爱词霸英语   汉语   手机版   软件版下载 | English
每日一句:正在加载...
1.Theoretical analysis of -3dB frequency bandwidth, transition-frequency bandwidth,-10°frequency bandwidth and -90°frquency bandwidth in electrohydraulic velocity servo system
电液速度伺服系统－3dB频宽、穿越频宽、－10°频宽、－90°频宽的理论分析收藏指正
2.(ii)The resonance frequency of CNCHT is not only decided by natural frequency ofmechanism but also decided by natural frequency of speed loop. Selecting reasonableparameters of servo system and mechanism can enlarge bandwidth and avoidresonance in machine tool.
二、数控强力切削机床的谐振频率不仅取决于机械环节的固有频率,还与速度环等效固有频率有关,合理选择伺服和机械结构参数可以提高系统通频带宽度,有效的避免机床谐振。收藏指正
3.Application of compound control in incteasing frequency bandwidth of passive force servo system
复合控制在提高被动式力伺服系统频宽上的应用收藏指正
4.Equivalent Noise Bandwidth of the Electro Hydraulic Servo System and Analysis of Its Accuracy
电-液伺服系统的等效噪声带宽及其精度分析收藏指正
5.This system has been used as a local oscillator for the 13.7m millillimeter-wave radio telescope of PMO. Its operating frequency range is 75￣115 GHz and the output power is greater than 5 mW. By using the output signal of a servo amplifier to control the bias voltage of the Gunn oscillator, a lock-in bandwidth of more than 100 MHz is achieved.
介绍了采用体效应管压控振荡器的W波段相位锁定系统，该系统在紫金山天文台13．7m毫米波射电望远镜中作为本地振荡器，可复盖75～115GHz的频率范围，输出功率大于5mw．用伺服放大器的输出信号控制体效应振荡器的偏压得到锁定带宽大于100MHz．收藏指正
尝试查询