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Aircraft navigation system, one or more ground navigation station with the provisions of the frequency of launching radio beacon signal (amplitude wave, audio wave modulation or code), aircraft flight navigation equipment according to the received beacon signal measured or calculated aircraft Solutions relative to the navigation ...

飞机导航系统中，一个或几个地面导航台用规定的频率发射无线电信标信号（等幅波、音频调制波或代码），飞机机上导航设备根据收到的信标信号测出或解算出飞机相对于导航。。。

Results show that it is conditional that amplitude is Raleigh fading orRician fading.

仿真分析了多路径信号的包络和相位的概率分布。

Most of them have 1-3 slender,poorly ramified primarydendrites.(2)IGF-1 enhanced the amplitude of I_in DIV 7d NPY neurons and slightlyshifted the steady-state activation curve to negative potentials,however,the steady-stateinactivation curve was not altered.

结果：(1)NPY神经元在形态上具有明显特点，典型的NPY神经元细胞体较小，成三角形或纺锤形，大部分具有1-3个细小的、不分枝的一级树突。

A random signal of known statistical properties of amplitude, distribution, and spectral density.

振幅、分布及谱密度等的已知统计特性的随机信号。

Based on connotation of intensive land use and the evaluation principle of intensive deployment of city land,this paper establishes a set of scientific and practical index system in evaluating the intensive utilization of city land,and conducts a demonstration analysis in 13 cities of Jiangsu Province by the way of multifactor comprehensive evaluation,rank correlation coefficient and cluster analysis.During the last ten years from 1997 to 2006,the urban land use intensity had increased in all cites,but varied in amplitude and mode in different cities.Urban land use intensity was descending sharply from the southern and the middle to the northern part of Jiangsu Province,in which Nanjing was the tiptop and Suqian was the lowest .

从城市土地集约利用的内涵入手，依据城市土地集约利用评价的原则，从土地利用投入水平、土地利用程度、土地利用效率、土地利用生态环境质量等方面构建了一个具有三级层次结构的城市土地集约利用度评价的指标体系，并在此基础上采用多因素综合评价，秩相关系数和聚类分析的方法以江苏省13个地级市为例进行了实证分析，结果表明：（1）1997～2006年，江苏省13城市土地利用集约度都得到了提高，但是提高的幅度和方式不同；（2）不同城市，苏南、苏中和苏北之间城市土地利用集约度呈现出明显的城市和地域差异，其中，省会南京最高，苏北的宿迁最低。

The rapid development of the quantum vortex makes the second sound wave develop into limiting file, and make the amplitude of the rarefaction part decrease.

量子涡旋的形成与发展使第二声波形成热动激波，并使冷却波的波幅减小；同时测量了不同热流密度下的热动激波的马赫数。

When the geometric similitude ratio of the model to the prototype was determined and the loading similitude condition was satisfied by using similitude theory in structure modeling and experimental techniques, the prototype soil parameters were derived according to the model test result. The vibrating wheel compelled by harmonic exciting force was treated as a lumped mass vibrating system by equation equity method. By using this mechanical model in vibrating compaction, soil parameters were identified according to the equivalence of vibrating differential equation. The curve fitting method of amplitude versus frequency response was used for dynamic simulation based on the systematic dynamic equation of vibrating roller-soil system.

用相似理论与模型试验法在确定了模型与原型之间的几何相似比并满足载荷相似条件后，根据模型试验结果推导出了原型土体参数；用方程对等法把受简谐激振力作用的振动轮等效为集中质量振动系统，以此作为振动压实过程的力学模型，根据振动微分方程的等效条件进行识别；用幅频特性曲线拟合法以振动压路机－土壤系统动力学方程为基础，用计算机进行动态仿真。

A traditional radar provides amplitude information or RCS of a target, but some information on phase is lost.

传统雷达所提供的是和目标相关的幅度和RCS信息，但是相位信息丢失了。

Paper made certain to adopt measure active and reactive component of output power in order to modify output voltage amplitude and phase, then achieved eliminating circulating current and realizing current share.

确立通过采取检测输出功率的有功成分和无功成分，修正输出电压的幅值和相位的办法，达到消除环流的目的，实现均流控制。

After analyzing and comparing two kinds of current control methods of three-phase VSR: indirect current control and direct current control, the author employs the latter as main control scheme, which is to control the phase and amplitude of ac-side current directly, by using dual closed-loop control scheme, through sampling currents of phase a and b and converting them by 3s/2r to get active component and reactive component of ac-side current.

分析比较了三相电压型PWM整流器的两种电流控制方法：间接电流控制和直接电流控制。

Some of them were ligated to the plasmid vector pCR 2.1 andsequenced,respectively.

将所获DNA片段克隆到pCR2.1载体进行测序，并与基因组数据库进行同源性比较。

Thinking since Google owns Blogger, I would be able to escalate this issue to the support team.

自谷歌的思考拥有Blogger的，我将能够缓解这一问题的支持团队。