抖晃

高速光盘读出信号抖晃测试系统的研究开发

Research on jitter testing system of high-speed optical disc read-out signal

高倍速光盘抖晃测试系统设计

Design on Measurement System for Jitter of High-speed Optical Disc

运动的抖晃分量滤除模块中，本文设计了一种以二次B样条为基础的方法来拟合摄像机的主观运动轨迹的方案，抖晃的大小即是全局运动和主观运动的差。

In motion filter module , a two-order B-Spline based filter is specially designed to simulate the intentional motion and then alleviate shaking effect in the captured video .

提出了一种新型的基于B样条的运动滤波器，实验证明这种滤波器的设计方法能够很好的去除视频抖晃，明显改善视频的主观效果。

In the motion filter module , a novel two-order B-Spline motion filter is proposed to alleviate shaking effect . Experimental results show that our method can suppress the video shaking and improve visual effect significantly .

VHS录相机走带系统抖晃特性测试分析及软件

Measurement and Analysis of Wow and Flutter Characteristics on Tape Transmit System of VHS Video Tape Recorder and Programs

GB/T14432-1993广播录音机抖晃测量方法

Measuring methods for wow and flutter of broadcast tape recorders

基于时间放大的光盘抖晃测试系统设计

Design on Jitter Measurement System for Optical Disc Based on Time Amplification

抖晃仪校准装置的测量不确定度的评定

Evaluation of Uncertainty of Measurement for Flutter Calibration Device

录像机中阻尼轮对音频抖晃影响的分析

The Analysis of the Influence of Damping Roller on Wow and Flutter for VTR

为了得到平滑的视觉效果，需要消除抖晃，因此需要运动滤波。

For smooth visual effect , motion filter should be introduced to alleviate shaking .

优化工艺控制光盘的抖晃值

Control Jitter value by optimizing process parameter

超高速光盘抖晃测试技术

Jitter testing technology of high-speed optical disc

抖晃初相在振动频响估计误差中的作用

Effect of Initial Phase on Estimation Error of Frequency Response Analysis of Wow and Flutter

精密传动机构的动力学模型&录音机带速抖晃率分析

A DYNAMIC MODEL FOR A PRECISION TRANSMISSION SYSTEM & Analysis of Velocity Fluctuation Rate for a Tape Recorder

应用数字信号分析中关于预处理，谱分析的技术，可以对录象机抖晃信号进行较快的和较全面的测试分析。

By applying precondition and spectrum analysis method in the digital processing , we can measure and analyze Wow and Flutter signal of VTR more quickly and completely .

揭示了机芯放音系统传动件参数和参数间交互作用对机芯抖晃的影响规律，以寻求传动件参数间的最佳匹配。

The general regularity for mutual effect of some parameters and effect of the main parameters of the driving parts on " wow and flutter " are presented to find the best parameter matching .

运动矫正模块的功能是在已知抖晃参数的条件下，对视频画面进行反向的平移、旋转和缩放，最终达到视频平滑稳定的视觉效果。

The function of motion compensation module is to translate , rotate and scale the video image according to the opposition of the shaking parameters so as to achieve smooth and stable visual effect .