测高

This project also solves the problem of combining satellite altimetry and oceanphysical data, which realizes the discerption of sea geoid and sea topography.

解决了在复杂的海洋动力模式下将卫星测高与海洋表层观测数据进行融合处理的问题，实现海洋大地水准面与海面地形的分离。

Satellite altimetry ; normal point ; means of power of distance ; beeline fitting

卫星测高；正常点；距离加权平均；直线拟合

Monitoring level fluctuation of lake in Yangtze River basin by altimetry.

利用卫星测高资料监测长江中下游湖泊水位变化。

Merged altimetry sea level anomaly data over China seas for more than 14 years is analyzed using the Empirical Orthogonal Function method. The spatial and temporal characteristics of sea level variability over Yellow Sea, East China Sea and South China Sea are presented, respectively.

用经验正交函数分析方法，对中国近海14年多的测高海平面同化格网资料进行分析，给出了黄海、东海和南海各海平面变化主要主成分的空间变化和时间变化特征。

An instrument for determining elevation, especially an aneroid barometer used in aircraft that senses pressure changes accompanying changes in altitude.

测高仪，高度计一种测量高度的仪器，尤指飞机中的无液气压表，其可以测出伴随高度变化的压力变化

The fundamental principle of barometry was theoretically analyzed; the function between air pressure and actual altitude above sea-level in certain height range was derived; the algorithm adapted to MCU realiza...

本文从理论上分析了气压测高的基本原理，推算了在一定高度空间内，大气压力与实际海平面高度值的关系函数，使用最小二乘法和线性插值法推算适应单片机处理的算法，并且保证了计算结果的误差范围，分析了各种误差可能对结果产生的影响。

Three altimeter data——Geosat/GM, ERS-1/35day and Topex/Poseidon, and two gravity recovery methods —— inverse Stokes formula with 2DFFT and along-track vertical deflection with 1D Hilbert Transform, are used in this section. The second method is developed independently by author on the basis of the Laplace's equation in Cartesian system.

主要利用三颗卫星测高数据——Geosat/GM、ERS-1和Topex/Poseidon，采用了两种不同的重力异常恢复技术——Stokes公式逆运算+FFT处理和改进后的沿轨迹垂线偏差恢复法，构造了两个区域大小不同、分辨率不同(30'×30'和2'×2')但精度大体相同(10mGal)的重力异常——IGG97和IGG99S。

A set of new formulas for computing the position and time of crossover points is presented.

本文给出了一组新的计算交叉点位置和时间的公式，这组公式利用测高卫星精密重复轨道的特点，不需要从星历表中读取每个弧段在赤道上的位置及穿越赤道的时间。

In addition, based on the improved model and error propagation law, an elevation error estimation formula is derived. It gives the definite effect of the baseline length and angle on the elevation accuracy.

另外，基于改进的高程模型，推导出了高程测量误差传播公式，明确了基线长度和方向对测高精度的影响，对合理选择干涉像对具有指导意义。

With the development of computer technology, the management of water-seal gasholder use remote monitor, mainly including gasholder video monitor, altimeter and computer monitoring system in order to ensure it safety operation.

随着计算机技术的日新月异，湿式储气柜的管理上采用了远程监测设备，主要有储气柜视频监视，储气柜测高仪以及计算机监测系统，以保证储气柜的安全运行。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。