zero-crossing

zero-crossing

美 　英

• n.零点交叉
• 网络零交叉；过零；零交越

英汉解释

n.

1. 零点交叉

例句

Wavelet transform zero-crossing detection method can be used for the coding and recognition of human iris.

使用小波变换零检测算法可实现人眼虹膜图像的编码和识别。

Silicon photocells were used to make an artificial 1-D ganglion cell receptive field, characterized as a Zero-crossing filter.

作者用光电池组装一个人工感受野，在一维上模拟视网膜神经节细胞的零交叉滤波特性；

In this paper, the control distortion near the zero crossing point is magnified; a method to minimize the distortion is proposed.

本文中，在接近零交叉点附近的控制畸变被放大，提出了一种减小这种畸变的方法。

Finally, in accordance with the test data, we analysis the Doppler log's accuracy of velocity measurement under zero-crossing detector.

最后，根据湖上航行试验数据，分析了多普勒计程仪在应用过零检测法下的测速精度，取得了预期的效果。

It mainly consists of DSC, zero -crossing detection circuit, signal modulation circuit and signal demodulation circuit.

对工频通信系统构成，以及信号调制和信号解调原理进行了介绍。

This thesis illustrates the theory in how interleaving technology solves the problem of input current zero-crossing distortion.

本文对交错技术解决输入电流过零畸变的原理进行了说明。

The display system "looks" for the zero crossing of the sync pulse.

终端显示系统将识别这个同步脉冲的过零跳变。

Integration of voltage and zero crossing control technology.

一体化调压控制和周波控制技术。

And also, a high voltage promotes the arc reigniting when current zero-crossing.

在电流过零熄灭瞬间，叠加足够高的电压脉冲，使电弧能够立即再引燃。

Animproved sensing back-EMF method of sensorless BLDC motor was proposed by analyzing typical back-EMF zero-crossing detecting method.

通过分析典型的无位置传感器无刷直流电机反电势过零检测的原理，提出一种反电势过零检测的改进方法。

This reduction results in low zero-crossing error.

这个减少将使过原点误差降低。

The ZCD produces a pulse at each zero crossing of the ac input signal.

生产的ZCD输入信号在每个脉冲交流过零的影响。

This article presents a noisy image edge detection method based on zero crossing.

本文提出了一种基于零交叉的噪声图像边缘检测方法。

This paper presents the design of detecting zero-crossing circuit of BKMF in the sensorless BLDCM of tooth drill.

设计医疗牙钻用无位置传感器无刷直流电动机反电势过零点检测的硬件电路。

BEMF zero-crossing detection method based on ST7MC was introduced in this paper.

介绍了一种基于ST7MC的反电势过零检测方法。

Short-time energy and zero-crossing rate can not locate efficiently endpoint for speech in lower SNR.

在低信噪比环境下，利用短时能量和过零率很难得到精确的检测结果。

power system monitoring; asynchronous phasor measurement; zero-crossing label; communication;

电力系统监控；异步相角测量；过零点时标；通信；

An Zero-Crossing Frequency Measuring Method Using Time-Domain Continuous Finite Impulse Response Filter

用时域连续有限冲激响应滤波器进行过零测频的方法

Stratified radiation imaging with multi-scale gaussian operator zero-crossing method

多尺度高斯算子卷积零交叉法辐射分层成像

The Mixture Content Measured Through Derivative Ratio Spectrum and Zero Crossing

比波谱导数和零交点法测定混合物含量

The slope standard error and correlation coefficient of zero-crossing linear fitting

过原点直线拟合的斜率标准差与相关系数

The Algorithm Based on Zero-Crossing and Extremum Estimation to Obtain Instantaneous Frequency and Instantaneous Amplitude

基于过零点-极点估计的瞬时频率幅度算法

Breaker Implement circuit breaker opening at current zero crossing

实现电路断路器在电流过零时断开

Wavelet Transform Zero-Crossing Method for Auto-Extraction of Spectral Lines

谱线自动提取的小波变换零交叉点方法

An Improved Gauss-Laplace Zero-crossing Traffic Edge Detection Approach

一种改善高斯拉普拉斯算子零交叉方法的车辆边缘检测

Multiresolution image matching algorithm using zero-crossing of wavelet transform

基于小波零交叉基元的多分辨率图像匹配方法

An Empirical Relation Between Sea Wave Spectrum Peak Period and Zero-crossing Period

海浪谱峰周期与跨零周期的一个经验关系式

Study of TCSC zero-crossing point characteristics of capacitor voltage based on switch function model

基于开关函数模型的TCSC电容电压过零点特性研究

Zero-crossing Detection and Phase Correction of Stator Third Harmonic EMF in Sensorless Control of BLDC Motors

直流无刷电机定子三次谐波反电势的过零检测及其相位修正

A Robust Speech Recognition based on Zero-crossing with Peak Amplitude Model Combining Difference Information

基于差分过零峰值幅度特征的抗噪语音识别

Analysis and Application of Ship-radiated Noise's Zero-crossing Number

舰船噪声通过特性过零数特征的分析与应用

Wavelet transform zero-crossing analysis of pulse signal

脉搏波的小波变换过零点分析方法研究

Zero-crossing Algorithm and Phase Correction of BEMF in the Sensorless Control of Trapezoidal BLDC Motors

直流无刷电机无位置传感器控制中反电动势过零检测算法及其相位修正

Zero crossing forecast of synthesize test circuit

合成试验回路的电流源电流零点预测

Single-phase AC Zero-Crossing Trigger Solid State Relays

单相交流过零触发型固态继电器

Fluid Level Echo Recognition of Pumping Well Based on Short-time Magnitude Zero-crossing Rate Function

基于短时幅度-过零率函数识别抽油井液面回波

Zero-Crossing Control of Resonant DC Link Inverter

谐振直流环节逆变器的过零控制

Heart sound segmentation algorithm based on shannon energy and short-time zero-crossing rate

基于信号包络及短时过零率的心音分段算法

scr zero crossing - trigger pulse output

scr可控硅过零触发脉冲输出

First Zero-crossing Point Detection of Ultrasonic Signal Based on Wavelet Analysis

基于小波分析的超声波到达时间识别