查询词典 square wave

By the wave propagation theory, analyse the parallel varistor and filter circuit.

本文利用波过程的基本理论，进行了压敏电阻和滤波电路配合的理论分析。

On the basis of setting up a model of the parallel transmission link of short-wave data communication system, this paper analyses the anti-noise performance of data communication in a non-selective Rayleigh gradually fading ionosphere channel, and derives the average error code rate formular and its curves.

在建立并发制短波数据通信系统模型的基础上，分析了非选择性瑞利慢衰落电离层信道中数据通信抗噪声性能，并导出了平均误码率公式，生成了误码率曲线，为雷达情报短波数据通信链路的仿真及效能评估提供理论依据

The magnitude of current reaches maximum when the incident angle is max (namely, the incident wave is parallel to the strip of MSTL).

在模拟过程中，本文对模型建立、端口设置、激励源设置方法进行了细致深入的研究，给出了终端为短路、匹配、开路三种情况时的有效解决方法。

Disclosed is a leaky-wave dual polarized slot type antenna, including: first and second feeding circuit sections comprised of N-first strip lines and N-second strip lines with a loop every first period along the X-axis on the first dielectric layer and a second period along the Y-axis, in which the N-first strip lines and the N-second strip lines are parallel to each other being alternate, and each length of Ls1 and Ls2 for the first period satisfies the equation of , first and second multi-channel dividers formed at once and the other sides of the first dielectric layer, to connect the N-first strip lines and the N-second strip lines parallel with each other; and first and second central ports formed in the opposite direction of the cavity, each of the feeding circuit sections being connected to the first and second multi-channel dividers; and first and second slot sections being formed by patterning the second shielding layer, in which M-first and M-second slots are arrayed along the direction of the X-axis and each of the first and second slots forms N-row first and N-row second slot arrays, respectively, which cross the first and second strip lines for each, the first slot and the second slot being orthogonal to each other.

公开了一种漏泄波双偏振槽型天线，包括：第一和第二馈电回路部分，其具有沿着X轴在第一介电层每第一周期以及沿着Y轴的第二周期形成具有环路的N第一带状线和N第二带状线，其中N第一带状线和N第二带状线彼此平行并交替，并且对第一周期的各Ls1和Ls2的长度满足等式，第一和第二多通道分配器寻形成在第一介电层的一侧和另外一侧上，以连接彼此平行的N第一带状线和N第二带状线；以及形成在腔的相对方向中的第一和第二中心端口，每个馈电回路部分连接到第一和第二多通道分配器；以及第一和第二槽部分，所述第一和第二槽部分通过对第二屏蔽层形成模式而形成，其中M第一和M第二槽沿着X轴的方向安置，各第一和第二槽分别形成N行第一和N行第二槽阵列，其对每个横过第一和第二带状线，第一槽和第二槽彼此正交。

First, based on coupled wave equations of interaction between pump field. stokes field, acoustic field in SBS processing under stable station, theoretic characteristic parament of SBS are induced, such as gain, threshold, and condition of effective SBS interaction.

首先由受激布里渊散射过程的泵浦场、斯托克斯场和声子场三波相互作用的耦合波方程组，推导出了稳态SBS过程的增益指数、阈值增益，及产生有效SBS相互作用的条件。

This year was the 40th anniversary of the 1968 Democrat convention, which shared parallels with the 2008 Republican convention: a mass demonstration against a party convention – riding on a wave of anti-war ferment – which was met with unprecedented repression by a brutal, paranoiac and deeply unpopular US state.

今年是40周年之际， 1968年民主党的公约，该公约的共同平行的，与2008年的共和党全国代表大会：大规模示威，反对一党公约-骑在一波的反战发酵-这是会见了前所未有的镇压是残酷的， p a ranoiac和深深不受欢迎的美国国务院。

According to the characteristic that the definition point of the Q matrix of wave front is always located on the extremum point on the axis of the beam, a three-dimensional formula for the rectificative factor of phase in complex ray paraxial approximation is proposed, which calculates the rectificative factor of phase directly without considering the calculation of the main directions and curvatures and the rotation of the coordinates, thus simplifying the paraxial approximation calculation by the complex ray expansion method.

根据波前Q矩阵的定义点总位于波束轴上极值点的特点，提出了三维复射线近轴近似相位校正因子计算公式。该公式不用考虑主方向和主曲率的计算和坐标旋转，直接计算相位校正因子，从而简化了复射线展开法的近轴近似计算。

The derivation of the relationship between the paraxial wave equation and the complex source points is given and proved.

推导并证明了旁轴波动方程的解与复源点方法之间的一致性关系。

It is shown that some important concepts about Gaussian beam in the paraxial theory cannot apply to the off-axis Gaussian wave.

结果表明，傍轴光学关于高斯光束的一些重要论断，对远轴高斯波不再适用。

At last, how much wave propagation angle impact the simulation accuracy of paraxial BPM and wide-angle BPM is calculated and analyzed.

此外，光的偏转角度对广角BPM和傍轴BPM的模拟精度究竟有多大影响，这也是许多设计者关心的事情，本文在这方面也做了计算和分析。

You think you're a big shot.

你认为你是一个大人物？

All states are equal, and none can receive special treatment from the federal government.

所有的州都是平等的，任何州都不能获得联邦政府的特别待遇。