1) Audio Tracking
音频跟踪
2) frequency tracking
频率跟踪
1.
A sampling measurement algorithm without frequency tracking based on electronic instrument transformer;
基于电子式互感器的无频率跟踪采样测量算法
2.
Current feedback frequency tracking control with matching of piezoelectric;
压电超声换能器电端匹配下的电流反馈式频率跟踪
3.
Research on the Frequency Tracking System of HF-Inverter Power Controlled by PI-DPLL;
基于PI-DPLL的高频逆变电源频率跟踪系统的研究
3) frequency tracing
频率跟踪
1.
A new method based on correlation theory and frequency tracing algorithm is presented .
针对应用虚拟仪器技术测量旋转动力机械扭矩的原理与算法进行了研究,提出一种频率跟踪基于相位差测量扭矩新方法。
2.
Through DC input voltage regulation and circuit resonant frequency tracing,approximate linear load power regulation can be realized by the power supply.
利用电路谐振产生高频高幅值的正弦波电压的介质阻挡放电电源,通过调整电源的逆变电路的直流输入电压,同时逆变电路开关频率跟踪电路谐振频率,可以实现介质阻挡放电负载功率的近似线性调整。
3.
because of bridge rectifier adopting APFC technology and inverter adopting the frequency tracing technoiogy of no phase difference, which have very important significance on effective running of power network? frequency conversion power supply and loading.
其整流器采用APFC技术 ,逆变器采用无相差频率跟踪技术 ,使输入和输出的功率因数都得以提高 ,这对电网、变频电源和负载的有效运行具有重要意
4) frequency-tracking
频率跟踪
1.
Experimental results show that the energy transmission system is capable of automatic frequency-tracking and transmission power-adjusting and has stable received energy.
报道了一种消化道微创诊疗微系统的无线体外供能装置,它主要由利用锁相环的自动频率跟踪电路和采用移相的调功电路构成。
2.
In consideration of the process of card wire heating operation,a strategy of frequency-tracking with integral action separation and DPLL(digital phase-locked loop) is employed to work out a high frequency induction heating power with 100 kHz/5 kW for on-line card wire annealing.
根据梳理机用齿条热处理工艺的要求,采用积分分离法与DPLL(数字锁相环)相结合的频率跟踪策略,设计了一台100 kHz/5 kW的高频感应加热电源,对齿条进行在线退火处理。
3.
The paper studies digital control scheme of resonance inverter frequency-tracking based on all digital phase-locked loop.
本文主要研究了基于全数字锁相环的谐振型逆变器频率跟踪的数字化控制方案。
5) Video tracking
视频跟踪
1.
We get the basic parameters of recognition through initialization of users, and get the region of gesture of user through video tracking, and then in this region we get characters using moment-describe and multi-scale model.
通过用户初始化过程获取基本识别参数,结合视频跟踪的过程实时获取用户手势区域,在该区域内采用矩描绘子与多尺度模型相结合的方法进行特征提取,对于提取出的特征采用分类识别规则,实现对手势1～10的正确识别。
2.
In this paper,image edge detection in video tracking is put forward based on Beta-spline function.
介绍了视频跟踪中图像边缘检测的基于Beta样条函数的边缘检测算子,该算法是利用Beta样条函数对原始图像进行拟合,然后求拟合曲面的二阶导数零交叉点来检测图像的边缘。
3.
This paper introduces the design of a video tracking system which is applied to anti-tank guided missile,puts forward the detection method of double moving targets,and solves the calculation problem of the angle between them.
介绍了一种应用在反坦克导弹制导中的视频跟踪系统,提出了对双运动目标的检测方法,解决了它们之间的角度的计算问题,给出了快速算法和测角精度。
6) visual tracking
视频跟踪
1.
This dissertation is an exploration on particle filter based visual tracking method.
论文的主要工作包括: (1)研究粒子滤波理论在视频跟踪领域中的应用,讨论粒子滤波方法中各个步骤在视频跟踪过程中所表示的具体意义,构建基于粒子滤波的跟踪框架,探讨粒子滤波方法应用于视频跟踪的优越性。
2.
So the technology to achieve this goal is called visual tracking.
随着计算机处理能力的提高和数字图像处理技术的发展,将数字视频中的帧分解出来并加以处理和分析,从而获得必要的信息,已成为目前的研究热点,这种技术称之为视频跟踪。
补充资料：音频
指20～20000赫范围内的频率。常人能反应的高频端约在14000赫以下，只有少数人能达到20000赫。高级音响设备及光盘等载体要求有上述频率响应。300赫至3000赫的频率范围称“话频”，在电话传输中常用这一频段。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条