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- The main factors which affect the earth-resista nce are the earth model andparameters where the grounding body is buried. 影响电力系统接地电阻的主要因素是接地体所在土壤的模型及参数。
- A clutter simulation method based on the rotational earth model is studied for space-borne bistatic radar (SBBR) configuration. 摘要针对星载双基地雷达系统,研究了基于旋转地球模型的杂波仿真方法。
- Changing model-building formula in traditional layered earth model, the paper presented a blocky structural model-building method for ray-tracing. 本文改变了传统的层状地层的建模方式,提出了一种射线追踪中块状结构的建模方法。
- If Bayesian inference used to describe the problem, the posterior probability density function of earth model describes the solution of a geophysical inverse problem. 若贝叶斯理论被用来描述反演问题的话,则地球模型的后验概率密度函数可以用来描述反演问题的解。
- It is obvious that conventional traveltime equation that based on hyperbolic hypothesis is insufficient to describe the more and more complicated earth model. 显然,常规双曲线时距曲线方程已经不能满足描述地震勘探中日益复杂的地球介质模型的需求。
- 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。
- Five different earth models,which simulating the wet concret,dry concret,wet clay,dry clay and water respectively,are set to analyse the behaviors of the electromagnetic fields between the antenna and ground. 设计了五种不同参数的地球模型,分别模拟均匀的湿混凝土、干混凝土、湿泥土、干泥土和水媒质,用于分析不同媒质条件下天线与地面间电磁场的响应特征。
- In this process,the geocoding image mosaic needs rectification depending on the geodetic datum because of difference of the earth models and map projections used in the image mosaic. 由于两幅图像在地理编码中采用的地图投影方式和地球模型不同,所以在拼接处理时,需要在同一坐标系下通过地学基准转换参数进行修正。
- As an example, the global displacement and stress fields are computed for the Preliminary Reference Earth Model (PREM) proposed and suggested by IGS and IUGG in 1981. The distributions of displacement and stress within the earth are plotted. 作为例子,文中对1981年IGS及IUGG公布并建议采用的“初步参考地球模型”(简称PREM模型)计算了引潮力引起的全球位移场及应力场,给出了模型地球的内部位移及应力的分布曲线。
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- The attraction of the moon for the earth causes the tides. 月球对地球的吸引力造成潮汐。
- PREM(Preliminary Reference Earth Model) PREM模型
- The earth is only a speck in the universe. 地球在宇宙中只不过是一个小点罢了。
- preliminary reference earth model 初始参考地球模型
- How on earth do they manage to rob the bank? 他们到底怎么抢了银行的?
- A number of satellites are now circling the earth. 一些人造卫星现在正环绕地球飞行。
- The machine cast up a big heap of earth. 机器卷起了一大堆泥土。
- The red sun lights up the sky and the earth. 红太阳照亮了天空和大地。
- elastic-viscoelastic earth model 粘弹性地球模型
- Who on earth is that female he's with? 跟他在一起的那个女人究竟是谁?