For a gas well the flow versus the difference of the squares of the average reservoir and wellbore pressures are plotted on log-log paper.
对于气井，在双对数坐标纸上绘出流量对平均储层压力与井筒压力平方差的关系图。
In this paper, we investigate the Constrained Weighted Least Squares (CWLS) algorithms for Time Difference of Arrival (TDOA) based mobile user location in wireless communication systems.
本文主要对无线定位中基于TDOA的一种约束加权最小二乘算法进行了研究。
According to the shifted distance and the phase increment, the mapping relationship between phase difference and depth of object can be determined by a least squares method.
该技术通过平移实物参考面，测得其上位相分布，利用其位移距离与位相增量之间的关系，以最小二乘方法计算位相差与物面深度之间的映射关系。
A necessary and sufficient condition for nonlinear systems to achieve optimal regulator is given by using the return difference condition and completion of the squares argument.
利用返回差条件，借助配方方法讨论非线性系统达到最优调节所必须满足的充要条件。
A necessary and sufficient condition for nonlinear systems to achieve optimal regulator is given by using the return difference condition and completion of the squares argument.
利用返回差条件，借助配方方法讨论非线性系统达到最优调节所必须满足的充要条件。
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