本文研究了非平稳随机振动信号的瞬时功率谱。
The instantaneous power spectrum of nonstationary random vibration signals is discussed in this paper.
采用瞬时功率控制可减小混炼胶的门尼粘度波动。
The Mooney viscosity fluctuation of mix can be decreased by using instantaneous power control.
密炼机瞬时功率控制的实质是控制混炼物料的粘度。
The essence of the instantaneous power control in internal mixer is to control the viscosity of mixing material.
介绍一类基于瞬时功率理论的实时无功电流计算电路。
A class of compensating current calculating circuit based on instantaneous power theory is presented.
在差有功法的基础上，提出一种利用广义瞬时功率实现变压器保护的新原理。
On the basis of power differential method, a novel principle of transformer protection using generalized instantaneous power is presented.
脉冲负荷具有极高瞬时功率，它的使用必将对系统电能质量带来较大的影响。
The impact of pulsed power loads on IPS is examined in this paper.
针对感应电动机轴承故障特征提取的不足，提出了瞬时功率小波包分解的方法。
To solve the problem in obtaining bearing fault characteristics of induction motors, a method based on instantaneous power decomposition via wavelet packet is put forward.
可以检测压力、流量并准确计算出瞬时功率，从而管理压缩空气能耗，实现大幅节能。
It can manage the air consumption for substantial saving by detecting pressure, flow and accurately calculate the instantaneous power.
基于对电机输入瞬时有功无功功率的分析，提出一种新的永磁同步电机瞬时功率控制方案。
Based on instantaneous power analysis, an instantaneous power control method of permanent magnet synchronous machine (PMSM) is proposed in this paper.
结果显示，气流的改变主要受电弧瞬时功率控制，最大流量不是发生于压力峰值时刻而是出现在电流过零时。
It is found that the gas flow is mainly controlled by instantaneous arc power and the maximum of gas flow appears not at peak pressure, but at current zero.
在分析瞬时功率频谱特性的基础上，提出了一种基于瞬时功率的变压器励磁涌流和内部故障电流识别新方法。
A new method, based on the analysis of frequency spectrum of instantaneous power, for the discrimination between internal fault currents and inrush currents in transformer is proposed.
可变开关频率为缓解这个问题，一种新型的准DPC控制策略与电流回路通过PWM整流器瞬时功率的分析表示。
To alleviate the problem of variable switching frequency, a novel quasi DPC control strategy with current loop was represented through the analysis of PWM rectifier instantaneous power.
在该控制系统中实施了基于瞬时无功理论的瞬时功率和瞬时电流的检测算法以及一种开闭环相结合的复合控制策略。
The instantaneous reactive power theory is widely used in the detections of harmonic and reactive current in three-phase active power filter.
根据密炼机橡胶混炼过程的瞬时功率控制法，运用数理统计法建立的混炼胶门尼粘度数学模型，其预测精度值不稳定。
The mathematical model for the prediction of viscosity of mixing rubber was found by statistics, but its precision was unsteady.
在最近的测试中，波音公司反复发动其新式薄型激光系统，使其在瞬时功率，波束质量和运行时间等方面，都取得了目前固态激光器的最好成绩。
The Boeing Company fired its new thin-disk laser system repeatedly in recent tests, achieving the highest known simultaneous power, beam quality and run time for any solid-state laser to date.
建立了有功功率、无功功率、复功率及复交流功率与瞬时功率的关系，进而仅基于瞬时功率的守恒性便证明了上述功率也满足守恒性。
Moreover, the relations between both the active power and the reactive power and the instantaneous power are also achieved at the same time.
为寻求性能优良、容易实现的配电静止同步补偿器(DSTATCOM)的电压控制策略，根据DSTATCOM系统中的瞬时功率平衡理论，推导出了DSTATCOM用于控制电压时的直接电压控制策略。
Based on the balance of the instantaneous power of the distribution static synchronous compensator (DSTATCOM) system the direct output voltage control strategy for voltage control is proposed.
为寻求性能优良、容易实现的配电静止同步补偿器(DSTATCOM)的电压控制策略，根据DSTATCOM系统中的瞬时功率平衡理论，推导出了DSTATCOM用于控制电压时的直接电压控制策略。
Based on the balance of the instantaneous power of the distribution static synchronous compensator (DSTATCOM) system the direct output voltage control strategy for voltage control is proposed.
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