The Bennett distortion model assumes approximately Gaussian post-Hadamard channels and is only leading-order; a fixed Hadamard transform has no finite-dimensional distributional guarantee, and finite-rate correction at b=1 can change C1's selected rank. · CiteArk
The Bennett distortion model assumes approximately Gaussian post-Hadamard channels and is only leading-order; a fixed Hadamard transform has no finite-dimensional distributional guarantee, and finite-rate correction at b=1 can change C1's selected rank.
来源：paper:PDF pp. 9, 14–15, 19–20; distortion-model limitation and Appendices A, D
