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- Applicable to connection of speakers in various sound engineering projects.It transmits low frequency and sound signal. 视频电缆适用于在各类音响工程中作音箱喇叭连接线。传输低频、音频信号。
- Ground roll wave has characteristics of strong energy, low frequency and slow attenuation. 摘要面波具有能量强、频率低、吸收衰减缓慢等特点。
- The inherent frequency and modal testing about end winding of generator stator are introduced,the vibration of end winding on-line monitoring is analyzed,a personal point of view is introduced. 对发电机定子绕组端部固有频率的测试及模态试验分析作了简要的介绍,对端部绕组振动的在线监测作了简要分析,同时提出了一些个人看法。
- There is a low frequency and great amplitude on Benfield frame of Jianfeng chemical plant. 建峰化肥厂苯菲尔车间框架存在大幅低频振荡。
- This paper mainly researches the dynamic characteristic of flexible magnetic levitated rotor,and establishes theory model and calculation model to solve natural frequency and modal. 主要研究了柔性磁悬浮转子的动态特性,并建立了求解其固有频率和振型的理论与计算模型。
- The performance of Low Frequency and Clearness are better when giving the Erhu skin soaking treatment. 琴皮施以浸泡处理时,其浑厚度(低频)与纯净度之表现均较佳;
- The filter has strong resistibility for non- periodic, low frequency and high-order harmonic signals. 经频谱分析可知:所设计的滤波器对非周期、低频振荡信号和高次谐波信号具有较强的抑制作用。
- The Apo occurs at very low frequency and includes antipodal embryo and egg embryo. 无融合生殖胚囊发生比率极低,主要包括反足胚和卵细胞胚;
- A scheme is proposed to derive natural frequencies and modal functions of a beam under the given boundary conditions and moving axially at a constant speed. 提出在给定边界条件下确定一匀速运动梁固有频率和模态函数的方法。
- A new sound absorbing material that is good in sound absorbing at the low frequency and high frequency is made from PVC and rockwool in this paper. 利用PVC和无机物等研制了一种性能优良的吸声材料。
- A simple computational method for the vibration frequencies and modal radiation efficiencies of clamped baf-fled square plate in water is described. 摘要本文提出了一种简便计算置于无限大障板上的方板水中振动频率以及辐射效率的计算方法。
- Results showed that the spectra in frequency domain could be divided into two parts: high frequency and low frequency signals. 结果表明,测量光谱在频域中的信号可被分为两部分:即低频信号和高频信号。
- The seismic reflection characteristics of volcanic rocks are mostly strong amplitude, apparent low frequency and the continuity is bad. 火山岩地震反射特征主要为强振幅、视低频,而且连续性差。
- End frequency defines the final frequency of the chirp like for start frequency (the chirp can start from low frequency and end up on high or opposite way around). 结尾频率定义短促声波的最后的频率相位为起动频率(短促声波可能从低频率开始,在高或相反的区域结束)。
- In order to use transverse vibration frequence and modal shape to identify beam boundary conditions, this paper presents five formulas by using the modified theorem of reciprocal works. 摘要基于修正的功的互等原理,利用杆件横向振动频率及主振型反算杆件边界条件推导出了5个计算公式,并进行了数值计算。
- The compunction programs are simple and there is no need of explicitly evaluating Special functions.It can give accurate data for dispersion characteristics, cut-off frequencies and modal fields. 本法编程十分简单,不涉及特殊函数的繁复计算,有普适性,可精确求得色散曲线、截止频率与模场分布。
- In electronics, undesirable low frequency currents interfering with a desired signal, and usually caused by a poorly screened alternating mains supply. 在电子学领域,一种不希望发生的低频电流,它干扰所要求的信号。通常这种现象是由于交流供电线路屏蔽不良引起的。
- low-frequency and modal dense 低频密集
- The simulation results demonstrate that this approach has high accuracy for the frequency measurement, and strong resistibility for non-periodic, low frequency and high-order harmonic signals. 仿真结果表明:在电网含有较强的非周期、低频和高频谐波信号的条件下,基于这种滤波技术的测频方法具有较高的频率测量精度。
- This term is used to define circuits that can attenuate low frequencies and amplify high frequencies in either the transmit or receive directions, or both. 这个术语用来界定这样的线路,它能削减低频和放大高频,可以是在发射端或者接收端,也可以在两端同时用。