CAJ | 학술논문

基于A. S. Gurvich等人所提出的非柯尔莫哥洛夫湍流功率谱密度模型，推导了弱起伏条件下的到达角起伏方差，得到了一个解析的结果；然后，利用该结果分析了对流层柯尔莫哥洛夫湍流和平流层非柯尔莫哥洛夫湍流对星光到达角起伏的联合影响。结果表明：星光到达角起伏主要是由对流层柯尔莫哥洛夫湍流决定；对于不同的接收孔径，到达角起伏5%~14%是由平流层非柯尔莫哥洛夫湍流引起的。此外，非柯尔莫哥洛夫湍流对到达角起伏还取决于接收孔径、湍流外尺度及非柯尔莫哥洛夫湍流起伏强度。
기우A. S. Gurvich등인소제출적비가이막가락부단류공솔보밀도모형，추도료약기복조건하적도체각기복방차，득도료일개해석적결과；연후，이용해결과분석료대류층가이막가락부단류화평류층비가이막가락부단류대성광도체각기복적연합영향。결과표명：성광도체각기복주요시유대류층가이막가락부단류결정；대우불동적접수공경，도체각기복5%~14%시유평류층비가이막가락부단류인기적。차외，비가이막가락부단류대도체각기복환취결우접수공경、단류외척도급비가이막가락부단류기복강도。
Based on a power spectrum of non-Kolmogorov turbulence developed by A.S.Gurvich et al, the variance of angle-of-arrival (AOA) fluctuations was derived. The concise closed-form expression was obtained and used to analyze the joint influence of Kolmogorov tropospheric turbulence and non-Kolmogorov stratospheric one on the fluctuations in the angle of arrival (AOA) of starlight. It is shown that the AOA fluctuations of starlight were mainly determined by Kolmogorov tropospheric turbulence. And the non-Kolmogorov stratospheric turbulence was responsible for 5- 14 percent of the total of AOA fluctuations for different receiver apertures in weak fluctuations regime. In addition, the AOA fluctuations induced by non-Kolmogorov turbulence depended on the receiver aperture and the outer scale and the intensity of non-Kolmogorov turbulence .