periodogram是什么意思

网络释义

用法例句

A new algorithm of demodulating 2FSK signals based on periodogram;

一种基于周期图解调2FSK信号的新算法

Simulation Analysis of Window Function in Power Spectrum Estimation Based on Modified Periodogram;

改进周期图法功率谱估计中的窗函数仿真分析

Velocity Measurement Method for Partial GPS Signals Based on Periodogram Theory

基于周期图的瞬时GPS信号测速仿真研究

Nonparametric estimation of power spectrum density(PSD) in vibration engineering, including the majorapproach as well as the periodogram method, is based on classical Fourier transformation(FT), but takes quite different forms.

文章以周期图法为例,研究Fourier变换基本格式的不同对PSD非参数估计结果的影响。

Detection of Residual Carrier BPSK Signal Based on Periodogram;

基于周期图法的残留载波BPSK信号检测

In order to reduce variance of power spectrum estimate using the perio-dogram,we use the smoothed periodogram to obtain the estimated spectral of the non-Gaussian to replace the true spectral,and process the signal to do generalized matched filtering under the loss of a constant false alarm rate.

在估计功率谱时,为了减小周期图法谱估计产生的误差,采用平滑周期图法来估计非高斯噪声的功率谱,并在此基础上对信号进行恒虚警概率损失下的广义匹配检测。

In this paper, Power spectrum of CAP (carotid pulse) by periodogram and AR model is given, respectively.

采用周期图法和AR参数模型法分别对颈动脉搏动波进行了功率谱分析。

In order to understand deeply variable characteristics of IMSR,the authors mainly use Scargle periodogram and wavelet transform to study periodicity of ISMR during 1871-2004 in present paper.

为了深入认识ISMR的变化特征,主要利用Scargle周期图和小波变换研究了1871-2004年间ISMR变化的周期性。

Invariance Principle for the Functional of Periodogram of a Stationary Time Series;

平稳序列周期图积分泛函的不变原理

Study on Control Method of Latitudinal Movement of Ship on the Basis of Periodogram Modeling;

船舶横向运动基于周期图建模的补偿控制研究

Velocity Measurement Method for Partial GPS Signals Based on Periodogram Theory

基于周期图的瞬时GPS信号测速仿真研究

picture transmission period

图象传送时间[周期]

A wave that repeats, like the one above, is called a periodic wave.

如上图所示的周期性的波，称之为周期波。

Semi-period of doubly even order magic square transformed digital image.

双偶阶幻方变换数字图像的半周期

the cardiac cycle can be shown on an electrocardiogram.

心电图能够显示心博周期。

The Principle and Method of Periodical Random Dot Stereogram.

周期性随机点立体图的原理及设计方法

Last weekend, Jacob and I prepared for our mid-term exams in the library.

（上周末，我和雅各一起去图书馆准备期终考。）

FLOWGRAPH ANALYSIS METHOD OF LIFE CYCLE COST FOR THE COMMERCIAL AIRCRAFT

民用飞机全寿命周期费用的流图分析方法

Application of Information Lifecycle Management in digital library;

信息生命周期管理在数字图书馆中的应用

About Relation of Periodicity and Symmetry of Function;

函数周期性与图象对称性的关系及应用

Study on Computer Aided Working Out Cyclic Train Timetable for Passenger Dedicated Line

计算机编制客运专线周期性列车运行图的研究

Problem of Cyclic Railway Timetable Based on High-Speed Network

基于高速线网的周期性列车运行图问题研究

Design on Fully Service Period Dynamic Management System of Mining and Excavation Engineering Drawing and Document

采掘工程图件全寿命周期动态管理系统设计

The Electronic Publishing Systems make the production of map more efficiently.

地图电子出版系统的推广使用， 缩短了地图生产的周期。

Platonic year

【天】柏拉图年(约26, 000年的周期, 经过此时期各星辰又复归原位)

STOPS must be above old tops or below old bottomson a weekly or monthly chart.

必须是在周及月图表中高于前期顶部或者低于前期底部位止损。