| 1. | Parameter estimation and error aanalysis of forecasting model of exponential curve
指数曲线预测模型的参数估计与误差分析 |
| 2. | The second one is a brand - new method based on dual - exponential curve transformation
第二种则是依据一个称为双指数曲线转换的全新方法。 |
| 3. | The calculating results showed that elemental average infiltration ratio decreases with the increase of slope degrees
计算结果表明，农田、草地生态单元土壤平均入渗速率随坡度的增加呈指数曲线下降。 |
| 4. | According to the estimate model of step 3 , the curve of the productivity of oil and gas in a layer of a meter can be computed
应用3中建立的预测模型，计算出了单井每米采泊指数及每米采气指数曲线。 |
| 5. | By utilizing the inherent exponential curves , high - linearity components are not necessarily required and the design efforts are relaxed
由于采用的是最自然的指数曲线，所以我们的线路可以不需要高线性度的元件，因而降低了设计上的难度。 |
| 6. | Work of this sort follows an exponential curve , where the initial work is painfully slow , and then accelerates rapidly when the technical dictionary and standards are well established
这样的工作表现为一条指数曲线，开始的工作极为缓慢，然后在技术词典和标准建立后迅速地加速。 |
| 7. | In this article , we use the model of population prediction by modified index curve to forecast the population development of our country in the future , and in the short term , we can see that it has a very good effect
摘要文章应用修正指数曲线模型来预测我国人口的未来发展状况，并从短期来看有比较好的预测效果。 |
| 8. | Furthermore , the dual - exponential curve transformation needs no reference time intervals for calibration , and hence it immunes to the uncertainties such as jitter of the reference inputs
更重要的是，双指数曲线转换的方法不需要参考的时间单位来作为校正输入，因此可以避免参考时间的不确定性如时基抖动所造成的误差。 |
| 9. | In order to verify the feasibility of ann , adopting same training sample the author establishes quadratic curve model and index model of tourism foreign exchange income and cubic curve model and index model of total inbound tourist quantity
为了验证人工神经网络模型的可行性，笔者用同样的训练样本分别建立了旅游外汇收入二次曲线模型、指数曲线模型和入境游客三次曲线模型、指数曲线模型。 |
| 10. | The frequency analysis results show conclusions as follows : 1 . the relative valid spectral power is declined with the volume percentage of inclusions in terms of exponent curve and the tendency of negative direction is same to that of forward direction
当ly12铝合金细小夹杂物(小于0 . 16mm )的体积百分数从0 0 . 35时，在35 50mhz的频带范围内，超声波形的有效谱功率按近似指数曲线快速下降，沿相反方向检测时其变换趋势相同。 |
