frequency class是什么意思

用法例句

Quantitative analysis of relationship between transitory internal friction and frequency during reverse martensitic transformation in Ni_(49.8)Ti_(50.2) alloy;

Ni_(49.8)Ti_(50.2)合金马氏体逆相变的瞬态内耗与频率间关系的定量分析

Influencing analysis of human activities on frequency of red tides(HABs) in Zhejiang Sea Areas;

人类活动对浙江近海赤潮发生频率的影响分析

The Gradient Analysis with Frequency Variation in Optical-electrical Characteristic of Liquid Crystal Light Valve;

液晶光阀特殊光电特性中的陡度随频率变化的分析

A separable approach based on the SVD of a data matrix is proposed to estimate frequencies and bearings of noise sources by a uniform linear array.

本文提出利用均匀线阵接收的数据构造一种矩阵进行奇异值分解，以对频率、方位两参数进行分离估计，用频率谱估计出声源频率，用方位谱估计出声源方位角。

By using CAD software, the influence of mass and spring constant on system natural frequencies and mode shapes is discussed respectively.

本文首先导出了该系统频率和振型的分析表达式,并利用计算机辅助设计软件,分别讨论了质块质量及弹簧常数对系统频率的影响。

The first natural frequency map in working space was drawn,which can be useful for selecting proper working position to avoid resonance or low-order harmonic oscillation.

为了描述柔性并联机器人的弹性动力学性能,分析了机器人振动频率的特征。

The damping property of foamed aluminum at different strain amplitudes and different frequencies is investigated through measuring the damping of the extensive foamed aluminum at ambient temperature and acoustic frequency with audio frequence internal friction analyzer.

本文采用声频内耗仪测定了用熔体发泡法制备的工业用大规格泡沫金属铝在室温下的声频内耗,研究了泡沫金属铝在不同振幅和不同频率下的内耗特征,讨论了其内耗产生的机理。

By instrcting on Jcc-220 volt mutuctor computation, the capacitance-hightened voltage value has been found in volt-resisting test with 200 Hi frequence of power source 1 and inductance voltage value of semi-insulation volt mutual inductor has also been found at the same power source by the further analysis of the.

在引出容升电压概念后，对Ｒ、Ｌ、Ｃ串联电路中容升电压与电源电压角频率的关系进行了分析，并通过对国内现有产品研究结果的进一步分析，以ＪＣＣ；－２２０电压互感器为例推导出在２００Ｈｚ电源频率下进行耐压试验时的容升电压值，并进而求得在２００Ｈｚ电源频率下半绝缘电压互感器的感应电压值。

The results show that this new differential amplifier has the capability of wide-band and frequence compensation in comparison with conventional differential amplifier and is a wide-band differential amplifier.

结果表明：这种新型的差动放大电路与通用的差动放大电路相比，具有宽带频率补偿作用。