Results 211 to 220 of about 17,613 (262)
Double-phase metasurface operators for all-optical image processing. [PDF]
Light Sci ApplYu L, Singh HJ, Pietila J, Caglayan H.
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Applied Optics, 1977
We present a new method for the synthesis of sections of a 3-D object from an encoded record of its projections. This record is prepared by spatially multiplexing selected projections of the original object onto a photographic film. The film is then inserted into a coherent optical analyzing system, where an image of one planar section is generated ...
A A, Friesem, I, Glaser
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We present a new method for the synthesis of sections of a 3-D object from an encoded record of its projections. This record is prepared by spatially multiplexing selected projections of the original object onto a photographic film. The film is then inserted into a coherent optical analyzing system, where an image of one planar section is generated ...
A A, Friesem, I, Glaser
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Differential spatial multiplexing
2004 IEEE Wireless Communications and Networking Conference (IEEE Cat. No.04TH8733), 2004In this paper, we present a novel differential space-time (DST) architecture which is well suited for high data-rate applications but requires only a linear decoding complexity. Multiple transmit antennas are divided into groups and DST encoding is applied individually to each group.
Shun K. Cheung, Robert Schober
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2017
Spatial division multiplexing (SDM) by employing few-mode fiber or multi-core fiber is expected to efficiently enhance the capacity of optical networks and overcome the anticipated ‘capacity crunch’ due to fast increasing capacity demand. This chapter first introduces the advantages and state-of-the-art of SDM.
Chen, Haoshuo, Koonen, T.
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Spatial division multiplexing (SDM) by employing few-mode fiber or multi-core fiber is expected to efficiently enhance the capacity of optical networks and overcome the anticipated ‘capacity crunch’ due to fast increasing capacity demand. This chapter first introduces the advantages and state-of-the-art of SDM.
Chen, Haoshuo, Koonen, T.
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Spatially-multiplexed MIMO markers
2015 IEEE Symposium on 3D User Interfaces (3DUI), 2015We present spatially-multiplexed fiducial markers with the framework of code division multiple access (CDMA), which is a technique in the field of communications. Since CDMA based multiplexing is robust to signal noise and interference, multiplexed markers can be demultiplexed under several image noises and transformation.
Hideaki Uchiyama +4 more
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Dynamic Spatial Multiplexing on FPGAs with OpenCL
2021Recent advances in High-Level Synthesis (HLS) allow software developers to offload compute kernels to FPGAs without deep knowledge about low-level hardware description languages. However, this abstraction comes at the cost of control over the bitstream and thus complicates features like partial reconfiguration. We introduce a vendor-agnostic high-level
Pascal Jungblut, Dieter Kranzlmüller
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Trellis coded generalized spatial modulation with spatial multiplexing
2017 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), 2017In this paper, a trellis-coded generalized spatial modulation scheme with spatial multiplexing is presented to achieve higher spectral efficiency. A joint detector for information bits in the spatial domain and constellation domain is also designed. Both the advantages of the Viterbi algorithm for detecting trellis-coded information bits and the sphere
Syu-Siang Long +3 more
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