高频注入法,high-frequency signal injection
1)high-frequency signal injection高频注入法
英文短句/例句
1.The Study on the Sensorless Speed Vector Control System of PMSM Based on High Frequency Signal Injection基于高频注入法永磁同步电机无传感器矢量控制的研究
2.Study on Initial Rotor Position Detection for PMSM Based on Rotating High Frequency Signal Injection基于旋转高频注入法的永磁同步电机转子初始位置检测研究
3.An Application of Kalman Filter in the Method of High-frequency Signal Injection;卡尔曼滤波器在高频信号注入法中的应用
4.A Study on Technique of Detecting the Initial Location of Rotor on Brushless DC Motor with High-frequency Voltage Pulses高频电压脉冲注入法检测BLDCM转子位置研究
5.Research on Sensorless PMSM Control System with Fluctuating High Frequency Signal Injection基于脉振高频信号注入法的PMSM无传感器控制
6.The Study of Permanent Magnet Synchronous Motors Control System That Checks Position Using High Frequency Voltage Signal Injection;采用高频电压信号注入法检测位置的PMSM控制系统研究
7.Study of Sensorless Drive for Permanent Magnet Synchronous Motor Based on High Frequency Signal Injection;基于高频信号注入法的永磁同步电机无传感器控制
8.Tunable photonic microwave generation using optically injected semiconductor laser光注入半导体激光器产生可调谐高频微波
9.Position Sensorless Control of Permanent Magnet Synchronous Motor Based on High-frequency Signal Injection;基于高频信号注入的永磁同步电动机无位置传感器控制
10.Investigation of High Frequency Signal Injection Based Sensorless Operation for PMSM;基于高频注入的永磁同步电动机无传感器运行研究
11.Sensorless Control of Permanent Magnet Synchronous Machine Based on High Frequency Signal Injection and Kalman Filter;基于高频注入和卡尔曼滤波的永磁同步电机无传感器控制
12.The Properties of Superhard Aluminium Alloy Implanted with Nitrogen by High Frequency and Low Voltage Plasma Immersion Ion Implantation高频低压氮等离子体浸没离子注入超硬铝合金表面改性研究
13.HF moulding technology and equipment高频注模技术及设备
14.Studies on Mutation of High-Yield Apple Wine Yeast by Ion-Implanting;离子注入法对高产苹果酒酵母菌的诱变研究
15.An Improved Current-Inpouring Mixer Based on CMOS Technology基于CMOS工艺的改进型电流注入混频器
16.Spectral Sculpting of OFDM Signal for Opportunistic Spectrum AccessOFDM机会频谱接入的信号频谱成型方法
17.The clinical and pharmacokinetic study of DDP nebulized inhalation associate with high frequency oxygen therapy for lung cancer高频加氧雾化吸入顺铂法治疗肺癌的临床及药代动力学研究
18.high output implanter高功率离子注入装置
相关短句/例句
high-frequency signal injection高频信号注入法
1.A detail analysis of the model of BLDC defined by the method ofhigh-frequency signal injection was presented,and the applicability of this method to BLDC was discussed.高频信号注入法已被证明是正弦波永磁同步电机(PMSM)转子位置无传感器检测的一种行之有效的方法,但是该方法对无刷直流电机(BLDC)是否同样适用,迄今还没有清晰的答案。
3)high frequency signal injection高频信号注入法
1.A hybrid rotor position self-sensing approach was investigated in this paper by combining thehigh frequency signal injection method and model reference adaptive system(MRAS) method.基于对高频信号注入法和模型参考自适应法转子位置自检测原理和特性的讨论,提出了一种包含零速在内的全速度范围内均能实现转子位置/速度准确检测和控制的复合方法。
4)high frequency current injection高频电流注入法
5)high frequency injection高频注入
6)Fluctuating high-frequency voltage signal injection脉动高频信号注入法
延伸阅读
甚高频和超高频多普勒雷达工作在30～3000兆赫频段的气象多普勒雷达。一般具有很高的探测灵敏度。因探测高度范围可达1～100公里，所以又称为中层-平流层-对流层雷达 (MST radar)。它主要用于探测晴空大气的风、大气湍流和大气稳定度（见大气静力稳定度）等大气动力学参数的铅直分布。原理 这类雷达通过以下几类电磁波和大气的相互作用,对晴空大气进行探测:①由大气湍流运动引起的折射率不均匀结构对电磁波的散射；②稳定大气分层结构对入射电磁波的部分反射；③有时出现于中层大气的自由电子对电磁波的散射；④中层大气中的流星余迹散射。散射体积内空气的运动，使雷达回波具有多普勒频偏。结构 MST 雷达的结构和气象多普勒雷达大致相同。其特点在于：它们一般配备了大型天线（天线阵），有些甚高频段雷达的天线阵，尺度达 30～200米，采用半波振子阵或八木天线振子阵，以相控方式实现波束扫描。超高频段雷达采用直径几十米的可动抛物面天线，这类雷达的发射功率在几百千瓦至 2兆瓦之间，发射功率和天线面积的乘积值在106～1010瓦·米2之间。此外，为获得高灵敏度和高空间分辨率，在脉冲发射体制和回波数据处理方面，也采取一些技术措施。用途 利用回波的多普勒频谱可以进行下述各项测量：①探测大气风场的铅直分布。同一仰角，空间分辨率约为 150～1000米，采用脉冲压缩技术后，分辨率已可达到15米。②探测大气湍流结构。可以给出平均折射率湍流结构常数(C厒)的铅直分布。再引入一些大气湍流模式后，可以推算出湍流耗散率的铅直分布。③探测对流层顶高度及逆温层的高度和厚度。目前，甚高频和超高频多普勒雷达还只能测定上述气象要素的铅直廓线及其时间变化，而不能给出三维空间分布资料。参考书目K.S.Gage，B.B.Balsley,Doppler Radar Probing of the Clear Atmosphere,Bulletin of American MeteorologicalSociety,Vol.59，No.9，pp.1074～1093，1978.
