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This paper presents an $$\ell _1$$ ℓ1 -regularized optimization based technique which effectively eliminates the optical misalignment effects encountered in the squint guidance mode with strapdown seekers. We formulated a series of $$\ell _1$$ ℓ1 -regularized optimization problems in order to separate the bias and the gradient components from the measured data, and solved it via the alternating direction...
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