Influence Analysis of Near-to-Far Field Transformation Schemes on Mueller Matrix Calculation Accuracy of MRTD Scattering Model

Shuai, 胡帅 Hu; Taichang, 高太长 Gao; Lei, 刘磊 Liu; Hao, 李浩 Li; Ming, 陈鸣 Chen; Changwei, 洪昌伟 Hong

doi:10.3788/aos201838.0629002

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“…Therefore, determining a suitable near-far field transformation approach is a critical step for simulating the MRTD scattering model with greater accuracy. Shuai et al conducted a systematic comparison of the simulation accuracy of the Mueller scattering matrixes obtained from two near-far field transformation approaches: surface integration based on Huygens' principle and medium volume integration based on the Helmholtz equation, respectively [109]. The results revealed that the near-far field transformation approach based on the volume integration principle had better performance in terms of the error distribution of the Mueller matrix calculation.…”

Section: ) Mrtdmentioning

confidence: 99%

A Comprehensive Review on Study Methods of Aerosol Optical Properties in Different Dimensions

2023

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A comprehensive understanding of the optical properties of atmospheric aerosol is essential for a variety of applications, such as optical imaging, optical communication, and remote sensing. In recent years, many theories and numerical simulation methods have been developed to connect aerosol physicalchemical properties to their intrinsic and integral optical properties. Usually, simulations and measurements are intertwined to synergistically attain the retrieval of aerosol optical properties and mitigate or even eliminate the adverse impacts of aerosol during imaging, sensing, or communication. This review covers the fundamental theories of aerosol optical properties, the development of numerical simulations, the instrumentbased sampling measurements, and the cutting-edge techniques of remote sensing. Numerical simulations have been progressing from symmetric particles to asymmetric particles over the past two decades, although any simulation method is limited by specific shape and a restricted size parameter range. Thus, this review also examines the most typical advances in aerosol instrumentation that are frequently used to measure the intrinsic optical properties of unknown aerosols. Such obtained properties validate simulations and constitute the basis of integral optical properties. In terms of practical applications, integral optical properties are the most critical knowledge about atmospheric aerosol. Remote sensing measurements, be it ground-based, airborne, or satellite-based, all retrieve integral optical properties of atmospheric aerosol from various perspectives, which are elaborated upon in this review. In conclusion, this review provides an allencompassing comprehension of aerosol optical properties.

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Section: ) Mrtdmentioning

confidence: 99%