场强

The theory and test configuration of the power absorbing clamp measurement method which was applied in the small size equipment under test were introduced.

0引言在理论上，最适宜采用场强测量的方法确定所有类型设备在30MHz以上的抗干扰能力，但在实际应用中有一定的困难，为此研究出了吸收钳测量法。

Major conclutions from this study can be summarized as following:1. On mineralogy, rutiles, apatites, epidotes and vein minerals from UHPM rocks were firstly and systematically studied, by detailed petrography and mineral-chemistry investigation, some mineral or mineral assemblage with special composions or texture were firstly found in UHPM rocks from Sulu-Dabie, for example, corrudum, magnesite, high-Ti biotite and garnet were found as inclusions in rutiles from eclogites, Nb-Fe rutile and zoned Si-Y apatite were found in gneiss, epidote / allanite with euhedral zones like magmatic genesis were found in elogites and gneiss, a lot of minerals with high REE, HFSE, LILE and volatiles were found in veins of gneiss.

在矿物学方面，首次较为系统地研究了超高压变质岩中的金红石、磷灰石、绿帘石等副矿物，并通过详细的岩相学和矿物化学研究，首次在苏鲁-大别超高压变质岩中发现了一些具有特殊成分/结构的矿物或矿物组合，如在榴辉岩金红石中发现了刚玉、菱镁矿、高钛黑云母和石榴石矿物包裹体，在片麻岩中发现了Nb-Fe金红石和具有自形环带结构的高Si-Y磷灰石，在榴辉岩和片麻岩中发现了具有类似岩浆成因的自形生长环带结构的绿帘石/褐帘石，在片麻岩的脉体中发现了大量富含稀土元素REE、高场强元素HFSE(Nb、Ta、Zr、Ti)、大离子亲石元素LILE(K、Th、U、Sr、Ba)，以及挥发性组份(CO_2、F、P、S)的特殊矿物，丰富并提升了超高压变质岩的矿物学研究。2。

According to the theory of electromagnetic field and the theory of error a nalysis,the far field condition for antenna test is discussed,the influence of limited test distance on antenna far field measurement in a microwave anechoic chamber is analysed, and the error model is established.

利用电磁场和误差分析理论，在阐述天线远场测量条件的基础上，分析了微波暗室有限测试距离对天线远场测量的影响，建立了误差模型，并结合实例说明了微波暗室有限测试距离对天线场强测量、增益测量的影响。

Results of variations of the intensity of the scattering field as function of scattering angle and particles radius are presented.

同时给出了Mie散射的散射场强度随散射角的变化以及内部场强随粒子半径的变化。

The model was used to simulate the angular velocity distribution of the liquid Al Si alloy under different magnetic intensity .

在对电磁离心工艺深入分析的基础上，建立了该工艺过程中液态金属角速度分布数学模型·并模拟了不同磁场强度下，液态金属角速度分布·结果表明：为避免铸件产生缩松，在电磁离心铸造过程中，必须有合适的磁场强

The auxiliary differential equation of wave propagation in multiple Lorentz-dispersive and nonlinear media is derived. After the study of the optical pulse propagating in silica optical fiber, the best electric intensities for this material with different length are obtained.

论文中推导了在具有多个洛伦兹色散的非线性媒质中的辅助差分方程，探讨了在石英光纤中光脉冲的传输性质和现象，并得到了在这种媒质中经过不同距离出现光孤子效应时最佳的波源场强值。

We derived Gauss law and Ampere circuital theorem using the concept of solid angle.

用立体角概念和计算式导出高斯定律、安培环路定律，并举实例说明对具有一定对称性的静电场与恒定磁场的场强分布可以较简捷地求

Moreover, the power density in the cavity with two magnetrons working simultaneously is much higher than that with only a single magnetron.

本文还采用了FDTD方法计算了单源激励和两源激励的场分布，结果发现两源工作时腔体内场强明显强于单源激励时的场强。

It is found that these properties are influenced and modulated by that of surface phonons because of the interaction between photons and the surface phonon modes.

通过研究各声子极化激元场强分量在空间的分布，表明由于表面声子模式与光波场的相互作用，场强分布受到表面声子的影响和调制。

Overed in the room. And through simulation test to the room in the method, the article obtains the wireless transmission model in room to carry on the confirmation to this model.Afterwards, carrying on the analysis to the edge field intensity, and determined the edgeantenna installment position. In the choice cover plan process, introduced each kind of supply oscillator use environment and determined the supply oscillator type. Explaining the distributed system, the optical fiber distribution system and so on several distributed ways. On the comparison, it had determined cover ways which the place was suitable. Through a series of improvements, the article has obtained the plan which is finally used, the antenna, the primary device, the skeleton line amplifier and so on. Afterompleting the room covers, in room distribute system will inevitably change the big net original cover situations.

通过对楼内场强进行现场DT测试，归纳出了信号在室内覆盖的薄弱环，并由此对边缘场强进行了分析，确定了边缘天线的安装位置；在选择覆盖方案的过程中，介绍了各种信号源的使用环境，针对各个场所内的电磁环境、场所的结构、楼层高度等各自不同的特点，业主对覆盖提出的不同要求，确定信号源的类型；对天馈分布系统、光纤分布系统等几种分布方式进行了比较，确定了该覆盖场所所适用的方式：通过一系列的方案组合，对几个不同的方案，根据楼域的结构以及业主的要求进行改进，归纳出了最终所采用的方案，由此确定了天线、元器件、干线放大器等的布放位置。

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。