In many practical fields, it is quite important to extract the instantaneous parameters of a signal.
在许多实际问题中,信号瞬时参数的提取有重要意义。
By analyzing the instantaneous parameters of molten steel leakage during continuous casting at Lianyuan steel, main reasons to cause the leakage were found.
通过分析涟钢过程中的瞬间参数,找出了漏钢的主要原因,即中间包温度过高、拉速过大以及操作不当等。
The main contribution of this dissertation includes four aspects. They are instantaneous parameters extraction, fuzzy feature selection, single classifier design and combined classifier design.
本文主要工作体现在瞬时参数的提取、模糊特征选择、单个分类器设计和组合分类器设计这四个方面。
Its main ideas are that the AC waves are described through some AC instantaneous values in a period, and then RMS values and other concerned parameters are worked out.
它的主要思想就是在一个周期内用若干个交流信号瞬时值描述该交流信号波形,并计算出有效值及其它有关参数。
In the rolling procedure of cross wedge rolling, the technological parameters and instantaneous rotational speed ratio of workpiece and roller have intimate and complicated relationship.
轧件与轧辊的瞬时速比和楔横轧工艺参数之间存在着十分密切而复杂的联系。
The instantaneous parameter estimation for communication signals is very important, for such parameters are abundant of information.
通信信号的瞬时参数包含丰富的信息,提取瞬时参数具有很重要的意义。
Instantaneous aerodynamic forces are calculated under a set of kinematic parameters. The study can be used as a preparation for the design of micro air robot with flapping wings.
通过将试验数据与经验公式计算的结果进行比较,得到了升力与扑翼参数的关系,为进一步设计扑翼式微型飞行器提供了依据。
The algorithm of correlative system parameters of adaptive current instantaneous trip protection is studied.
对自适应电流速断保护中实时计算系统参数的算法进行了研究。
Adopting sinusoidal instantaneous voltage and current, a new algorithm for measuring sinusoidal electrical parameters has been put forward.
提出了一种利用正弦交流电压和电流的瞬时值测量正弦交流电参量的新算法。
Taking the flight parameters of F-15 fighter as analysis background, the affection of stall and thrust vector on instantaneous turning performance is studied.
以F - 15战斗机为例,研究了失速及推力矢量对飞机瞬时转弯性能的影响。
The tester designed can be used to measure the parameters, such as power factor, effective value of voltage and current, instantaneous value, etc.
所设计的电网参数测试仪可以测量功率因数、电压和电流的有效值、瞬时值等参数。
The rock mechanics parameters, such as Yangs modulus and Poisson's ratio, are determined on the basis of surface fracturing treatment pressure and instantaneous shut-in pressure during PAD stage.
应用常规的地面压裂施工压力资料和前置液阶段的瞬时停泵压力测试等资料,初步探讨了求取储层原位岩石力学参数的新方法。
An X-ray instantaneous profile gauge is installed at the outlet of hot rolling mill, used to measure various parameters of the hot strips fast and continuously.
X射线凸度仪安装在钢厂的热轧机出口处,用于快速和连续测量热轧板带的各项参数。
Using the method of symmetric components and matrix, this paper analyses instantaneous power and the operation parameters concerning one-phase asynchronous motor in dynamic state.
首先运用对称分量法将单相异步电动机分为正序系统和负序系统,然后分别用矩阵分析了这两个系统中各自的有功功率、无功功率和视在功率。
Three features parameters derived from the instantaneous amplitude, instantaneous phase, instantaneous frequency and power spectrum of analogue modulated signals are presented in this article.
首先介绍从信号幅度、相位、频率及功率谱等特性中提取的三种特征参数,应用这三种参数采用人工神经网络对模拟调制信号进行了识别。
Three features parameters derived from the instantaneous amplitude, instantaneous phase, instantaneous frequency and power spectrum of analogue modulated signals are presented in this article.
首先介绍从信号幅度、相位、频率及功率谱等特性中提取的三种特征参数,应用这三种参数采用人工神经网络对模拟调制信号进行了识别。
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