In this paper,we investigate the method of compensating LTS SQUID Gradiometer Systems data.By matching the attitude changes of the pod in fl ight to the anomalies of the magnetic measurement data,we find that the yaw ...In this paper,we investigate the method of compensating LTS SQUID Gradiometer Systems data.By matching the attitude changes of the pod in fl ight to the anomalies of the magnetic measurement data,we find that the yaw attitude changes most dramatically and corresponds best to the magnetic data anomaly interval.Based on this finding,we solved the compensation model using least squares fitting and Huber's parametric fitting.By comparison,we found that the Huber parametric fit not only eliminates the interference introduced by attitude changes but also retains richer anomaly source information and therefore obtains a higher signal-to-noise ratio.The experimental results show that the quality of the magnetometry data obtained by using the compensation method proposed in this paper has been significantly improved,and the mean value of its improvement ratio can reach 118.93.展开更多
近日,英国殿堂级音响品牌KEF发布了LSX系列全新LSX II LT无线HiFi扬声器,带来更近在爬尺的高保真听觉盛宴。六十多年来,KEF一直致力于为所有听音爱好者提供卓越的听体验。如今,作为LSX Ⅱ扬声器的轻奢版,LSX II LT无线HiFi扬声器旨在以...近日,英国殿堂级音响品牌KEF发布了LSX系列全新LSX II LT无线HiFi扬声器,带来更近在爬尺的高保真听觉盛宴。六十多年来,KEF一直致力于为所有听音爱好者提供卓越的听体验。如今,作为LSX Ⅱ扬声器的轻奢版,LSX II LT无线HiFi扬声器旨在以更亲民的价格和始终如一的出众性能将KEF动人心弦的高保真音效传至更多音乐爱好者的内心深处。展开更多
基金Earth Observation and Navigation Special,Research on Low Temperature Superconducting Aeromagnetic Vector Gradient Observation Technology(2021YFB3900201)projectState Key Laboratory of Remote Sensing Science project.
文摘In this paper,we investigate the method of compensating LTS SQUID Gradiometer Systems data.By matching the attitude changes of the pod in fl ight to the anomalies of the magnetic measurement data,we find that the yaw attitude changes most dramatically and corresponds best to the magnetic data anomaly interval.Based on this finding,we solved the compensation model using least squares fitting and Huber's parametric fitting.By comparison,we found that the Huber parametric fit not only eliminates the interference introduced by attitude changes but also retains richer anomaly source information and therefore obtains a higher signal-to-noise ratio.The experimental results show that the quality of the magnetometry data obtained by using the compensation method proposed in this paper has been significantly improved,and the mean value of its improvement ratio can reach 118.93.
文摘近日,英国殿堂级音响品牌KEF发布了LSX系列全新LSX II LT无线HiFi扬声器,带来更近在爬尺的高保真听觉盛宴。六十多年来,KEF一直致力于为所有听音爱好者提供卓越的听体验。如今,作为LSX Ⅱ扬声器的轻奢版,LSX II LT无线HiFi扬声器旨在以更亲民的价格和始终如一的出众性能将KEF动人心弦的高保真音效传至更多音乐爱好者的内心深处。
