| 1. | At low frequencies , the current in the collector of a transistor is in phase with the applied current at the base
在低频段，晶体管的集电极电流与施加在基级的电流同相。 |
| 2. | High attenuation to low frequency , excellent perform ance of common mode and differential mode interfere nce suppression
极佳的低频段衰减特性，具有良好的共模和差模干扰抑制性能。 |
| 3. | In the end of this chapter , the power spectrum density ( psd ) analysis of hrg is given , which shows that the main noise of hrg is low frequency noise
论文还对陀螺信号进行了功率谱密度分析,分析结果表明陀螺的主要误差都集中在低频段。 |
| 4. | Test results are analyzed in one third octave band spectrums mainly regarding vibration - sensitive instruments and emphasizing on low frequency band
测试结果的分析主要是针对振动敏感仪器的，在频域内采用1 / 3倍频程频谱，重点考虑低频段的地面响应。 |
| 5. | The final results show that the performance of pneumatic load - simulator is satisfying , and the superfluous force , though there exists , is small
实验结果表明气动负载模拟器在低频段有较好的力跟随特性,尽管在气缸换向时有多余力的产生,但幅值较小。 |
| 6. | Then , the radiation efficiency at low frequency and frequency response at high frequency in fluid are computed respectively by both sysnoise software and autosea software
然后结合sysnoise软件和autosea软件分别计算壳体在流场中声辐射效率在低频段和高频段时的频率响应。 |
| 7. | It is proved that when frequency is low , there can be significant discrepancies between them , with frequency increasing , the simplified solutions converge to the new more rigorous one
研究表明它们与本文严格解的差别主要限于低频段，随激振频率的提高，不同解将趋于一致。 |
| 8. | This paper presents our global approach to model tree - trunk scattering at vhf / uhf . in this approach , we consider plane wave scattering ( in time domain ) from the tree trunks above the soil
在vhf uhf低频段，由于树冠对入射脉冲波近似“透明” ，因此树散射的物理模型被简化为树干散射的物理模型。 |
| 9. | Results show that all the parts of the artillery produce vibration acceleration in the traveling course . the power spectrum is mainly in the low frequency segment . worse road surface and higher speed will cause higher power spectrum value of the acceleration response
结果表明火炮牵引行驶过程中各部件均产生振动加速度，其功率谱主要分布在在低频段，路况差、速度高则加速度响应的功率谱值高。 |
| 10. | Analyzing real hrv , proving the every segment power ( high frequency > low frequency ) of projection in frequency axis is times with the every segment power by using fft , the lf / hf by using 2 method is primarily sameness . 3d figure is a trenchancy tool for doctor to look over the relation between time and frequency
对实际的心率变异信号进行了维重庆大学硕士学位论文格纳分析，证实通过计算三维时频分布对频率轴的投影得到的各频段（高频段、低频段等）功率，与直接用fft所得各频段功率，二者只相差一个比例系数，并且二者lf hf的值基本相同。 |
