这种卡是根据无线频率感应原理工作的,付款时只要将卡靠近商家的支付终端便可以显示详细交易清单并完成支付。
The card works by a radio-frequency detection method that requires the card only to be placed close to the merchant's terminal for the details of the transaction to be transferred and logged.
现在部分车型具有自动感应雨量大小的功能,它能根据实际雨量大小来智能调整雨刷工作的频率,让你能做到全心全意开车。
Now some models with automatic induction rainfall size function, it can adjust according to the actual work of intelligent wiper rainfall frequency, so that you can do with driving.
主要研究适用于高开关频率变频器驱动的感应电动机数学模型。
Inductive motor mathematics model suitable for high switching frequency inverter drive is described in this paper.
介绍了用于感应电机起动的离散频率控制方法。
A discrete frequency control method is proposed for thyristorized static switch.
铁道机车车辆牵引领域中的转矩控制是利用脉冲发生器(PG)来检测牵引感应电动机的转子频率。
The Pulse Generators PGs are equipped to detect the rotor frequency of induction traction motors for the torque control in railway vehicle traction field.
在感应电动机等效电路的基础上,分析了当电源频率发生改变时,等值电路中主要参数的变化规律。
The principle of main parameter of the with the change of source frequency were given on the base of analyzing the equivalent circuit of induction motor.
提出了一种新颖的感应电机开环速度控制法,在任一频率下,它不但能使电机输出高的力矩,而且使稳态速度误差几乎等于零。
This paper presents a novel open-loop speed control method for induction motors that provides high output torque and nearly zero steady-state speed error at any frequency.
分析了电力系统频率偏移和谐波对传统感应电能表误差特性的影响。
The influence of frequency deviate or harmonics to the traditional kilowatt hour meter of electromagnetic induction type is analysed in the paper.
介绍锻钢冷轧工作辊双频感应淬火设备特点,国内首创较低的中频频率的选定,与同类淬火设备比较的优点。
This paPer introduces the equipments of double-frequency induction heating the forged steel cold work roller, and compare with the same kind induction heating equipments.
为可合调的圈感应性可能是很高至于极限有用的频率范围和这里叠绕技术可能帮助。
For tuneable loops the inductance can be so high as to limit the useful frequency range and here mobius winding techniques can help out.
在此基础上讨论了直线感应电机转差频率控制方案的可行性,并给出了控制方案。
This paper deduces the relationship between power factor and slip angle frequency based on equivalent circuit of induction motor in stable state.
感应电机能量优化控制常根据电机静态模型采用恒转差频率控制。
The programfeasibility is further discussed for the slip frequency control of linear induction motor and the control program is proposed.
串联谐振电路简单、启动容易、谐振频率高,适应于小功率感应加热电源系统。
The series resonance circuit is simple, its start easy and resonance-frequency high. It is suitable in small power induction heating supply.
该条给出了电话耳机处相对于该耳机发出的声压级的,所建议的感应场的强度级和频率特性。
It presents recommended levels and frequency characteristics for the inductive field at the telephone earphone relative to a sound level presented at the same earphone.
随着频率的升高,即使在磁感应强度较低时,涡流损耗和剩余损耗的影响不容忽视,且两者都随温度的升高而升高。
With an increase of the frequency and temperature, the eddy current loss and residual loss contributed to the total loss at the low induction.
免疫性试验通过改变试验的严格标准和感应干扰的频率得以完成。
Immunity tests are carried out by varying the test severity level and the frequency of the induced disturbance.
超声波技术是根据高频率的声音感应来测量的。
Ultrasonic technology is based on high-frequency sensors to measure the sound.
倍频式感应加热电源负载输出频率为功率开关管工作频率的二倍,且功率开关器件工作时具有软开关特性,在需要高频应用的场合很有意义。
Since its output frequency is as twice as the device frequency and it has the merit of soft-switching characteristic, multiple-frequency induction heater is widely used in high frequency application.
感应电机能量优化控制常根据电机静态模型采用恒转差频率控制。
The energy optimization control of asynchronous machine often uses the permanent slip frequency control according to the electrical machinery static model.
等离子体的电子碰撞频率和磁感应强度是调节等离子体反射率的重要参量。
The electronic collisional frequency and magnetic inductive intensity are important parameters of plasma for adjusting the reflectance.
结果表明:方波和正弦波调幅磁场的感应热功率都与调幅波频率无关。
The results show that the induction heat power of magnetic field amplitude-modulated with sine wave and square wave is unrelated to the frequency of modulating wave.
我们利用的是处于潜意识里的在资源,当两个人潜意识里的资源相互联系并达到同一频率的时,我们我们便称之为心灵感应。
We are drawing upon resources within the unconscious mind. When the resources of two unconscious minds link together into the same frequency, we call it Telepathy.
计算出铝合金扁锭的感应器电流、电源频率、功率和能耗等电参数;
The electric parameters such as inductor current, power frequency and energy consumption etc.
用途APPLICATIONDD862单相电度表系感应式单相交流有功电度表,用于计量额定频率为50hz,单相交流电网中有功电能的消耗。
DD862 single phase watt-hour meter is an induction meter which is applicable to measure the rated frequency of 50 Hz, and power loss of single-phase intercourse grid.
强感应电刺激对神经有很强的抑制作用同时还有扩布现象。 2。用0.5%可卡因局麻神经,当改变感应电刺激的频率和强度时,肌肉收缩的型式可随之任意改变。
Nerve being locally anesthetized with 0.5% cocaine, the pattern of muscle contraction may be changed arbitrarily by changing the frequency and amplitude of induction coil stimulation.
当磁感应强度和频率匹配合适时,焊缝成形良好,焊缝组织几乎为细小的等轴晶。
With optimum magnetic intensity and frequency, the weld microstructures were almost fine equiaxed grains and the weld shape was.
选择这个频率,以便它不是MN感应到任何干扰的频率。
This frequency is chosen so that it is not one of those frequencies that the MN currently senses any interference.
结合矩阵变换器双空间矢量调制方法,并将矩阵变换器过调制方法用于感应电机直接转矩控制中,达到矩阵变换器开关频率恒定和电机快速转矩响应的目的。
Double space vector modulation and overmodulation of matrix converter were proposed in this paper to ensure the matrix converter switching frequency to be fixed and fast dynam-ic torque response.
结合矩阵变换器双空间矢量调制方法,并将矩阵变换器过调制方法用于感应电机直接转矩控制中,达到矩阵变换器开关频率恒定和电机快速转矩响应的目的。
Double space vector modulation and overmodulation of matrix converter were proposed in this paper to ensure the matrix converter switching frequency to be fixed and fast dynam-ic torque response.
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