So, the suppression method of applying non-linear transform on strong acoustic interference was proposed based on the characteristics of steady velocity.
基于声波具有非常稳定的传播速度这一特点，提出了一种利用非线性变换手段压制强声波干扰的方法。
In this article, the natural frequencies of machine tools under continuous cutting and steady non-continuous cutting conditions are identified with time series method.
本文用时间序列分析的方法，在机床连续切削和非连续平稳切削状态下识别机床的固有频率。
Using mathematical statistical method, this paper studies mine transport system's uneven load, which provides a type selection design method for transport equipment under non steady load.
应用数理统计原理，对井下运输系统的非均匀货载进行了分析和研究，为运输设备在非恒定运量的情况下寻找出一种选型计算方法。
By means of the wavelet analysis, non-steady signals are analyzed, the fault feature vectors of fault are successfully extracted and this effective method is employed to identify the fault pattern.
研究了小波分析在非平稳信号分析的实际应用，成功地通过小波分析提取故障信号的特征信息，为识别故障类型提供了有效的分析手段。
The modeling for three-dimensional incompressible viscous non-isothermal steady flow was presented by using penalty finite element method.
针对幂律型流体，建立了稳态三维粘性不可压缩流体非等温流动的有限元模型。
Secondly, in conditions of non-steady flow, azinuthal velocity and shear stress distribution were deduced according to function approximation method.
在非稳流下，采用函数拟合法，得出流体切向速度随半径变化的表达式及流体所受切向剪切力和分布曲线。
Based on non-rigidity and non-damping, the method of describing vibration performance of MR was presented, steady response was calculated, and the results were contrast to testing results.
通过对金属橡胶材料进行振动特性试验，总结了不同激励水平、不同相对密度及不同材质对其振动特性的影响。
Numerical simulation of three-dimensional, steady, isentropic, non-symmetrical flow in rocket nozzles is completed using a bicharacteristic method.
利用特征线方法数值模拟了双圆弧和抛物线两种特型喷管中的三维非对称定常等熵的超音速流场。
In this paper, a method based on quasi-steady lifting line theory for the prediction of performance characteristics of a propeller working in a non-uniform wake field is presented.
本文应用准定常升力线理论预报船用螺旋桨的性能，建立了适合中型计算机的程序。
The characteristic method was used in simulating computation of non steady gas flow process in the exhaust system of model 15a petrol engine.
针对15A型二冲程汽油机排气系统的流动过程进行了模拟计算，对计算中某些边界条件的计算方法进行了探讨。
The non steady control is a new kind of cooling method for slab caster.
非稳态控制是一种新的铸坯冷却的控制方法，其特点是用时间作为供水的控制参数。
The data obtained by non-steady-state method are more reliable, but the mathematical treatment is difficult and difficult to calculate by hand.
非稳态法获取的数据较为可靠，但数学处理难度较大，不易手工计算。
Second, the non-existence of non-constant positive steady-states are given based on the priori estimates, in which energy method are used;
其次在先验估计的基础上用能量方法得到了该模型非常数正解的不存在性；
Second, the non-existence of non-constant positive steady-states are given based on the priori estimates, in which energy method are used;
其次在先验估计的基础上用能量方法得到了该模型非常数正解的不存在性；
应用推荐