| 1. | Specification for measuring depth of focus and best focus 焦深与最佳聚焦的测量规范 |
| 2. | The depth vernier gauges can be used to measure depth and step 深度游标卡尺用于测量深度,台阶等。 |
| 3. | Mean measuring depth 中点测量齿高 |
| 4. | The depth micrometers are widely used to measure depth and step in machining 深度千分尺用于机械加工中的深度,台阶等尺寸的测量。 |
| 5. | Based on this and according to explain the principle of equivalent conductance plane method , point out the advantage that uses apparent portrait conductance parameter to explain the measuring depth data 在此基础上通过对等效导电平面方法原理的阐述,指出了利用视纵向电导参数进行测深资料解释的优越性。 |
| 6. | It can reach the purpose of improving precise . this thesis study the theory of tem measuring depth method , wavelet analysis and differential conductance imaging principle of tem measuring depth data , then the thesis brings forward the tem fast imaging technology based on the wavelet analysis 本文在详细论述了瞬变电磁测深法的基本理论、小波分析的基本理论以及瞬变电磁测深数据的微分电导成像原理的基础上,提出了基于小波分析的tem快速成像技术。 |
| 7. | Because limited by the sampling channel of transient electromagnetic measuring depth fieldwork curve ( generally 20 ~ 40 channels ) , the smoothing degree of fieldwork curve is not very good , it make against the differential imaging treatment . in order to hold the continuous change characters of the curve and seek the voltage exactly , we use the thrice spline insert number function to reconstruct the fieldwork data ; 4 ) t ; 3 .由于受瞬变电磁测深实测曲线取样道的限制(一般为20 ~ 40道) ,实测曲线光滑程度较差,不利于微分成像处理,为了更好的把握曲线连续变化的特征及准确求导,采用了三次样条插值对实测数据进行重构;续 |
| 8. | At the basis of designing underwater geomorphological measurement system concrete plan , this dissertation makes study and analysis on its measuring depth of water sonar system and dynamic global position system . this dissertation simply and thoroughly introduces the state of underwater acoustic transducer and array . it covers the basic situation , the study benefits , the classification and role , analyses the performance index , designs the performance parameter relating to themselves performance synthesis and sonar equation 论文在制定水下地貌测量系统技术方案的基础上,论述了该系统中的水深测量声纳系统和动态定位系统( dgps ) ,分析了水声换能器及基阵的性能指标,确定了换能器及基阵的主要性能参数。 |