Through collecting vibration signal and analyzing it in the frequency domain in the condition of changing parameter cutting, a single self power spectrum is hard to detect tool breakage effectively.
在变切削参数的加工工况下,通过对振动信号的采集和频域处理,发现采用单一的自功率谱方法难以有效检测出刀片破损。
Spectrum magnitude of an earthquake is an important source parameter of earthquake size in seismology research.
谱震级是表征地震强弱的量度,是地震学研究中的一个重要的地震参数。
In this paper, for solving the parameter problem of two dimensional wave equation, the method of Finite Element and the Pulse Spectrum Technique, i. e. the iterative process are used.
本文针对求解二维波动方程的参数问题,利用有限元方法把波动方程反问题转化为有限元反问题,并利用脉冲谱技术,即一个迭代过程进行求解。
For improving the precision of the frequency measure, presents a frequency measure algorithm by integrating automatic adjusting the sampling parameter and spectrum correction.
为提高频率测量精确度,提出一种自动调整采样参数与频谱校正相结合的频率测量算法。
Hence, we put forward three parameter velocity analysis and its spectrum interpretation.
因此,本文提出了三参数速度分析及其谱的解释方法。
The automatic recognition and parameter estimation techniques of communication signals can be utilized in the authentication and spectrum management for radio signals.
通信信号的自动识别与参数估计技术可用于有关职能部门对无线电信号进行认证、实施频谱监管。
To estimate the parameter of velocity and acceleration with high accuracy and in real time for the measurement radar, an improved method based on spectrum zooming is proposed.
针对测量雷达要实时准确获得目标速度、加速度测量值的问题,提出了一种基于频谱细化的参数估计方法。
In this paper, main problems that face the Fourier spectrum analysis method and parameter model spectrum analysis method are described from the viewpoint of engineering application.
本文从工程应用的角度叙述了以付里叶变换为基础的谱分析方法和参数模型谱分析方法所面临的主要问题。
The key parameter which describes the spatial resolution of imaging spectrum system is the modulation transfer function (MTF), it is an old and difficult topic to measure the MTF.
描述成像光谱仪系统空间分辩率优劣的关键参数是系统的调制传递函数—MTF, MTF的检测是一个古老而又困难的课题。
In order to supply the actual BPSK DS-SS signal to verify the algorithms, this dissertation present a design method of spread spectrum signal generator with adjustable muti-parameter in detail.
为了给验证算法提供现实的BPSK调制的直接序列扩频信号,本文详细介绍了一种多参数可调的扩频信号源的设计方案。
In analyzing material structure, the multifractal spectrum is ac hara cteristic parameter which enables the quantitative analysis and explanation ofm ater ial structure from multifractal perspective.
分析表明:在对材料的组织结构进行研究的问题中,多重分形谱是一种有意义的表征参数,能够从多分形角度对材料的组织结构开展定量化的分析与解释。
On basis of the spectrum distribution, we can calculate the optical and colorimeter parameter of LED such as CIE color coordinate, color temperature, color rendering index and so on.
该系统首先给出LED的相对光谱功率分布,据此计算出LED的总光通量等光、色参数。
In this paper, a dual parameter spectrum data acquisition and processing system based on a microcomputer is described.
本文叙述了一个以微型计算机为基础的双参数核谱数据获取与处理系统。
In regard of evaluating miss distance of using missile fuze Doppler spectrum data, a optimizing parameter estimated method of nonlinear least square is put forward.
针对利用导弹引信多普勒频率数据求取脱靶量的问题,提出了一种非线性最小二乘优化参数估计方法。
The spectrum was found to be an exponential decay followed by a stretched exponential decay, with a decreasing width parameter.
发现其动态光散射谱在初始的指数衰减之后是伸展指数衰减。
Mental fatigue identification is also applied the morden signal processing method, through applying the maxim value of AR parameter spectrum, the accurate rate of the two patterns can reach 90%.
其次应用现代谱估计方法中的参数谱估计对两类脉搏信号的AR参数谱最大值对精神疲劳前后状态进行识别,分类正确率达到90%。
A foundation is laid for parameter identification and response spectrum analysis of non linear systems.
为这类系统的参数识别和响应的谱分析提供了基础。
The parameter estimation of sine-wave flooded in strong noise background is an important and practical technique, and it is the base theory of spectrum analysis estimation.
估计淹没在噪声中的正弦波参量是具有实际应用价值和普遍意义的技术之一,也是测试所有谱估计性能的基础。
The detection and parameter estimation of DS signal are studied in this paper. Cyclic period chart spectrum estimation is used on parameter estimation.
本文研究了直扩信号的检测和参数估计两方面内容,参数估计使用了循环周期图谱估计方法。
First of all, starting with the estimate of signal parameter (e. g. amplitude, frequency and phasic), it makes a research in algorithms of direct, subdivide the spectrum, high-precision FFT and so on.
首先,本文从信号参数(幅度、频率、相位)估计入手,研究了直接法、细化频谱法和高精度FFT法等算法。
The characteristic parameter of coal tar pitch was investigated by B-L equation, The structural compositions of QI from coal tar pitch were studied by means of SEM and energy spectrum.
通过B-L公式计算了煤焦油沥青的结构,采用扫描电镜(SEM)和能谱分析研究了煤焦油沥青中的喹啉不溶物(QI)。
It is strongly adaptable, highly robust, and simple to use, since only one parameter is needed to start the program, which will then process spectrum automatically.
该方法只需要设置一个起动参数即可自动进行峰检测,具有很强的自适应性和健壮性,极大地方便了用户。
The transmission spectrum bandwidth increases with the chirp parameter, while the transmission decreases, which leads to worse filter feature;
②随着啁啾系数增大,透射谱带宽增大,透射率降低,滤波性能变坏;
The close distance between moving and quiescent target spectrum caused by the moving carrier, Compensation was realized through the coherence signal parameter was changed.
当舰速造成动静目标回波频谱太近时,须改变其相参信号实现补偿。
The paper establish a new finite element model of masonry structure, spectrum analysis for the vibration velocity of actual measurement, editing parameter applies for ANSYS.
建立一种新的砌体结构有限元模型,借助ANSYS模块的谱分析对爆破震动造成的结构响应进行求解。
The authors introduce a wind speed single parameter sea wave spectrum, present the fuzzy grading statistic method of wave height and period, and thereby give the method for making the f…
鉴于此,介绍了风速单参数海浪谱,并提出了对波高及周期统计的模糊分级统计方法,在此基础上给出了全面分析海洋环境载荷不确定性的模糊随机海浪谱及载荷谱的制作方法。
Chaos masking, chaotic parameter modulation, chaos shift keying, chaotic spread spectrum sequence are discussed in detail.
其中重点分析了混沌掩盖技术,混沌参数调制技术,混沌键控技术和混沌扩频技术的原理。
The Maximum Entropy method is a kind of parameter spectrum estimation method based on ar model.
最大熵谱估计法是以AR模型为基础的一种参数谱估计方法。
The Maximum Entropy method is a kind of parameter spectrum estimation method based on ar model.
最大熵谱估计法是以AR模型为基础的一种参数谱估计方法。
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