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- harmonic amplitude ratio 谐波幅值比
- The principle of DRFM multiple-false targets was expounded and the effect of DRFM quantization digit on harmonic amplitude was analyzed. 阐述了基于DRFM的多假目标干扰基本原理,分析了量化位数对噪声电平的影响。
- The amplitude ratio of the photoplethysmography waveform of red light and infrared light varies with the oxygen saturation of blood. 脉搏血氧仪具有连续、无创、快速、准确监测人体动脉血氧饱和度和心率的功能,现已在临床上发挥重要作用[1]。
- The harmonic amplitude of the non-dipole component increases with time and more quickly in the Southern Hemisphere than that in the Northern, but not an apparent law of periodicity could be confirmed. 非偶极子成分的谐波振幅南半球大于北半球,谐波振幅随时间增大,北半球比南半球增加快,振幅变化率南半球比北半球变化强烈,没有明显的周期规律。
- DSMT4 function can be presented either by the single Nyquist diagram( a polar plot) or by plots of the amplitude ratio and the phase angle against the input(forcing) frequency. 在绘图时通常幅值(比)用分贝表示,相角用度表示,输入信号的频率按常用对数取值。
- In Meniere's disease ears,SP/AP amplitude ratio was positively correlated to pure tone thresholds (?r?= 0.560 1 ?P?< 0.01 ). An elevated SP/AP ratio was found in 73% of the Meniere's ears and 6% of the SNHL ears. 梅尼埃病组 SP/ AP比值与主观纯音听阈呈正相关 (r =0 .;5 6 0 1;P <0
- luminance-chrominance amplitude ratio 亮度彩色信号幅值比
- amplitude ratio of 2T sine squared pulse and bar 2T正弦平方脉冲与条脉冲幅度比
- relative frequency amplitude ratio 相对频率幅值比
- Applicability of regional P/S amplitude ratios for the discrimination of low-magnitude seismic events was tested and proved using earthquakes and explosions in Central Asia. 摘要基于中国新疆及中亚地区大量天然地震和地下爆炸,检验了较大震级情况下得到的区域P/S震相幅值比识别判据对低震级地震事件的适用性。
- Study on geomagnetic anomalies in amplitude ratio before earthquake 震前地磁幅值比异常研究
- The harmonic combination of these tones. 四度和音音调的和谐组合
- Sound waves are measured by their amplitude. 声波是根据其振幅来测量的。
- The peak value and various harmonics' amplitudes of exciting currents or first winding currents increase with DC current linearly. 试验发现,变压器直流偏磁将导致空载电流畸变,空载电流峰值及各次谐波随直流电流的增加直线上升。
- Primary discussion on coda amplitude ratio, time-entropy and its application 尾波振幅比、时间熵及其应用的初步探讨
- The amplitude or loudness of a sound. 音量声音的响度或强度
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- Plain distribution of the amplitude ratio before the M7.8 Tangshan earthquake 唐山7.;8级地震前振幅比的平面分布
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- harmonic amplitude 谐振幅