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负荷改正
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  loading correction
     CALCULATION OF OCEANIC TIDE LOADING CORRECTION BY CSR4.0+CS MODEL
     用CSR4.0+CS模型计算海潮负荷改正
短句来源
     The tidal gravity observations, recorded with a high precision LaCoste Romberg (LCR) gravimeter ET21 from December 26, 1998 to January 9, 2000 at Zhongshan station in the Antarctic, are comprehensively analyzed. Several commonly adopted global ocean co tidal models, such as Schwiderski, Csr3.0 and Fes96.2, are employed to investigate the loading correction of ocean tides to the tidal gravity observations at Zhongshan station.
     综合分析了LaCoste Romberg (LCR)ET2 1高精度弹簧重力仪 1 998年 1 2月 2 6日至 2 0 0 0年 1月 9日在南极中山站的重力潮汐观测资料 ,采用目前普遍使用的Schwiderski、Csr 3.0和Fes96.2全球海潮模型研究中山站重力潮汐观测的海潮负荷改正问题。
短句来源
     Ocean Tidal Loading Correction to Tilt Observations at Sheshan Station
     佘山台倾斜固体潮观测的海潮负荷改正
短句来源
     Comparison of the final results indicate that the difference of the estimated amplitude factors of the main waves from the corresponding theoretical values in frequency band from 0. 721499 to 3.081255 cycles per day (clad) is at the same order. After the ocean loading correction, the difference is less than 1%.
     比较结果说明,在频率从0.721499到3.081255 cpd的范围内,所估算的主波振幅因子与理论值的差异在同一量级,经海潮负荷改正后,这一差异均小于1%。
     After the oceanic loading correction, the observations from eight sites become closer to the ones of theoretical model.
     8个台站重力潮汐观测经海潮负荷改正后更接近于理论模型。
  “负荷改正”译为未确定词的双语例句
     The numerical results demonstrate that the accuracy of the determined tidal waves and background noises are at the same level for both stations. The averaging efficient for 11 different oceanic models on O1 and M2 waves are 85% and 73% at station Wuhan and 70% and 99% at station Sutherland. The discrepancy between observed tidal gravity amplitude factors and those of theoretical prediction is less than 0.3% after removing oceanic loading signals.
     数值结果说明不同台站测定的潮汐波精度和台站背景噪声水平相当,武汉站O1和M2波11个海图负荷改正的平均有效性为85%和73%,Sutherland站为70%和99%,经海潮负荷改正后的重力潮汐振幅因子与理论模型间的差异小于0.3%。
     Ocean Tide Loading Corrections in GPS Precise Positioning
     GPS精密定位中的海潮负荷改正
短句来源
     Here, the application of CSR4.0+CS model to calculate the leveling tidal load correction on Chinese leveling of second term shows that the influence of the tidal load on the precision of leveling mainly lies on the position of leveling route to offshore region, the nearer the route lies, the greater the influence of correction is, thus the correction can not be ignored.
     对我国第二期水准路线用CSR4 .0 +CS模型计算了海潮负荷改正 ,结果表明 :海潮负荷对高精度水准测量的影响 ,主要取决于水准路线的近海位置 ,越是近海地区越明显 ; 在近海区域 ,这项改正不能忽略。
短句来源
     Meanwhile the gravity loading is calculated using loading theory and a numerical integral convolution technique based on various global ocean tide models developed by methods of the altimetry technology and finite element method with consideration of tidal gauge data as constraints.
     基于卫星测高技术和有限元方法同时考虑验潮站数据作约束条件获得的多个全球海潮模型,利用负荷理论和数值褶积积分技术计算了重力负荷,对周日和半日频段内的重力潮汐参数实施负荷改正,提出了“负荷改正有效性”概念,研究了全球海潮模型适应性. 数值结果说明,海潮改正的有效性高达91% (O1 ,NAO99)和92 % (M2 ,ORI96 ) .
短句来源
     The final results indicate that all the present ocean co tidal models are too uncertain to determine accurately the oceanic correction in the Antarctic region.
     结果表明在南极地区 ,目前的海潮模型存在较大的不确定性 ,还不足以精密确定该区域的海潮负荷改正
短句来源
更多       
  相似匹配句对
     CORRECTION OF SEA-TIDE LOAD IN THE TILT AND STRAIN EARTH TIDE
     倾斜和应变固体潮中的海潮负荷改正
短句来源
     Ocean Tide Loading Corrections in GPS Precise Positioning
     GPS精密定位中的海潮负荷改正
短句来源
     (2) Does the above mentioned the only source of Xu-duan or the other species, D.
     ,现改正为D.
短句来源
     Electric Power Load Control Instrument
     电力负荷控制仪
短句来源
     ELECTRIC LOAD MONITOR SYSTEM
     电力负荷监控系统
短句来源
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  loading correction
The efficiency of the loading correction and the discrepancy between corrected amplitude factors and theoretical ones are analyzed.
      
After loading correction, the averaged tidal gravity parameters for all stations are obtained.
      
Accuracy estimation of loading correction in gravity observation
      
To estimate the loading correction, the convolution integral of tidal height with gravity Green's function is usually adopted.
      
The instrumentation, the calibration, the inertial loading correction, and the dynamic analysis of a concrete beam specimen undergoing three-point impact flexural loading are described.
      
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The precision of loading correction depends on the accuracy of cotidal map and earth

负荷改正的精度取决于海潮图及地球模型的准确性,我们的估算表明,利用褶积积分方法〔1〕,现有的重力负荷改正精度为:M_2波±0.22μgal,O_1波±0.09μgal,利用褶积积分与球谐展开联合计算方法〔2〕,则为:M_2波±0.29μgal,O_1波±0.13μgal.并且起主导作用的是近测站处潮图的误差及模型误差的影响。

High-precision gravimetry is urgently needed to Improve the accuracy of gravity tide correction. By use of available gravity tide observations, calculations of gravity ocean tide corrections in China were made and actual formulas for computing the gravity tide corrections are proposed. With the requirement that the computed error is less than ±1μGal, Chinese territory was divided into four districts in order to make use of formulas. Additionally the theoretacal formulas of gravity tide correction suggested recently...

High-precision gravimetry is urgently needed to Improve the accuracy of gravity tide correction. By use of available gravity tide observations, calculations of gravity ocean tide corrections in China were made and actual formulas for computing the gravity tide corrections are proposed. With the requirement that the computed error is less than ±1μGal, Chinese territory was divided into four districts in order to make use of formulas. Additionally the theoretacal formulas of gravity tide correction suggested recently by foreign scholars have been reviewed, especially the effect of the permanent tide terms (M0 S0 wave) on the tide corrections, which has been neglected before, has been discussed in more detail. Finally, some discussion of the current accuracy of the loading correction of oceanic tides is given.

高精度重力测量迫切要求提高重力潮汐改正的精度,本文应用现有的我国重力潮汐观测成果和海潮重力负荷改正计算结果,提出一组重力潮汐改正的实用计算公式。并且根据计算误差要求小于±1μGal的条件下,将我国划分为四个区,与合适的计算式相对应。此外,对近年来国外学者所提出的理论重力潮汐改正计算公式进行了评述,尤其对过去不曾注意的潮汐永久项(M_0S_0波)在潮汐改正中的影响进行了较详细的讨论。最后还对目前海潮负荷改正的精度提出了一些看法。

In this paper,the gravity tide observation data from 1987 to 1992 at Xiaguan station and from 1990 to 1992 at Lijiang station in Yunnan Province are analyzed with the Nakai preprocessing and Venedikov harmonic methods. After eliminating the ocean effects and meter dynamic inflence, the fundamental tide factors determinated are as follows: δ(01)=1.166±0.001,δ(M2)=1.163±0.000,(01)=-0.38±0.08,(M2)=-0.32±0.08

本文使用Nakai预处理和Venedikov调和分析方法,对滇西地区下关台GS15-227重力仪1987-1992年观测资料和丽江台ET-22重力仪1991-1992年的观测资料进行了分析处理,并对其计算结果进行了仪器动力学特征及惯性和海潮负荷改正,进而确定滇西地区潮汐基准参数为:δ(01)=1.166±0.001,δ(M2)=1.163±0.000,(01)=-0.38±0.08,(M2)=-0.32±0.08

 
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