instantaneous phase的例句大全

It is tried that the instantaneous amplitude, instantaneous phase and instantaneous frequency of seismic information are used for calculating the thickness of the coal seam based on the seismic attribution of various rock formations and the developed characteristics of the coal seam in this area.

根据不同岩层的地震属性及本区煤层发育特点，尝试了利用地震瞬时振幅、瞬时相位和瞬时频率信息计算煤层厚度。

The appearances of BSRs oon near offset profile, stacked profile, migration profile, migration profile, instantaneous amplitude profile and instantaneous phase profile are compared and described.

比较了近炮检距剖面、叠加剖面、偏移剖面、瞬时振幅剖面与瞬时相位剖面上BSR的显示特征。

Experience shows that the decisive factors for predicting hydrocarbon are the apparent polarity, amplitude ratio ( KZ~ 6), and instantaneous phase(φ) of the reflection from the top of Yangxin formation, as well as the curvature(ρ) of the upper surfaee of this formation.

经验表明，阳新统顶部的视极性及振幅比（KZ~6）、瞬时相位（φ）和阳新统顶的构造曲率（ρ）是预测气况的决定因素。

Therefore, local wave decomposition technology was introduced into the logging date extrapolation method constrained by time-phase model to gain the seismic instantaneous phase.

为此，在时间-相位模型约束的井资料外推方法中，引入局域波分解技术来求解地震瞬时相位；

Secondly, the technique of profile extraction based on duplicate wavelet transform is used to extract ultrasonic echo signal character owing to the trait of duplicate wavelet transform providing instantaneous phase information and the inherent relation between signal profile and object shape.

然后，根据复小波变换可以提供信号瞬时相位信息的特点，采用了复小波变换提取超声回波包络的方法，并提出一种根据包络线提取物体特征参数的技术；

In constant phase correction of seismic record, the phase spectrum plus a constant and the instantaneous phase plus the same constant can bring the same result.

在实现常相位校正时，在记录的相位谱上加一个常数与在记录的瞬时相位上加同一个常数，结果是相同的。

A nonlinear dynamic model is set up to study the sustainable development and utility of renewable resources in this paper. In this paper, instantaneous reactive power theory using in three-phase four-wire system was discussed at first.

本文运用非线性理论建立了可再生资源二次非线性收获的动力模式。讨论了在三相四线制系统中瞬时无功功率理论和有源电力滤波器的研究结果。

The p-q-r instantaneous power theory is introduced, based on which a direct control strategy of UPQC ( Unified Power Quality Conditioner) is presented and its implementation in non-linear and unbalanced three-phase four-wire system is discussed.

阐述了p-q-r瞬时功率理论的原理，提出了基于该理论的统一电能质量控制器（UPQC）的直接控制策略，探讨了将其用于三相四线非线性及不平衡系统中的实现方法。

An advanced instantaneous detection method for fundamental positive-sequence active current under unsymmetrical and distorted three-phase system voltage

三相电压畸变且不对称时电流基波正序有功分量的改进瞬时检测方法研究

A method which detects harmonic current of three-phase system with DSP based on theory of instantaneous reactive power is presented in this paper. The simulation and experiment results show that the scheme is reliable.

根据瞬时无功理论，提出基于DSP的谐波电流检测方法，实现了谐波电流和无功电流的实时、快速检测。

The instantaneous corresponding relationship between the switching functions of MC and its equivalent AC DC AC topology with the limiting conditions is deduced, so that the PWM strategy of MC can be synthesized on the basis of space vector modulation of input phase currents and output line voltages.

在输入相电流空间矢量调制和输出线电压空间矢量调制的基础上，根据开关函数的瞬时对应关系及其限定条件，综合出MC的PWM控制策略。

Study on a Fast Detecting Method for Instantaneous Harmonic and Reactive Currents in Single-Phase Circuit

单相谐波和无功电流的快速检测方法

The analysis of two real-time detecting approaches of instantaneous harmonic and reactive current in single-phase circuit

两种单相电路瞬时谐波及无功电流实时检测方法分析

Indirect current control method and single-phase instantaneous reactive current detection method have been studied.

理论方面，分析了STATCOM的工作原理，研究了STATCOM的电流间接控制法和单相瞬时无功电流检测的方法。

A Study on the Theory of Instantaneous Reactive Power of Three-Phase Circuits

三相电路瞬时无功功率理论的研究

In reactive power compensator design software, introduces the opportunity theory of instantaneous reactive power in three-phase instantaneous reactive current detection design ideas.

在无功补偿器软件设计方面，重点介绍了基于瞬时无功功率理论进行三相瞬时无功电流检测的设计思路。

Application of Wavelet Transform and Phase Modeling to Estimation of Instantaneous Frequency

小波变换与相位建模在瞬时频率估计中的应用

The instantaneous reactive power theory is widely used in the detections of harmonic and reactive current in three-phase active power filter. This paper presents the method detecting harmonic current using instantaneous reactive power theory in single-phase active power filter by phase-shifting structured approach.

瞬时无功理论在三相有源电力滤波系统的谐波及无功电流检测中获得了广泛的应用，本文提出了使用移相构造法将瞬时无功理论应用于单相有源电力滤波系统谐波电流的检测。

Application of Instantaneous Power Control to Three-phase PWM Rectifiers

瞬时功率控制在三相PWM整流中的应用

We pick up the instantaneous information of Moho phase in typical segment of the profile.

对典型剖面段的莫霍面震相进行瞬时信息的提取。