双线性

On this basis, sectionalized linearization of bilinear hysteretic structural characteristics and bilinear hysteretic filtering of structural system are put forward.

在此基础上，又提出了双线形滞后体系的随机分段线性化法和双线形滞后体系的随机分段线性滤波器。

The results show that when the linear birefringence is small, the linear birefringence of the bulk glass can be effectively measured by the methods reported in this paper.

研究发现：在线性双折射较小的情况下，通过论文中提出的方法，可较好的测量出块状光学玻璃线性双折射的大小。

A dimeric catalyst is formed from titanium main catalyst and alkylauminium cocatalyst and the copolymerization catalyst is formed from metallocene catalyst and corespondent cocatalyst, and the above-mentioned both catalysts are formed into the invented double-function catalytic system which can directly make ethylene implement dimerization in same polymerization system, and at the same time, produce copolymerization reaction to form linear low-density polyethylene.

一种用于由乙烯合成线性低密度聚乙烯的双功能催化体系，二聚催化剂由钛系主催化剂和烷基铝助催化剂组成，共聚催化剂由茂金属催化剂和相应的助催化剂组成，这两种催化剂组成的双功能催化体系，可在同一聚合体系中，直接使乙烯二聚的同时就地发生共聚反应，生成线性低密度聚乙烯。

At high-frequency voltage, a transformer winding is equivalent to a linear, bilateral passive network which consists of linear resistance, capacitance and inductance. The equivalent model of a transformer winding in different frequency bands can be known by studying the bilateral network.

变压器绕组在较高频率的电压作用下，每个绕组本身均可视为一个由线性电阻、电容、电感等分布参数构成的无源线性双口网络，通过对该双口网络的研究可以得到变压器绕组在各个频段的等效模型。

This invented simplified algorithm is to use sectional linear judgement method or looking-up table method to replace the hyperbolic tangent judgement. The substance is to use sectional linear judgement function L or judgement function T of looking-up table to approach the hyperbolic tangent function tanb.

为了解决这个问题，本发明的双层加权并行干扰对消算法的简化算法用分段线性判决方法或者查表法来代替双曲正切判决，其实质就是用分段线性判决函数L或者查表法的判决函数T逼近双曲正切函数tanh。

Therefore,it is of great importance to measure the linear birefringence inside the optical current sensing head for the property enhancement of the optical current sensors.

线性双折射是光学电流传感头的重要光学参量之一，会明显影响光学电流传感器的性能，因此测量光学传感头内线性双折射的大小对于提高光学电流传感器的性能有重要意义。

It is shown that an exponentially bounded integrated bisemigroups can be considered as the integration of a strongly continuous bisemigroup of bounded linear operators in some subspace of a Banach space with stronger norm topology,and also as the restriction of a strongly continuous bisemigroup of bounded linear operators in a bigger space with weaker norm topology.

证明了Banach空间x上的指数有界积分双半群可以作为x的某个子空间上具有较强范数拓扑下的有界线性算子强连续双半群的积分，同时也可作为较大空间上具有较弱范数拓扑下的有界线性算子强连续双半群积分的限制。

The effects of the linear birefringence and incident polarizing angle upon the performance of a bulk glass optical current sensor are derived and analyzed, a modulation formula to describe the influences of the linear birefringence to the output signal of the sensor is given.The effect of the incident polarizing angle upon the performance of the system and the condition to determine if or not it can exert the influence are also given.

对线性双折射及入射起偏角对光学玻璃电流传感器输出特性的影响进行了理论推导与分析，给出了光学玻璃电流传感器在非理想状态下线性双折射对输出电压的调制函数的数学表达式，并给出了入射起偏角对系统影响的数学表达式及其对系统有无影响的条件。

Through Hilbert transform, a signal's plane trace can be get. There are two frequencies in the tested signal, so the signal's plane trace may be looked as the track of the out pole's end when two poles rotate around parallel axles. Using the knowledge of motion synthesis in theory mechanics, a formula to describing the change of plane trace's step length and angle for two-frequency be get. So we may prolongate the tested signal's plane trace from the echo's initial arriving moment, and get a certain length of the signal's prolongation.

通过Hilbert变换可得到测试信号的平面迹线，测试信号中只含有两个频率成分，视为双频信号，双频信号的平面迹线相当于两连杆绕平行轴转动时外杆杆端迹线，利用理论力学中运动合成和瞬心知识，推导出双频信号平面迹线步长平方满足余弦线性复合函数，而迹线转角可视为线性变化，据此可对回波到来之前的测试信号平面迹线作延长，得到一定长度的信号延展段，信号延展段与实测段作差可得到一次、二次回波的第一个波峰值。

The peakpositions of the TPA spectra of this series of compounds are located at ～950 nm, and thecorresponding maximal TPA cross-section has been measured to be as large as〓.

双光子吸收谱的谱形与线性吸收谱相应波段内的谱形相似，与线性吸收的峰值波长的两倍相比较，双光子吸收峰值波长有微小蓝移。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。