1) frequencies effect of transient field
瞬变场的频率效应
2) transient effect
瞬变效应
1.
the broadening of wavebeam in the Fresnel region,the transient effect in end-fed array antennas and the broadening of wavebeam caused by bad waveform of exciting pulses.
探讨影响导航雷达方位分辨力的３个理论因素：Ｆｒｅｓｎｅｌ区波束展宽、端馈阵列天线瞬变效应和激励脉冲波形较差引起波束展宽。
2.
Based on Louised s approach, the Kramer - Heisenberg - Dirac (KHD) cross-section expression is extended to involve a transient effect contribution which can be as large as the order of magnitude of KHD erase-section for a short pulse resonance Raman scattering.
本文应用Ｌｏｕｉｓｅｌｌ的方法，推导包括瞬变效应的Ｋｒａｍｅｒ－Ｈｅｉｓｅｎｂｅｒｇ－Ｄｉｒａｃ（ＫＨＤ）散射截面公式。
3) frequency,field
场效频率
4) instantaneous frequency rate(IFR)
瞬时频率变化率
1.
Two kinds of transform——exponential matched-phase transform and complex-lag matched-phase transform are defined,in order to estimate the instantaneous frequency rate(IFR) of a polynomial phase signal with arbitrary order.
通过定义两种新的变换——指数型相位匹配变换和复时间延迟型相位匹配变换,可实现对任意阶次的多项式相位信号(PPS)的瞬时频率变化率(IFR)估计。
6) Frequency effect
频率效应
1.
Frequency effect in reading aloud irregular Chinese characters: an fMRI study;
出声阅读条件下不规则汉字频率效应的功能磁共振成像研究
2.
The frequency effect of a low-MHz bi-beam ultrasonic irradiation;
低频双束超声辐照的频率效应(英文)
3.
It also described the relationship between age of acquisition effect and frequency effect, indicating that frequency is not merely age of acquisition effect in disguise.
该文简要概述了获得年龄数据的收集以及获得年龄在成人词典加工中的作用，重点介绍了获得年龄效应与频率效应的关系的研究，并对获得年龄效应的机制进行了简要的评述。
补充资料：场效应（fieldeffect）
场效应（fieldeffect）
电场对半导体的影响。在电场作用下半导体中自由电子和自由空穴的平衡遭到破坏。如MOS结构在不同的电场作用下，由于电场对半导体内载流子的吸引或排斥作用而在半导体表面附近产生载流子的积累或耗尽，通常把这种半导体表面电导受垂直电场调制的效应称为场效应。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条