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Two common methods of GPS signal coarse acquisition are analyzed and compared in this paper, and an optimized method is adopted. Two common algorithms of calculating fine frequency are analyzed and compared and the conics fitting is designed to calculate the fine frequency. Based on the distributing character of Doppler frequency shift, swing frequency style of Doppler frequency shift search is employed.

对比分析了两种常用的GPS信号粗捕获实现方法，设计了一种优化的实现方法；同时对常用的两种精细载波频率算法进行了比较分析，设计了一种二次曲线拟合的方法计算精细载波频率；基于多普勒频移的分布特点，改变以往顺序搜索的方式，采用跳频搜索的方法。

Finally, conjoint analysis was employed for evaluating the experiment's 12 different kinds of maps.

最后则利用联合分析法来对12种地图的参数组合进行设计评估。

Experimental results indicate that block adjustment can reduce the discrepancies for conjugate points between image strips. It is also demonstrated that the mosaicked image is better seamed when tie points are employed in the adjustment.

实验结果显示，加入航带连结点进行光束法区域平差，能有效降低重叠航带间共轭点之相对偏移，并减少镶嵌影像上重叠区影像错开之现象。

Accordingly, if a conjunctional mark should be filled in the C.A.S that has no conjunctional marks, these highly appeared conjunctional marks are usually employed.

相应地，无关联标记的紧缩句若补出关联标记，往往也是这些出现概率高的词语。

The type-T copper–constantan thermocouples with an accuracy of 0.1% of full scale are employed tomeasure air temperatures.

用T型铜-康铜电热偶测量空气温度，精准度0.1% of full scale 。。

They are mainly employed in the construction, trade, service, and education sectors.

他们主要从事建筑，贸易，服务，教育等行业。

Furthermore, the first-order optimality condition and its equivalent reformulations for generalized semi-infinite max-min programming with a non-compact set are presented using the lower-Hadamard directional derivative and subdifferential.2. Chapter 3 studies the gradient-type methods for unconstrained optimization problems. Section 1 proposes a new class of three-term memory gradient methods. The global convergence property of the method is established. Furthermore, in order to improve the convergence property of the method, a new class of memory gradient projection methods is presented with the property that the whole sequence of iterates converges to a solution to the problem under the conditions such as pseudo-convexity and continuous differentiability of objective function. In section 2, two new classes of methods, called gradient-type method with perturbations and hybrid projection method with perturbations, are proposed. In these methods, non-monotone line search technique is employed, which makes them easily executed in computer.

第3章研究了无约束优化问题的梯度型算法，第1节提出了一类新的三项记忆梯度算法，讨论了算法的全局收敛性，进一步提出了一类新的具有更好收敛性质的记忆梯度投影算法，并证明了该算法在函数伪凸的情况下具有整体收敛性，第2节在非单调步长搜索下提出了带扰动项的梯度型算法及其混合投影算法，这两类算法的一个重要特征就是步长采用线搜索确定而不象许多文献中那样要求步长趋于零，这样更容易在计算机上实现，在较弱的条件下证明了这些算法的全局收敛性，数值算例表明了算法的有效性。

Ltd claimed that Mr. Q was never employed under a contract of service but under a contract for service.

公司声称，从来没有和雇先生Q签雇佣合同，而只不过是服务性的合同

My claim will be that the broadly conventionalist ways, which are used to deal with problem cases through time for both persons and material objects, and which can also be employed in cases of counterfactuals concerning origin for bodies, cannot be used for similar counterfactuals concerning persons or minds.

我所主张的是，那些众多的墨守成规者的方式不能被用于简单的涉及到人或心灵的反事实的事情上。那些墨守成规者的方式通过时间来处理人或物质对象的问题事件，也通常应用于涉及到身体起源的反事实事件上。

The LMS algorithm is employed and its convergence behavior is also examined.

我们亦选用最小平方法以适应性地实现此方案并分析其收歛特性。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。