Abstract: A new MOLS/VWFRS code, characterized by a two-dimensional variable-weight optical code that utilizes mutually orthogonal latin square (MOLS) for wavelength hopping and variable weight fixed ...

Introduction: A multidimensional and comprehensive evaluation of the impact of energy conservation and emission reduction (ECER) on residents’ health and welfare is conducive to resolving conflicts ...

作为政策评估和因果推断的黄金标准，双重差分法（Difference-in-Differences, DID）在经济学、管理学等领域的顶刊论文中广泛应用。本文将从核心原理、常见误区、前沿拓展三个维度展开讲解，并附送一份系统的学习规划（含论文复现资源）。 想象两组实验对象 ...

Abstract: Product quantization is an effective strategy for compact feature learning in image retrieval, which generates compact quantization codes of different lengths for varying scenarios. However, ...