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- The 3(db) frequency bandwidth is 2 c/s. 3(分贝)带宽是2 c/s。
- Frequency bandwidth and duty ratio are main specifications for the controllable neutron source. 频带宽度与占空比是可控中子源的主要技术指标。
- This method broadens the silence frequency bandwidth of muffler and improves its silence fuction. 这种方法拓宽了消声器的消声频带宽度,改善了消声器的消声性能。
- The scheme can keep frequency bandwidth and symbol rate as the uncoded MFSK system. 该方案可保证频带宽度和符号速率同未编码的MFSK系统一样。
- During the test process,the module operates well at more than 2GHz in -3dB frequency bandwidth. 测试过程中 ;功能模块的光电特性及其均匀性良好 ;测量的 - 3dB频带宽度大于 2GHz.
- Aircraft engine numerates directly frequency bandwidth spent random at 2 o'clock. 机机间接读出任意两点频带宽度。
- Influence of Ridge Width on Its Frequency Bandwidth of Traveling-wave Electroabsorption Modulators[J]. 引用该论文 邢晓波;刘叶新;陈晓文;傅思镜;林位株.
- Analyzed is the dependence of the defocusing quantity on the hologram size and the spatial frequency bandwidth of the object. 分析了全息图尺寸及其记录的空间频带宽度与离焦量的关系;
- And the frequency bandwidth of the imaging system is the key factor to determine the axial resolution of B mode ultrasound diagnostic equipment. 成像系统的频带宽度是决定B超仪纵向(轴向)分辨力的关键因素。
- The effects of radial position and the axial length of the electrode on the temporal frequency bandwidth are similar to the spatial frequency domain. 在时间频域内测量系统相当于带通滤波器,电极的轴向长度和颗粒径向位置对频带宽度的影响与空域频率特性相似;
- So in actual design, guidance system time constant should match the TADS frequency bandwidth to avoid large miss distance. 因此在实际设计中，应匹配具体制导系统的时间常数和稳瞄系统的频带，以避免产生较大脱靶量。
- When the porosity and pore diameter reduced,the sound absorption curve moved to the low frequency zone and the frequency bandwidth increased at the same time. 随着孔隙率、孔径的减小,多孔铝的共振吸声系数有所下降,吸声频谱曲线向低频方向移动,且频带宽度展宽。
- The precision and reliability of seismic velocity inversion are affected by data processing, frequency bandwidth, and low frequency velocity compensation. “三高”处理的优劣、频带宽度、速度低频成分的缺失都会影响地震速度反演的精度和可靠性。
- This paper discussed the two methods of widening the frequency bandwidth of Rogowski coil, and proved the advantages and disadvantages of the both methods by simulation. 探讨了拓宽Rogowski线圈频带宽度的两种方法，通过仿真验证了两种方法各自存在的优缺点。
- The experimental results show that the frequency bandwidth is 22.4% for a 3-dB axial ratio criterion and is 33.85% for a VSWR<2 criterion at the central frequency 10 GHz. 获得的实测结果为:中心频率为10GHz;电压驻波比小于2的带宽为33.;85%25;圆极化轴比小于3dB的带宽为22
- A small MEMS component vibration measuring system using heterodyne laser Doppler technology is proposed. The frequency bandwidth is properly determined by analyzing the frequency of Doppler signal. 提出了一种MEMS构件微小振动、位移测量系统 ;采用外差法激光多普勒技术 ;通过对信号的频谱分析 ;确定了信号处理单元的适宜频带宽度 .
- The discussion in the paper also centered on the influence of velocity,signal-to-noise ratio and frequency bandwidth on application of attributes to the precision of reservoir and oil-bearing prediction. 本文还重点探讨速度、信噪比、频带宽度等因素对应用属性进行储层及含油性预测精度的影响
- In the process that laser of the cavity?s flowing empty slowly adjusting Q export pulse and pulse wave shape is renovated in,it observed that adjusting electricity wave shpae is chaotic with oscillograph of 500 Mz frequency bandwidth. 在对慢调Q腔倒空激光器输出脉冲波形进行整形的过程中，用通频带宽度为500 MHz的示波器观察，发现调制电波形出现混沌。
- According to the results of theoretical analysisand experimental research, this paper gives approximate formulae to predict the frequency bandwidth and the steady-state error of the regulators. 综合理论分析和实验研究结果，绘出了计算该调节器频带宽度和稳态误差的近似公式。
- Contrarily,if the frequency bandwidth of signal is finite,the time length of signal will be infinite when sampling in frequency domain,the time folding phenomenon will certainly happen. 反之;若信号的频带宽度有限;当进行频域抽样时;时域必然发生混叠.
