The invention relates to an active frequency identification label, a system and an identification method.
本发明为一种有源射频识别标签、系统及识别方法。
Crewed by civilians, Impeccable is equipped with an active low-frequency towed array with a series of modules, each housing two high-powered transducers.
“无瑕号”由平民操作，装备有主动探测的低频声纳，具备一系列的模块，每一模块配有两个大马力的传感器。
The active filter acts as an infinite impedance to the external for the fundamental frequency and as a low resistor for harmonic frequencies.
对外电路而言，在基波频率下有源滤波器被控制为无限大阻抗，在谐波频率下被控制为小电阻。
Then the comprehensive evaluation and an optimum design method of active safety in the closed-loop system are provided by using the statistical analysis in frequency domain.
应用频域统计分析方法，提出闭环系统主动安全性的综合评价与优化设计方法。
A capacitive proximity switch works with a high frequency oscillating circuit that creates an electromagnetic field on the active sensor surface by means of a capacitor.
阿电容式接近开关工程高的振荡电路，产生的积极传感器表面磁场的电磁通过一个电容手段的频率。
The design method of an active SAW filter module with low frequency and high stopband rejection is introduced in this paper.
介绍了一种低频高阻带抑制SAW有源滤波组件的设计方法，并介绍了最新研制的滤波组件的性能。
As the adaptive feedforward control method used for active control of periodic vibration has many shortcomings, an adaptive feedback control method was proposed based on on-line frequency estimation.
针对自适应前馈控制方法的缺点，提出一种周期性振动主动控制的自适应反馈控制方法。
The relations between stiffness and damping performances and structure parameters of an active magnetic bearing (AMB) system and frequency specificity of the control loop are analysed herein.
分析了电磁轴承系统的刚度阻尼特性与系统结构参数及其控制器频响特性之间的关系。
As an effective way of eliminating high frequency harmonic, active Power Factor Correction (PFC) technology has been deeply researched and has broad application.
有源功率因数校正技术(PFC)作为一种有效的谐波抑制方法，得到了广泛而深入地研究与应用。
In this paper, we choose S-parameter as the measuring parameter of an active network at high frequency range.
本文选择s参数作为高频下有源网络的测量参数。
The design method of an active SAW filter module with low frequency and high stopband rejection is introduced in this paper. The performances of the module developed recently are also given.
介绍了一种低频高阻带抑制SAW有源滤波组件的设计方法，并介绍了最新研制的滤波组件的性能。
A modified algorithm of an Active Noise Control system based on Frequency-Selective Filter (FSFANC) is proposed.
提出了一种改进的选频有源噪声控制(FSFANC)算法。
An abrupt gradient zone with higher R values may be a radical deformed zone of the lithosphere , it mostly corresponds to an seismic active region with higher intensity and frequency;
高R值强转折梯度带很可能是岩石层的剧烈变形带，多对应于地震高强度、高频度活动区；
An abrupt gradient zone with higher R values may be a radical deformed zone of the lithosphere , it mostly corresponds to an seismic active region with higher intensity and frequency;
高R值强转折梯度带很可能是岩石层的剧烈变形带，多对应于地震高强度、高频度活动区；
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