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- W3086223633 abstract "An efficient, noniterative Radix-8 (NR-8) coordinate rotation digital computer (CORDIC) algorithm is proposed for low-latency and high-efficiency computation of the functions of sine, cosine, or the phase shift, with which the values of the functions are precisely computed by only using the angle in a narrow range of [0, π/12] rather than in a wide angle range of [0, π/2]. This algorithm is expressed by a formula that simplifies the traditional iterative processes by using a complex multiplier. The results obtained from the simulation and the experiment on an FPGA show that the NR-8 CORDIC algorithm operates well, with which the 16-bit precision output is extremely precise, with only 0.012% of the absolute error for computing the sine or cosine function with a step of 0.001°. Compared with the best conventional CORDIC algorithm, the clock latency of this algorithm significantly decreases down to less than 50%, only needs half of the logic resources and consumes half of the power. This algorithm also takes advantages over other newly improved CORDIC algorithms and requires less than half of the clock latency, even for a 23-bit precision output. Therefore, this algorithm could provide a potential application in real-time systems such as radar digital beamforming." @default.
- W3086223633 created "2020-09-21" @default.
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- W3086223633 date "2020-09-17" @default.
- W3086223633 modified "2023-09-25" @default.
- W3086223633 title "A Noniterative Radix-8 CORDIC Algorithm with Low Latency and High Efficiency" @default.
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- W3086223633 doi "https://doi.org/10.3390/electronics9091521" @default.
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