| 1. | Logarithmic amplitude characteristic 对数振幅特性 |
| 2. | Channel amplitude characteristic 通路振幅特性 |
| 3. | Frequency - amplitude characteristic 幅频特性 |
| 4. | The ava inversion equation of multiwave in ti media has been set up on the basis of amplitude characteristic equations 进一步根据所建立的ti介质多波振幅特征方程导出了ti介质中多波ava反演方程。 |
| 5. | The comparing between amplitude characteristic equations deduced in this paper and the existed approximate expressions of the reflection and transmission coefficient in ti media and ava modeling has been done for different synthetic data and different theory model 同时将本文建立的方程与现有的几种计算横向各向同性介质中反射、透射系数的近似公式进行了比较,对不同的理论模型和不同的地层条件进行了多波ava正演。 |
| 6. | Ava analysis plays an important role in the multiwave seismic data processing . the anisotropy , however , has an important influence on the ava . therefore , the multiwave amplitude characteristic equation of the anisotropic media should be established and then the ava analysis and parameter inversion could be realized Ava ( amplitudeversusangle -振幅随入射角变化)分析在多波资料处理中有着重要的作用,然而介质各向异性对ava有着重要的影响,因此需要建立各向异性介质中的多波振幅特征方程,以利于多波资料进行ava分析和地层参数反演。 |
| 7. | These are correlation characteristic parameter , fourier spectrum characteristic parameter , power spectrum characteristic parameter , time domain amplitude characteristic parameter , linear prediction coding coefficients , instantaneous characteristic parameter , absorb and decay coefficient , velocity characteristic parameter and wavelet packet transform characteristic parameter . the parameters contain the surface relatively wide , the prediction which is suitable for the goal of many kinds of seism needs 分别为:自相关特征参数、付立叶谱特征参数、功率谱特征参数、时域振幅特征参数、线性预测编码系数、瞬时特征参数、吸收衰减系数、速度类特征参数和小波包变换特征参数,参数涵盖面较宽,适用于多种地质目标的预测需要。 |
| 8. | The authors use a ultrasonic transducer emit ultrasonic to simulated seabed tiny terrain , then analyze and calculate the relativity of amplitude according to the time , phase and amplitude etc included in echo signal and making using of the relativity of amplitude characteristics , at last gain the real - time altitude data of tiny terrain for deep - sea cobalt crusts mining in order to provide the parameter of best cutting depth for the intellectualized mining of excavating head 摘要通过超声波换能器向模拟海底微地形发射超声波,根据回波信号包含的时间、相位和幅度等信息,利用幅度特征相关性进行分析和计算,得出深海钴结壳开采所需要的实时微地形高程数据,为采掘头智能化开采提供最佳切削深度参数。 |
| 9. | The amplitude characteristic equations of p wave and s wave in transverse isotropic media have been deduced by using the method of aki and richards , that is use the border conditions in elastic interface to solve the elastic wave equation and to decide the energy distribution of different types of wave 本文针对横向各向同性介质( ti - transverseisotropy ) ,利用aki和richards的方法,即根据弹性分界面上的边界条件求解弹性波动方程,确定各种波之间的能量分配关系,建立了横向各向同性介质中p波和sv波入射时的振幅特征方程。 |
| 10. | The software development for the studied methods is completed in the fortran and c language . after applying these new methods to the real data inversion , the better geology effect was obtained . it shows that the inversion based on the amplitude characteristic equation has better utility and wide development prospects 本文用fortran和c语言完成了所述方法的应用软件研制工作,并结合实际资料进行了参数反演,取得了较好的效果,说明了用本文建立的振幅特征方程进行横向各向同性介质多波ava参数反演是可行的,且具有广阔的发展前景。 |