Intelligent optical computation for online optical signal processing. [PDF]
IEEE Sarnoff Symp, 2019 We describe an optical computation technology that can be used for optical communication, sensing and imaging. We demonstrate intelligent optical computation for online signal processing in optical coherence tomography.
Wang Y, Liu X.
europepmc +4 more sources
Ultrafast Optical Signal Processing with Bragg Structures
Applied Sciences, 2017 The phase, amplitude, speed, and polarization, in addition to many other properties of light, can be modulated by photonic Bragg structures. In conjunction with nonlinearity and quantum effects, a variety of ensuing micro- or nano-photonic applications ...
Yikun Liu +4 more
doaj +4 more sources
Full-Optical Logical Gates for Optical Signal Processing
Advances in Electrical and Electronic Engineering, 2008 This paper is dedicated to full-optical logical NOT, AND and NAND gates. In the first section are described logical functions based on Mach-Zehnder interferometric structure.
Miroslav Markovic +2 more
doaj +2 more sources
AN AUTOMATED SOFTWARE FRAMEWORK FOR EVALUATION AND IMPROVEMENT OF ABSOLUTE GEOMETRIC LOCATION ACCURACY OF MULTISPECTRAL REMOTE SENSING SATELLITE IMAGERY [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018 Geometric accuracy is an important parameter for quality assessment of a data product and is vital for certain applications aiming on improving and bringing precision in data products.
Y. Bhateja +3 more
doaj +1 more source
Remote Sensing, 2022 Cloud detection is one of the critical tasks in remote sensing image preprocessing. Remote sensing images usually contain multi-dimensional information, which is not utilized entirely in existing deep learning methods.
Qing Yan +7 more
doaj +1 more source
Parasitic Elements Shorted to Ground to Enhance the Bandwidth of a Dual-Polarized Antenna
International Journal of Antennas and Propagation, 2022 An ultra-wideband dual-polarized antenna covering multiple communication standards such as LTE700/GSM850/GSM900 is proposed in this paper. The antenna consists of two dipoles that are perpendicularly placed to each other. The two dipoles can generate +45°
Haokai Jia, Jinjun Mo, Lin Peng
doaj +1 more source
Combination of deep learning with representation learning in X-ray prohibited item detection
Frontiers in Physics, 2023 During X-ray inspection detection, a detector converts the collected X-rays from objects into electrical signals, which are then transmitted to a computer for image processing and analysis.
Jianghao Rao +8 more
doaj +1 more source
Cooperative radar with signature method for unambiguity [PDF]
Advances in Radio Science, 2019 The increasing availability of off-the-shelf high-frequency components makes radar measurement become popular in mainstream industrial applications. We present a cooperative FM radar for strongly reflective environments, being devised for a range of up ...
S. Müller, A. R. Diewald
doaj +1 more source
MFCD-Net: Cross Attention Based Multimodal Fusion Network for DPC Imagery Cloud Detection
Remote Sensing, 2022 As one kind of remote sensing image (RSI), Directional Polarimetric Camera (DPC) data are of great significance in atmospheric radiation transfer and climate feedback.
Jingjing Zhang +7 more
doaj +1 more source
Probabilistic Shaping for Finite Blocklengths: Distribution Matching and Sphere Shaping
Entropy, 2020 In this paper, we provide a systematic comparison of distribution matching (DM) and sphere shaping (SpSh) algorithms for short blocklength probabilistic amplitude shaping. For asymptotically large blocklengths, constant composition distribution matching (
Yunus Can Gültekin +3 more
doaj +1 more source