不确定
发表于 2025-3-23 11:28:32
Research Progress on Passive Modulation in Free-Space Optical Communication,n of the reverse modulation system and the working principle of the reverse modulator are described. Common Modulated Retro-Reflector such as Angle reflector reverse modulator and cat’s-eye reverse modulator are analyzed. The selection of wavelength and the size of optical receiver aperture are disc
偏狂症
发表于 2025-3-23 17:45:42
Adaptive-Threshold Detection Technology,ian maximum likelihood estimation and maximum posterior probability criteria, and the realization of baseband signal demodulation by comparing the received signal with the optimal decision threshold. The typical adaptive threshold detection models based on the minimum mean square error filter, Kalma
继而发生
发表于 2025-3-23 20:48:37
Research Progress on One-to-Many Transmitting Antennas for Optical Wireless Communication, the role of transmitting and receiving coupled optical signals in optical wireless communication, and a pair of multipoint transmitting antennas can expand the applications of optical wireless communication. The development of one-to-multipoint optical antennas at home and abroad is summarized, and
Gobble
发表于 2025-3-23 22:47:18
Acquisition, Pointing, and Tracking,matic aiming. It mainly includes the progress of initial acquisition system, non-common visual axis control system, beam detection system, etc. At the same time, the field experiments of 1.3 km, 5.2 km, 10.2 km, and 100 km distance links are introduced to verify the effectiveness of the APT system.
Ischemia
发表于 2025-3-24 06:16:02
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FLIT
发表于 2025-3-24 06:37:06
Xizheng Ken operation of fuel cells. We show the construction of all torches and accumulators, their technical operating characteristics, the special features and advantages of devices developed and produced in our department and their extremely effective applications in conditions of high ecological requirem
委托
发表于 2025-3-24 14:36:41
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编辑才信任
发表于 2025-3-24 16:23:08
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Eclampsia
发表于 2025-3-24 19:10:08
Xizheng Kelectronics. .The author outlines the prospect of black silicon fabrication and its various applications. As for porous silicon, the book contains a detailed analysis of this material as a precursor of black silicon. This allows it to be possible to carry out correlations between two structural mod
Pert敏捷
发表于 2025-3-25 02:30:53
Xizheng Ke undermining these achievements, as rural black populations are forcibly displaced in their thousands from the very lands they have acquired collective legal titles over. Whereas much academic work has focused on this relatively recent phenomenon of forced displacement, one crucial aspect has often