查询词典 champ

The geometry strategy of POD using carrier phase epoch-wise differency and P code is studied by the simulated data in order to achieve the decimeter accuracy level. The accessment method of POD results is also discussed. The contributions of this paper are as follows. Firstly, with the analysis of the CHAMP data, the space environment of LEOs and its influence is discussed.

本文主要工作如下：首先，结合CHAMP卫星实例数据，分析了低轨卫星所处的空间环境对GPS信号的影响，研究了6PS卫星星座和LEO卫星星座的摄动运动问题和星载GPS观测误差模型问题，建立了低轨卫星GPS测量信号仿真平台。

With the advent of the CHAMP and GRACE satellite missions, satellite gravimetry has opened a new era featuring high spatial resolution and accuracy. These two missions provide continuous satellite tracking data in a high-low and a low-low satellite-to-satellite tracking scenario.

卫星重力测量之蓬勃发展，使得卫星追踪卫星技术趋近成熟，而低轨卫星CHAMP、GRACE重力卫星任务之成功升空，更是开创了卫星重力测量迈向高精度高解析度的新纪元。

A global gravity field recovery based on energy balance approach using CHAMP kinematic orbits is presented. A method combining the Newton's numerical differential formula and the remove_restore procedure for determining kinematic velocities is developed.

介绍了利用CHAMP几何法轨道恢复地球重力场模型的基本原理和算法，提出了基于牛顿数值微分公式并辅助移去-恢复方法计算卫星速度的算法。

This research process the ionosphere-free triple-differenced carrier phase observation which consist of double frequency GPS observations from the GPS receiver carried on the CHAMP and 40 IGS tracking stations. Besides, the tropospheric correction model, solid earth tide correction, mass center correction of the satellite, earth rotation correction and antenna phase center correction are incorporated. Finally, determine the satellite short-arc orbit with the pure geometry, kinematic, method.

本研究利用CHAMP卫星上装载之GPS接收器所接收之双频观测量与地面上40个IGS追踪站组成三次差分无电离层观测量，并改正观测量中之对流层误差、固体潮误差、质量中心改正、地球自转、天线相位中心偏差等误差量，以纯几何之动态法求定低轨卫星之短弧轨道位置。

Using CHAMP observational data samples, the profiles of atmospheric bending, refractivity, pressure, and temperature were retrieved in turn by the series of signal noise ratio.

利用CHAMP卫星的GPS掩星观测资料，通过观测信噪比序列进行了大气弯曲角、大气折射率、大气压、温度剖面的反演计算；并与相位反演结果进行了比较和讨论。

In 1985, Boris Becker accomplished three feats: he became the youngest male singles champ (17 years, 227 days old), the first German champ, and the first unseeded champ.

在1985年，鲍里斯·贝克尔取得了3项壮举：成为最年轻的男单冠军（17岁227天），第一个德国冠军，第一个非种子选手冠军。

Comparision of the monthly value of ΔC20,ΔC30,ΔC40m,ΔC50 estimated from CHAMP GPS data over one year shows periodic vibration. That is, computing gravity field recovery error in low degree zonal harmonics can effectively present the temporal variation.

求得两部份低阶地谐系数差值ΔC20，ΔC30，ΔC40，ΔC50的变化值，四张图形趋势都约略呈现周期性变化，也就是说从CHAMP低轨卫星资料计算重力，的确可以看出重力球谐系数的时间变化。

Objective The polysaccharide was extracted and purified from Millettia Speciosa Champ.

目的 从牛大力Millettia Speciosa Champ。

Flow cytometry was used to investigated the effects of polysaccharide on mouse lymphocyte proliferation stimulated by Con A,the mechanism of the effects of polysaccharide on the immune system was explored and theoretical and experimental evidence for the clinical application of Millettia Speciosa Champ in treating chronic diseases were drawn.

提取纯化多糖，流式细胞术检测多糖对刀豆蛋白A刺激引起的小鼠T淋巴细胞增殖的影响，探讨牛大力多糖对免疫系统的调节作用机制，为临床用牛大力治疗多种慢性疾病提供理论和实验依据作者：郑元升，蒲含林，麻建军目的从牛大力Millettia Speciosa Champ。

Objective The polysaccharide was extracted and purified from Millettia Speciosa Champ.

作者：郑元升，蒲含林，麻建军目的从牛大力Millettia Speciosa Champ。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。