释义 |
fre·quence 英ˈfriːkwəns美ˈfrikwənsAHDfrēʹkwəns COCA²⁵⁴³³⁷⁺⁶BNC²³⁶²¹³⁺¹ 基本英英近义反义例句例句 n.频率¹⁰⁰;频繁 =frequency
Noun: the number of occurrences within a given time period;the frequency of modulation was 40 cycles per second the frequency of his seizures increased as he grew older 近义词 oftenness频率frequency频繁
名词100% 用作名词For all optimized configurations, there is no imaginaryfrequencein the vibrational analysis.利用能量梯度法优化构型,对各优化的构型作振动分析,均未出现虚频率。 And we caculated the power of the whole signal,the power of eachfrequencepoint that componented the signal.并在频域对信号的总功率,各频率分量功率,信号周期性以及失真度进行了计算。 The new impactor can adjust the impact energy and frequence independently and steplessly, which hold some flexible properties in the aspect of time, space, surroundings, interchange, software. 新型冲击器可实现冲击能与冲击频率的独立无级调节,具有时间、空间、环境、互换、软件等多种柔性品质。 cnki The paper presents a kind of analysis of frequence- time relation according to characteristic of doppler signal and gives calculating results of a practical signal. 本文根据多卜勒信号的特点,提出一种分析频率—时间关系的方法,并给出一实际信号的计算结果。 dictall |