查询词典 receiver

A theoretical model is built to investigate the simulation of the infrared characteristic of the metal structure with the PCM false target.Structure parameters of the PCM false target that suit for the simulation are investigated numerically.According to the results,further request on the improvement of the thermal conductivity of PCM is presented.An experimental platform is built and the numerical model is validated experimentally.Three key thermal characteristic components of the false tank(barbette,wheel and front armor plate) are manufactured and tested,and good results are obtained.A method for the thermal conductivity enhancing of PCM by using aluminum fins is studied,the influence of the structure parameters of PCM plates to the simulation effects are investigated numerically,and the reasonable configuration parameters of the PCM plates used to simulate the steel plates of different thickness are obtained.In the study of the application of heat convection method in IR false target,a passive infrared simulation system is designed to simulate the infrared characteristic of metal constructions.The system is made up of pipe-plate,pump,receiver,and working fluid.

在相变材料应用于红外示假的研究中，通过数值模拟，研究确定了适用于制作假目标的相变材料各物性参数的范围，分析了相变材料制作假目标的可行性，并根据所得结果，选取石蜡为研究对象，建立了相变材料模拟金属构件红外特征的理论模型，研究了适用于模拟各金属构件红外特征的相变材料假目标的相关结构参数，得出了相变材料假目标模拟各金属构件红外特征的理论结果，并对相变材料的导热系数这一物性提出了进一步的改进要求；搭建了假目标实验平台，验证了所建理论模型的准确性；以坦克假目标为研究对象，制作了炮塔、负重轮和前上装甲板三个坦克假目标的关键红外热特征部件，并进行了野外实验，取得了较好的结果；以添加铝肋片作为改进相变材料导热能力的手段，理论研究了此类导热增强型相变材料的相关结构参数对模拟效果的影响，得出了模拟不同厚度钢板红外特征的导热增强型相变材料的结构参数及模拟效果。

It includes barbette electron parts, bodywork electron parts, vehicle and gun of aim tool, ballistic trajectory computer, orientation navigation systems, vehicle information systems, vehicle integration display, transmitter-receiver, automatic shot flexible, initiative recovery and confront system, many complicated simulation and number electron equipment. In this paper it adopts Ethernet as fieldbus.

论文中涉及到的坦克及装甲车辆武器系统是个复杂的武器系统，包括了炮塔电子部件、车体电子部件、车长和炮长的瞄具、弹道计算机、定位导航系统、车际信息系统、车长综合显示器、电台、自动装弹机以及主动防御与对抗系统在内的大大小小的复杂的模拟或数字电子设备。

The results show that the coupling effect is more prominent than the effect of the source-receiver distance in Barron's model.

结果表明，在Barron模型中耦合效应比声源与接收点的距离影响更大。

Each of them is about 5 times more sensitive than the old receiver, located at the base of the line feed.

每一个的灵敏度都是原来线馈源底部老接收器的5倍以上。

One of the most important issues of pulse position modulation for optical wireless communications is the receiver symbol synchronization subsystem, in this paper, the basic principle of symbol synchronization for PPM sequence is discussed, and the upper limit of exact synchronization probability for random PPM sequence is analyzed.

讨论了PPM序列的符号同步原理；在分析随机PPM序列的精确符号同步概率上限的基础上，给出了一种在PPM序列中插入同步信号来实现PPM精确符号同步的方案及其数字逻辑电路实现。

To take the laser energy fluctuation into consideration, a beam splitter and a laser receiver are added to the traditional design for monitoring the change of laser energy.

这样设计的目的是为了得到遮蔽物释放后无法获得没有遮蔽物时测量处接收机所接收的每个激光脉冲的能量，从而消除脉冲能量起伏对测量精度的影响。

K.（1969）. Mass media believability, a study of receiver judgments.

许剑。新闻媒体与我国当前公共领域的构建。

By electromagnetic theory, for the case that the magnetic dipole source and the receiver are set in seawater, the general expressions of frequency_domain electromagnetic responses for a layered benthal model are deduced. From those, the transient response expressions of three common configurations—vertical magnetic dipole_dipole, central loop, and coincident loop, located on the surface of uniform half_space seafloor, are derived respectively, supposing that seawater is uniform half space, or its depth is finite.

根据电磁场理论，推导了磁偶源和接收点均位于海水中时层状海底模型的频域电磁场响应一般表达式，并通过此式，得到了海水为均匀半空间和有限海水深度两种情况下，垂直磁偶极装置、中心回线和重叠回线分别置于均匀半空间海底表面时的瞬变电磁响应表达式。

His heart thumped audibly as his benumbed hand held the receiver in a desperate grip .

他的心怦怦跳着，痉挛的手死死地攥住电话听筒。

During 3D seismic data acquisition in Berri Block of Saudi Arabia,GPS navigation system was used while shooting,and monitoring shot-point drift on the interface of GPS navigation system,to initially control shot point error. Then,the method was applied to control seismic data acquisition quality,to analyze and examine shot-point drift and receiver-point drift.

在沙特Berri工区三维地震数据采集过程中，首先在放炮时采用GPS导航系统，在导航系统监控软件界面上监测炮点偏移情况，初步控制炮点误差；然后利用基于最小偏移距分选方法对地震数据采集质量进行监控，并对炮点和检波点偏移误差进行分析和检查。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。