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Implementação do algoritmo rápido CORDIC para aplicações incorporadas

Implementação do algoritmo rápido CORDIC para aplicações incorporadas

Bandenamaj Desai

51,89 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Tecnología: cuestiones generales
ISBN:
9786208578510
51,89 €
IVA incluido
Disponible

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Sobre IBD

OCORDIC é uma classe de algoritmos de deslocação e adição para a rotação de vectores num plano, utilizado para o cálculo de funções trigonométricas, multiplicação, divisão e conversão entre sistemas de números binários e de radix misto de aplicações DSP, como a transformada de Fourier.A potência, a velocidade e a área são parâmetros importantes ao nível da implementação VLSI, sendo a área também importante, uma vez que mais área significa maior custo do sistema. Uma vez que o cálculo das funções elementares domina o tempo de execução da maior parte dos algoritmos DSP, é necessário um algoritmo CORDIC de alta velocidade. O principal inconveniente do algoritmo CORDIC é que, para convergir para N bits de precisão, são necessárias N iterações. Por conseguinte, a velocidade de execução é menor à medida que o número de iterações aumenta, o que também diminui a eficiência.

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