以波的电矢量为例,具体讨论了衰减电磁波的振幅、波长、位相以及衰减波的衰减长度。
For the electric vector of electromagnetic wave. we discussed its amplitude, wavelength, phase, and attenuation length.
这些现象表明,KCLO3晶体中的双折射光束电矢量的振动方向与入射的线偏振光电矢量的振动方向间夹角,随晶体的方位而改变。
These phenomena indicated that, in the KCLO3 crystal the included angles between the electric vector vibration direction of double refraction light and of the incident linearly …
文中介绍了扇面直波导及其腔体中电矢量位和磁矢量位的格林函数,采用分离变量法、傅里叶变换法和留数定理导出了格林函数的具体表达式。
The Green's functions for electric and magnetic vector potentials in a sectoral wave guide and its cavity are derivated by using the separation of variables, Fourier transform and residue theory.
麦克斯韦方程中有某些特性是恒定不变的——磁场强度、电位移场以及描述电磁场电通量的坡印廷矢量。
Maxwell's equations conserve certain properties-the magnetic field intensity, the electric displacement field and the Poynting vector that describes the electric flux of an electromagnetic field.
本文给出多层媒质中水平和垂直电、磁偶极子的谱域标量位和矢量位格林函数的一般表达式,并验证了其正确性。
The spectral domain Green's functions of scalar and vector potentials for vertical and horizontal electric as well as magnetic dipoles in multi-layered medium are presented and verified.
异步电功机的磁通检测和观测是矢量控制系统中的关键问题。
The measurement and observation of flux in induction motor is a key problem in vector control system.
提出的DSP采用了并行处理技术,如SIMD、矢量处理和DSP结构,并且采用了无线电应用的低功耗特性。
The proposed DSP employs parallel processing techniques, such as SIMD, vector processing, DSP schemes and adopts low power features for wireless applications.
针对典型的推力矢量电液位置伺服系统提出参考模型模糊控制控制方法(MRFC)。
Model reference fuzzy control (MRFC) is introduced for a classical thrust vector electrohydraulic servo control system.
针对电机空间矢量控制和直流无刷电机120电角度换相控制算法的电路实现,采用了控制状态机与PWM发生电路相结合的方法。
The method of finite state machine together with PWM circuit is given to realize the algorithms of Voltage Space Vector control and 120 electrical Angle changing phase control of DC brushless motor.
矢量网络分析仪是测试微波射频器件的专用仪器,在无线电测试领域应用非常广泛。
The vector network analyzer is the special instrument that tests microwave and radio frequency devices, its application is very extensive in the wireless measurement field.
本研究提出了一种新的心电信号压缩方法,该方法对心电数据进行离散余弦变换(DCT)并对DCT变换的结果进行二级矢量量化。
In this article, a new ECG compression method applying 2-step vector quantization (VQ) on DCT coefficients of ECG data was introduced.
本研究提出了一种新的心电信号压缩方法,该方法对心电数据进行离散余弦变换(DCT)并对DCT变换的结果进行二级矢量量化。
In this article, a new ECG compression method applying 2-step vector quantization (VQ) on DCT coefficients of ECG data was introduced.
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