| 1. | Thirdly , after in - depth discussion of theory of polinsar , basic theory of ga used in the inversion procedure is studied
在此基础上,通过遗传算法对参数反演过程进行优化,最终得到地表参数。 |
| 2. | In the inversion , we improve the stability and reduced the multi - solution by introducing the regularization factors in time and space
在反演过程中，通过引入时间和空间正则化因子来改善反演的稳定性，减少反演的多解性。 |
| 3. | The analysis is instructive for future research , though its application is currently limited by the conditions in practice . an in - situ optical monitor system for thin film deposition is developed
虽然最优化方法在实际监控及反演过程中受到应用条件的限制，但是这些分析对于今后工作的指导是很有意义的。 |
| 4. | Therefore , we put forward a new algorithm to invert all data sets collected at different time simultaneously , namely by determining all earth models of different time through only one inversion process
因此，这里提出了一种同时反演所有不同时刻观测数据的新方法，即通过一次反演过程来获得所有不同时刻的地下模型。 |
| 5. | With the auditory model as the front - end to extract the correlogram of signals . following , this paper present the implementation of suditory model inversion procedure by resynthesizing original signal from the correlogra - m
接着，文章阐述了通过实现听觉模型反演过程从信号的自相关图谱中恢复出原始的语音信号的过程。 |
| 6. | The main contents include polarimetric interferometric phase coherence optimization ( pipco ) ; random volume over ground ( rvog ) coherence scattering model and corresponding inversion model ; optimization of inversion procedure using ga
主要内容包括:极化干涉相干最优理论,相干散射模型和反演模型以及基于遗传算法的参数反演过程。 |
| 7. | During the inversion process of velocity and depth parameter , the velocity parameter should be inversed firstly and then do the depth so as to assure the stability of the final results and the reliability of the solution
在参数反演过程中应采用先反演速度参数、再反演深度参数的方案，这样的步骤使得反演结果较稳定，得到的解更为可信。 |
| 8. | ( 2 ) model correction and comparison in the process of conversion from zenith day delay to gps water vapor and precision evaluation . saastamoinen ( sa ) model and hopfield ( h ) for dry delay and bevis model for atmospheric weighted temperature are adopted
( 2 )模型订正与比较在gps水汽反演过程中，一般干延迟和大气加权平均温度的计算是采用“普适性”模型，目前应用较多的有saastamoinen ( sa )模型、 hopfield ( h )模型和bevis模型。 |
| 9. | Different algorithms were compared in the numerical simulation and model experiment of concrete velocity inversion the results showed that , compared with the least - square solutions and the damped least - square solutions , the damped and natural weighted least - square solutions reflected the inner defections of the tested object more reliably and exactly due to the usage of correct priori information , which benefited the suppression of noises and made the iterations of inverse stable and convergent
结果表明，相对于最小二乘法和阻尼最小二乘法，基于自然权的加权阻尼最小二乘算法，由于利用了正确的先验信息，不但使反演过程收敛，而且具有数值稳定、抗噪能力强的优点，其成像结果能真实有效地反映对象内部缺陷，因此更适用于混凝土的超声波速度反演。 |
