Compared with the injected s signal technique, this method is called low frequency AC signal injection method.
交流注入信号频率本文选择60 Hz，相对与S信号注入法，称为低频交流注入法。
Finally, the stator resistance effect of rotor position estimation in high frequency voltage signal injection is investigated.
最后，探讨了旋转、脉动高频电压信号注入法下定子电阻对转子位置估算影响的问题。
A method to implement sensorless control of Surface Mounted PMSM based on fluctuating high frequency voltage signal injection was introduced.
本文介绍了一种基于脉动高频电压信号注入法实现面装式永磁同步电机无传感器控制的方法。
Position and speed are obtained by an observer using a voltage and an inductance motor model together with test signal injection at low speed.
采用含电机电压模型和电机电感模型的观测器，在低速时注入测试信号，可以得到位置和速度信号。
The principles of using signal injection method to detect single-phase earth fault of distribution network at present are compared and analyzed.
对目前配网采用信号注入法检测单相接地故障的原理进行比较分析。
It is composed of a signal injection device, wireless nodes, a wireless process unit at the switch station and an intelligent fault detection system.
该系统由信号注入装置、无线节点、开关站无线处理单元和智能故障信息处理系统构成。
A series of TY protections based on the s's signal injection method have been widely applied to fault line selection and fault location in power systems in China.
基于“S注入法”的选线定位保护新原理的TY系列选线定位保护已大量运行于国内电力系统。
Two methods, which are called as a small test-signal injection and the differential transformer, are studied in order to detect the rotor displacement without sensor.
研究了转子位移无传感器检测的两种方法，即小信号注入测试法和差动变压器测试法。
The detection method of low frequency signal injection, which is widely used, is easily influenced by the capacitors between ground and each branch and by the ring net.
目前广泛使用的低频信号检测法容易受到直流系统支路中存在的对地分布电容和环网的影响。
The paper analyzes the method of low frequency signal injection, which is usually used to detect DC system grounding fault, and advances the method based on wavelet transforms.
分析了低频信号注入法，并且针对其缺陷提出了基于小波变换的检测方案。
The signal injection method is widely used for automatic selecting fault line in indirectly earthed power system, which has great effect in the system of single-phase ground fault.
注入信号法是一种效果较好的选线方法，其原理广泛应用于小电流接地系统单相接地故障的自动选线。
To satisfy the need of hardware-in-the-loop simulation of four-element infrared seeker, a method of dynamic infrared scene generation based on "direct signal injection" was proposed.
针对四元红外导引头半实物仿真任务的需要，提出基于“直接信号注入”的动态红外场景生成技术。
The method employed high-frequency voltage-signal injection to make motor form a high-frequency current-vector, of which the negative component current contained rotor space-position information.
该方法采用高频电压载波注入方式形成高频电流矢量，其负序分量包含了转子空间位置信息。
Conclusions: Kanglaite Injection can inhibit tumor angiopoiesis, its mechanism and regulate related to VEGF/VEGFR-2 signal conduct.
结论：康莱特能在一定程度上抑制肿瘤血管生成，其作用机制与调控VEGF／VEGFR-2信号传导有关。
Based on an s injection method of reducing work frequency, a novel signal generator is developed.
介绍一种降低频率的S注入法信号发生装置。
In this paper, the small signal port characteristics is established by the "perturbation signal feedback injection method", which lays a foundation of the system stability analysis.
本文在对系统进行适当简化的前提下，采用“扰动信号反馈注入法”建立了系统的小扰动端口特性，为系统的静态稳定性分析奠定了基础。
For obtaining a pulse series with a small amplitude ripple, an Erbium-doped Fiber Amplifier (EDFA) must be added into the primary experiment setup to enhance injection-modulation signal power.
为了获得振幅均衡的有理数谐波锁模脉冲，必须在原有的实验装置中添加一个掺铒光纤放大器(EDFA)以提高注入调制光信号功率。
The relative rotational movement causes at least two parts of the injection device to abut or engage, and this abutment or engagement causes the non-visual feedback signal to be generated.
相对旋转运动使得注射装置的至少两个部分邻接或接合，并且这种邻接或接合使得产生非视觉反馈信号。
Intravenous injection into rats showed no detectable signal in the liver within the first 2 h.
大鼠静脉注射入显示在肝脏中没有检测到信号，在第2小时之内。
After presenting the principle of neutral point pulse width injection methods, the choosing methods of neutral point injected signal and the neutral point connecting resistance are discussed;
在介绍中性点脉宽注入法原理的基础上，讨论了中性点注入信号和中性点接入电阻的选取方法；
For example, the characteristics of data acquisition system for sample oil pressure signal of an injection system are of high speed, and special synchronization.
如对喷油系统油压信号的采集，即需要具有高速采集数据的性能，又要能满足特殊同步的要求。
In this paper, an intelligent real-time control system based on DSP (digital signal processor) for oil field water injection is introduced.
介绍一种以dsp(数字信号处理器)为核心的油田注水智能实时控制系统。
The ECU accomplishes the fast energizing of the solenoid valve by driving circuit with high frequency PWM, and detects the start of injection by the differential signal of driving current.
采用高频脉宽调制功率驱动电路进行电磁阀的高速强力驱动，并利用电流微分信号有效反馈了控制阀关闭始点。
The paper introduces a new rotating speed measuring method for diesel engine utilizing pressure pulse signal on the tube wall of high pressure fuel injection system of diesel engine.
本文介绍一种利用柴油机高压泵喷油管壁上的压力波脉冲信号，来测量柴油机转速的新方法。
In this paper, six wavelet functions were selected for the analysis of time-frequency characteristics of the pressure wave signal in fuel injection system of a diesel engine.
通过选用六种不同的小波函数，对柴油机喷油系统压力波信号的时频特性进行了小波分析研究。
On MRI, the tumor showed a slightly low signal on T1-weighted images, a high signal on T2-weighted images, and poor enhancement after gadolinium injection.
磁振造影检查，这类肿瘤在T1影像是呈现低讯号强度，T2影像是呈现稍微高讯号强度，打过显影剂以后肿瘤只呈现轻微的显影。
Most systems require a signal from the injection unit to initiate the cycle.
大多数系统需要注射机的注射系统提供信号来启动水辅程序。
A rise in the hydraulic pressure during injection could be used to signal the switchover.
压力的增加可以用来给转换发个信号。
A rise in the hydraulic pressure during injection could be used to signal the switchover.
压力的增加可以用来给转换发个信号。
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