capable of operating simultaneously in more than one band.
Juan Eduardo Ise +5 more
doaj +3 more sources
High Efficiency Dual-Band Dual-Circularly Polarized Transmitarray Antenna [PDF]
MicromachinesA dual-band dual-circularly polarized transmitarray antenna (TA) operating in the 28/39 GHz millimeter-wave band is proposed in this article. The TA unit consists of two parts: a broadband linearly polarized (LP) receiving part and a dual-band dual ...
Tianling Zhang +5 more
doaj +2 more sources
IEEE Photonics Journal, 2021 We propose a photonic method to generate and transmit dual-band dual-chirp microwave waveforms based on a dual-polarization dual-parallel Mach-Zehnder modulator (DP-DPMZM).
Lu Wang +6 more
doaj +1 more source
Photonic Generation of Switchable Dual-Band Dual-Chirp Microwave Waveforms
IEEE Photonics Journal, 2022 In this article, a photonic scheme based on dual-drive dual-parallel Mach-Zehnder modulator (DD-DPMZM) to generate switchable dual-band dual-chirp microwave waveforms is proposed and experimentally demonstrated.
Shuaiquan Yu +3 more
doaj +1 more source
Dual-band single-pixel telescope [PDF]
Optics Express, 2020 Single-pixel imaging systems can obtain images from a wide range of wavelengths at low-cost compared to those using conventional multi-pixel, focal-plane array sensors, especially at wavelengths outside the visible spectrum. The ability to sense short-wave infrared radiation with single-pixel techniques extends imaging capability to adverse weather ...
Zhang, Yiwei +4 more
openaire +2 more sources
ISPRS International Journal of Geo-Information, 2021 Since many Wi-Fi routers can currently transmit two-band signals, we aimed to study dual-band Wi-Fi to achieve better positioning results. Thus, this paper proposes a fingerprint positioning method for dual-band Wi-Fi based on Gaussian process regression
Hongji Cao +5 more
doaj +1 more source
Dual-Band General Toeplitz Operators
Mediterranean Journal of Mathematics, 2022 AbstractWe relate dual-band general Toeplitz operators to block truncated Toeplitz operators and, via equivalence after extension, with Toeplitz operators with $$4 \times 4$$ 4 × 4 matrix symbols.
M. Cristina Câmara +2 more
openaire +2 more sources
A Novel Dual Band Branch Line Coupler and its Application to Design a Dual Band 4 × 4 Butler Matrix
IEEE Access, 2020 A novel dual band branch line coupler (BLC) has been proposed, designed, implemented, and analyzed in this paper. A dual band 4 $\times 4$ Butler matrix (BM) has also been developed by employing the proposed BLC.
Aijaz M. Zaidi +4 more
doaj +1 more source
Dual-Band RFID Tag Antenna Based on the Hilbert-Curve Fractal for HF and UHF Applications [PDF]
, 2016 A novel single-radiator card-type tag is proposed which is constructed using a series Hilbert-curve loop and matched stub for high frequency (HF)/ultra high frequency (UHF) dual-band radio frequency identification (RFID) positioning applications.
Alibakhshikenari, Mohammad +4 more
core +1 more source