平稳的

Present an algorithm to estimate the period of LPTV system Present a time-varying parametric model that is LPTV type, and study the relationship between model parametrics and cyclostatistics of its ouput signal.

给出了循环平稳随机信号的LPTV时变参数信号模型及该模型参数与信号循环统计量之间的关系。

Results The trends of incidence of typhoid and paratyphoid would continue to decline steadily in the near future, at the same time, the model is thought to be appropriately by test.

结果 江苏省伤寒副伤寒的发病趋势将在以后一段时间内仍呈平稳下降，检验结果表明模型是合适的。

The weather is equal for example for two days and it is not snowing but one day the sky has usual dark blue colour and the second day it becomes a little bit more "peachy".

例如，天气会平稳两天，不会下雪，但某一天，天空是通常的深蓝色，第二天就变成了有那么一点的桃红色。

With the reform of the stated-owned enterprises and the development of the non stated-owned economy, the economy rise, social stability, social employment and the price placidity are becoming better and better.

国有企业改革和非国有经济的发展为经济发展、社会安定、物价平稳和充分就业提供了坚实的保障。

The suspension is the basic mechanism to realize the operation stability and steer placidity, which mainly consist of spring and damper.

悬架是汽车中实现操作稳定性和行驶平稳性的基本机械结构，主要由弹簧和减振器组成，其功能是缓和路面不平引起的冲击和振动以改善平顺性。

Application results demonstrate that this method makes good effect: the robot runs placidly in the area of much load, and the system is much robust and real-time.

运行结果表明，该方案能取得良好的效果：在较大载荷范围内，机器人都能运动平稳，系统具有很好的鲁棒性，实时性。

Abstracts:Defects of cooling coil lined outwardly with Teflon in the porcelain enamel reaction column are analyzed, and a new design scheme of coil coated outwardly with porcelain enamel is proposed.

摘 要：对搪瓷反应塔外衬聚四氟乙烯盘管缺陷进行分析，提出新的外搪瓷冷却管设计方案，实现了搪瓷反应塔的全搪瓷化，装置平稳运行，产品合格率达到100％，生产周期大幅缩短。

This study is also useful for pretreatment of nonstationary time series.

这项研究也是有益的预处理的非平稳时间序列。

Meanwhile, for the characteristics of plant disease spot, segmentation model was created by utilizing the local correlated characteristic of Markov random field and linear stationary auto-regression model formed by Gauss distribution, and self-adaptive segmentation of plant disease spot was realized through optimizing the model with improved ant colony algorithm and maximum a posteriori probability estimation of Gauss-Markov random field.

同时，利用Markov随机场的局部相关特性并结合Causs分布组成线性平稳自回归模型，针对植物病斑特征建立分割模型。最后，采用改进型蚁群算法对其进行优化，并结合Gauss-Markov随机场最大后验概率估计，实现对植物病斑的自适应分割。

The chain needs proper lubrication for smooth and proper movement.

链需要适当的润滑平稳和适当的运动。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐