换能元件
- 与 换能元件 相关的网络例句 [注:此内容来源于网络,仅供参考]
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What makes iPC S20 different from other AiO is its highly configurable design where the frequently-changed components such as hard drive and memory, can be changed without hassles.
别说一体成形电脑带给大家方便不需要考虑元件更换这些事情,但你去光华看看就是有人买 AiO 的时候绝对会问「能不能换硬碟呢?」这样的问题。
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One or both of transmit and receive aperture controls may include preventing some element of the transducer array from transmitting or receiving, calculating weighting apodizations to combine with standard apodizations for each frame, or determining an aperture size based on an f-number for the transducer array for each frame.
发射和接收孔径控制中的一个或二者可以包括:阻止换能器阵列中的某个元件进行发射或接收,针对每一帧计算加权变迹以将其和标准变迹相组合,或者针对每一帧根据换能器阵列的F数来确定孔径尺寸。
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Therefore, it's much more acceptable for students to understand the principle of the Automatic Transmission and the action during the gear shifts and know well the operating principle of the speeder much faster.
此设计在教学当中,能使学生对难懂的自动变速器原理及换挡过程各元件的动作很容易接受,并能在较短时间内掌握汽车自动变速器的工作原理。
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According to the definition and the distribution of VSR's voltage space vector, the introduction of a rule-based SVPWM current control strategy, with non-fixed switching frequency and dual hysteresis loops, that obviously improves the performance of current control. Based on two kinds of control strategies of VSR under unbalanced grid condition, the introduction of a new VSR control strategy featuring undamped-oscillation that simplifies the controller structure and effectively improves VSR's performance under unbalanced grid condition. A systematic description of the state switching in trilogic PWM signal generation of threephase CSR by using the conversion between bilogic and trilogic switching functions.
作者在如下工作的基础上对PWM整流器的一些关键问题提出了自己的研究思路、观点和方法:根据PWM整流器网侧矢量关系,直观地描述了其四象限运行的基本原理及特征;定量分析了VSR、CSR的PWM换相过程及波形特征;引入等效变压器模型并详细分析了VSR、CSR基于d—q模型的动、静态特性;提出了满足四象限有功、无功运行指标时的VSR交流侧电感设计方法;并提出了依据控制系统跟随性和抗扰性性能指标设计VSR、CSR直流侧储能元件的参数计算方法;在研究了VSR电流控制策略基础上,提出了影响VSR电流控制的几个要素,并进行了定量分析;根据VSR空间电压矢量的定义及分布,提出了基于规则控制的不定频滞环空间矢量PWM电流控制策略,并由此提出了具有双滞环特性的不定频滞环优化SVPWM电流控制策略,有效地改进了滞环PWM电流控制性能。
- 推荐网络例句
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Do you know, i need you to come back
你知道吗,我需要你回来
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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。
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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。