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A new simple and efficient method for sky region segmentation is proposed. The dark channel algorithm used in the field of image haze removal is further developed for sky region segmentation. The proposed method can simply and efficiently achieve image segmentation without any pretreatment which is required in traditional segmentation methods. This method is also conducive to detecting the distant...
A novel ultra-thin partial silicon-on-insulator (PSOI) LDMOS with n-type buried (n-buried) layer (NBL PSOI LDMOS) is proposed. The new PSOI LDMOS features an n-buried layer underneath the n-type drift (n-drift) region close to the source side, providing a large conductivity region for majority carriers to significantly improve the self-heating effect. A combination of uniform and linear variable doping...
A 300 V thin layer SOI nLDMOS based on reduced surface electric field (RESURF) and multiple field plates (MFP) is proposed in this paper. RESURF principle and MFP technology are adopted to modulate the electric field distribution and improve the breakdown voltage (BV). Device structure parameters are discussed to achieve a trade-off between breakdown voltage and on-resistance. Compared with conventional...
The IEEE 1588 standard could synchronizes independent clocks running on separate nodes of a distributed measurement and control system to a high degree of accuracy and precision. But the standard did not present the method to implement the protocol in detail. An implementation of the IEEE 1588 based on an FPGA is presented in this paper. And the result of the experiment shows this method could achieve...
TDMA scheme is widely used for resolving non-deterministic problem in Ethernet. The message delay of the network is very important for real-time control system. In this paper, message delay in TDMA system is studied. A delay model is built. The probability distribution function and the expectation of message resident time are derived, and the numerical simulation results are presented. These results...
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