我们采用了过零检测来测量发电机的功角。
Zero-crossing detecting approach is used to detect the phasor of generators.
标签LFMCW雷达非线性剩余频差过零检测周期图。
LFMCW radar nonlinear residual frequency errors zero crossing detection periodogram.
因此提出了一种改进的过零检测算法：零点斜率测频法。
An improved method which measures frequency through the slope of zero based on the cross-zero detecting is presented.
本文讨论的全数字锁相环包括过零检测器和环路滤波器。
This paper discusses an all digital phase-locked loop with a zero-crossing detector and a loop filter.
文中给出了一个由惠斯登电桥、积分器、过零检测器等组成的电阻-频率转换器。
In this paper, a resistance - to - frequency converter consisting of a Wheatstone bridge followed by an integrator and a comparator is described.
提出了参数空间分级收缩的新的定位算法及其改进的小波过零检测的特征提取算法。
A fast location algorithm using classifying shrinkage in parameters space and a feature extraction method using improved wavelet cross-zero detection is presented.
文章还对其基频检测机理和采用“过零检测，信号分离”技术提高基频量测精度作了较详细的论述。
The principle of the pitch detection and to increase the accuracy of pitch detection by using "Zero-crossing, detection. signal sep…"
过零检测器可以通过预报功率谱形状的变化来发现环境噪声中新出现的运动声源，研究了过零检测器的检测性能。
Zero-crossing detector is capable of predicting the shape changes of power spectrum so as to find the newly emerged moving sound sources in ambient noise.
研究了数字语音短时能量和过零率特点，提出了基于有限状态机的端点检测新算法。
The characteristics of digital voice short energy and ZRC is studied, and a new voice activity detection algorithm based on finite state machine is presented.
设计了一种新的软硬件相结合的方法去检测反电动势过零点。
Firstly, a new zero-crossing detection method with software comparing with hardware is designed.
介绍了反电动势过零位置检测的原理及实现方法，并采用了数字式转速、电流双闭环控制。
One kind of sensorless control system for brushless DC motor based on DSP was introduced and the principle of back-EMF zero-crossing detection and realization method was discussed in detail.
在阈值计算过程中，还用到一种基于过零点边缘检测技术的边缘追踪算法。
A new edge tracking algorithm based on zero-crossing edge detection technique is applied in the process of threshold computing.
提出的过零点检测算法，较好解决了脉搏信号时域特征点参数多，分析复杂，误差较大的问题。
The algorithm of measuring zero-crossings can better solve the problems that the characteristic parameters of the pulse signal are complicated in the time field and the measuration errors are greater.
通过试验发现，磁记忆检测信号与构件的损伤状态之间具有明显的相关性，通过检测法向磁场的过零点可以实现对构件早期损伤的检测。
It is found that the MMM signal has apparent relationship with the damage, and that by the zero value of the MMM signal, the hidden damage in the ferromagnetic component can be detected.
本文采用反电动法控制永磁直流无刷电机，是通过检测反电动势过零点获得转子位置实现无传感器控制。
Using Back-EMF method to control BLDCM, it can realize sensor-free control method by detecting the zero point of EMF in this paper.
介绍了短时平均能量法、短时平均过零率法和短时能零积法三种语音端点检测法。
Short-time average energy, short-time average zero-crossing rate and short-time energy-zero-product are introduced.
被燃油浸润过，没有可匹配的装配面且与下部零件没有相通的过滤油路的零部件需进行二级剩磁检测。
Parts which are fuel wetted, do not have match-fit surface, and do not provide an unfiltered fuel path to downstream parts, should be defined as parts requiring Level 2 residual magnetism.
公司已为600多家国内外客户提供过优质的零件检测服务，覆盖电子，汽车，航空，精密模具等领域。
We have offered high quality services for more than 600 costumers in fields of the electronic, auto, aero, mold etc.
本文讨论一种基于音频信号的广告条目检索和定位的一种自适应方法，它利用短时平均过零率和互相关函数从实时音频数据流中快速检测和定位广告条目。
In this paper we discuss a method for audio-based retrieval and location for AD, which USES short time average zero-passed rate and relativity-function to retrieve and locate AD from real-time audio.
本文讨论一种基于音频信号的广告条目检索和定位的一种自适应方法，它利用短时平均过零率和互相关函数从实时音频数据流中快速检测和定位广告条目。
In this paper we discuss a method for audio-based retrieval and location for AD, which USES short time average zero-passed rate and relativity-function to retrieve and locate AD from real-time audio.
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