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Real-time implementation of field programmable gate arrays (FPGA) design in hyperspectral imaging
Real-time implementation of field programmable gate arrays (FPGA) design in hyperspectral imaging
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机译:高光谱成像中现场可编程门阵列(FPGA)设计的实时实现
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摘要
A Field Programmable Gate Arrays (FPGA) design uses a Coordinate Rotation DIgital Computer (CORDIC) algorithm that can convert a Givens rotation of a vector to a set of shift-add operations. The CORDIC algorithm can be easily implemented in hardware architecture, therefore in FPGA. Since the computation of the inverse of the data correlation matrix involves a series of Givens rotations, the utility of the CORDIC algorithm allows a causal Constrained Energy Minimization (CEM) to perform real-time processing in FPGA. An FPGA implementation of the causal CEM is described and its detailed architecture is also described.
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