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PSA possesses strong anti-jamming ability, robust detecting performance, high resolving power and polarization multi-address capability. Therefore, PSA will play an important role in both military and civil areas due to these advantages.

和普通阵列相比,极化敏感阵列具有优越的系统性能:较强的抗干扰能力、稳健的检测能力、较高的分辨能力以及极化多址能力,因此极化敏感阵列具有重要的军事和民事应用价值。

Recordings of the action potential of peroneal nerve trunk showed that the slow conduction fibers (<1m/s) could be activated by the stimulation of SPN with a current intensity of 300μA, but not of DPN.

细胞内记录的资料显示,刺激PF或dPAG也引起几种不同的反应:①有兴奋性突触后电位和动作电位,并有兴奋后超极化现象;②在AP前有超极化现象;③只有EPSP和AP,无明显的兴奋后超极化

Then the nonlinear electric polarization due to torsion is analyzed and the problems of electric field in torsional effect of piezoelectrics are converted into the inner and outer boundary value problems of partial differential equations according to the equivalent principle of electric field.

总结了压电晶体内部非线性极化的形成规律,利用电场的等效原理将这种非线性极化激发的电场的求解问题转化为等效极化电荷体系的电场问题,并归纳成泊松方程的内边值问题和拉普拉斯方程的外边值问题。

In the conformation change process, the second hyperpolarizability values of system and for singlet are negative system (a of 45° and 135° with the exception, and less than the absolute value of all triplets. The second hyperpolarizability values of system for singlet and triplet states are positive and in molecular close plane configuration time, the value of triplet is greater than that of the singlet.

在构象变化过程中,体系和单重态的二阶超极化率均为负值体系(a的45°和135°除外,且绝对值都小于三重态的二阶超极化率值,体系的单三重态二阶超极化率值均为正值,且在分子接近平面构型时,三重态的γ值大于单重态。

Presently there are two types of instrument to detect the polarization of electron beam,one is Mott polarimetry,and another is optical electron polarimetry.

文章首先阐述了光学极化度测量仪的理论基础和实验原理,然后介绍了所研制的光学极化度测量仪的设计方案和物理结构,最后给出了用该光学极化度测量仪测量弱光的Stokes参数的结果

This is due to the highly polarizable oxide ions in the heavy metal glasses and the high polarizability of their cations, and this leads to a high polarizability of the whole molecule and easy distortions of the electron density in a strong electromagnetic field.

这是由于高度极化氧化物离子在重金属眼镜和高极化其阳离子,这导致高极化整个分子和容易扭曲的电子密度,在强电磁领域。

A circularly polarized wave may be resolved into two linearly polarized waves in phase quadrature with their planes of polarization at right angles to each other.

极化波可以在相位正交中分解为两个线形极化波,极化平面彼此成直角。

A first order quasi phase matched periodically poled LiNbO 3 for SHG with 6.5 μm period, 12 mm length, 10 mm width and 0.5 mm thickness has been successfully fabricated by applying an external electric field at room temperature from an high pulsed voltage generator. About 18 mW of CW 0.532 μm green light was obtained pumped by an 1.1 W of CW 1.064 μm Nd∶YAG laser with end coupling, which corresponds to 1.6% power conversion efficiency.

通过高压脉冲电场极化,制备了周期为6.5 μm、长为12 mm、宽为10 mm、厚为0.5 mm的一阶准相位匹配周期性极化铌酸锂;由1.1 W连续1.06 μm Nd:YAG激光器抽运,在5°时产生了约18 mW、0.532 μm的倍频连续绿光,其对应的二次谐波转换效率约为1.6%,二次谐波的归一化转换效率约为1.5% cm-1W-1,相当于79%的周期性极化铌酸锂的理想非线性系数。

So it does not need to solve simultaneous equations of energy and momentum conservation through point-by-point computation.

另外,周期极化晶体的极化周期不可避免地较理想值有一定的偏移,且具有不均匀性,给出了利用实验获得的温度调谐曲线,对极化周期进行修正计算的方法。

Polarization filtering technique is widely used in many fields, for example interference suppression of sky wave in HF radar. Based on the actual wave data of both signal and clutter, the cause for generation of error, way of error reduction and improvement of SIR by using polarization filtering technique are discussed.

极化滤波技术在高频雷达抗天波干扰等领域有着广泛的应用,结合实际雷达测得的目标回波和干扰回波矢量数据,对极化滤波误差产生的原因、减小误差的方法以及利用极化滤波方法提高信干比的有效性进行了详细分析。

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推荐网络例句

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。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?