增益放大 meaning in English
gain amplification
Examples
- The measure module has bigger signal - to - noise ratio because adopting instrumentation amplifier , programmable gain amplifier and accumulate measurement
信号检测模块采用仪表放大、程控增益放大、积累检测方式等措施有效地提高了测量系统的信噪比。 - 2 . as for the intermediate frequency part in integrated circuits ( ic ' s ) , we introduce feedback automatic gain control ( agc ) loop in view of its fargoing dynamic range and convenient precision adjustment , hence stable power of fore - demodulator signal and maximum systematic gain are ensured
2 、中频部分采用集成电路的反馈式自动增益放大环路，动态控制范围大，控制精度调节简便，是系统增益的最大来源，同时也保证了中频解调器前信号的功率稳定。 - After that , this paper briefly introduced the optical splitter ' s characteristics of amplication by calculate a uniformly widen three energy level ratio equation and transmission equation . since providing these theories and results , this paper began to discuss on the material characteristic and the whole craft process in short
然后，本文通过计算均匀加宽三能级结构的速率方程和传输方程，对光分路器的增益放大特性作出了一般的理论分析。在有了以上的理论计算和分析之后，本文概括地讨论了制作光分路器的材料特性和工艺过程。 - The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model , the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters , defect surface angle and shape , pipe material , field intensity , vehicle velocity , background magnetization , operating pressure and remanent magnetization and so on influence the mfl signal characteristics
采用霍尔元件作为缺陷漏磁检测传感器，获得管道轴截面漏磁场切向分量的漏磁信号；研究了缺陷外形尺寸、缺陷倾角和形状、管道材质和磁化强度、检测仪移动速度、管道背底磁场、管内压力和剩磁对漏磁信号的影响。提出了各通道增益放大、各路漏磁信号偏离调整、波形微分、数字滤波和平滑等漏磁信号预处理方法；分析了等空间采样的漏磁信号转换为等时间采样信号的必要性，研究了漏磁信号的小波去噪方法。