当使用系统辨识方法建立建筑墙体动态热特性模型时,通常将时间离散模型的阶次通常设为定值。
When using the system identification methods to establish the dynamic thermal model of the building wall, the order of the discrete time model was usually set up to be constant value.
计算结果表明:建筑墙体动态热特性模型的模型阶次不是固定的,使用自辨识模型阶次的方法能够提高结果的精度。
The result shows that the order of the dynamic thermal model of the building wall is not fixed. And if auto-identification model is used to calculate, the accuracy of result will be improved.
利用差示扫描量热仪和动态流变仪对米粉和米淀粉体系的回生特性进行了研究。
The retrogradation characteristics of rice flour and starch system were studied by dsc and dynamic rheometry.
文章对机床主轴组件温度场和热变形动态特性之间的差异进行了分析。
This paper analyzed the difference between the temperature filed and thermal deformation in dynamic characters for spindle components.
再热式汽轮机已同锅炉组成单元机组运行,因此必须根据单元机组整体的动态特性来整定汽轮机的功频调节系统。
The reheating turbine and boiler are operated as single unit, so the turbine speed-power control system must be adjusted in accordance with the dynamic characteristic of the whole unit.
经过适当的输入变换和动态解耦,结合轧辊的热传输特性,最后获得了简单、实用的轧辊局部冷却控制模型。
By proper transforming of the system input and dynamic decoupling, a simple and useful model for partial cooling control has been obtained on the basis of the thermal transfer characteristic of rolls.
本文运用云纹法分析了热保护片的静态和动态特性,同时给出了相应的公式及实验结果。
The static and dynamic characteristics of thermoprotective chips are analyzed by means of Moire method in this paper, the corresponding formulas and experimental results are also given.
介绍了研究凝汽式汽轮机调节系统、中间再热式汽轮机调节系统、调整抽汽式汽轮机调节系统及功频电液调节系统的动态特性的数学模型。
Mathematical Model of governing system's dynamic characteristic for condensing turbine, reheat turbine, extraction turbine and power frequency turbine are introduced in this paper.
在精密机械热动态过程的离散化模型基础上,提出一种识别精密机械热动态特性参数的新方法——奇异值分解算法。
The discrete model of the thermal dynamics process of precision machine was used to establish a new method called singular value decomposition algorithm for identifying these characteristics.
电厂热工过程的动态特性与整个机组的运行工况密切相关。
Dynamic characteristic of power plant thermal process is close related with operation conditions of power unit.
利用动态流变仪和差示扫描量热仪等手段探讨了浸泡发酵对米粉体系理化特性的影响。
The effects on the physicochemical properties of rice flour by soaking fermentation were studied by Dynamic Rheometry and DSC.
阐述了一种动态测定内燃机进气门座处气体流通特性的方法。测量系在内燃机热车拖动情况下进行。
In this paper a method for dynamically measuring air flow characteristics at intake valve seat of internal combustion engine is presented.
对机床主轴组件温度场和热变形动态特性之间的差异进行了分析。
The difference between the temperature filed and thermal deformation in dynamic characters for spindle components is analyzed.
建模结果表明,动态非线性模型比线性模型更为准确地描述了热膜(线)式空气质量流量传感器的动态特性。
The modeling results show that the nonlinear dynamic models are more accurate than the linear dynamic models to describe the sensor characteristics.
对某厂“1+4”热连轧开坯机的扭转振动动态特性进行了研究。
The dynamic properties of the main drive system of a "1+4" hot strip continuous rolling mill are analyzed.
节温器非线性动态特性与发动机热系统延迟效应相互作用,使系统动态特性复杂。
The interplay between thermostat nonlinear dynamic characteristics and engine thermal system hysteresis complicates system transient phenomena.
用差示扫描量热仪和动态流变仪对不同水分含量的大米淀粉糊化、短期回生和长期回生特性进行了研究。
The effects of different water content on the gelatinization, short-term and long-term retrogradation of rice starch were studied.
随着大动态范围热成像器件的广泛使用,有必要研究适合人类视觉特性的红外热像终端显示系统。
With popularization of large dynamic range IR thermal imaging system, it is necessary to study IR-image-display terminals which suit for human visual properties.
计算了热容激光器的热畸变和退偏损耗随时间的动态变化规律,并与采用连续水冷却方式工作的圆棒激光器的热畸变特性做了比较。
Dynamic variation of thermal distortions and depolarization losses of heat capacity laser is also analyzed. The simulation results are compared with those of continued water-cooled rod laser.
提出了土壤换热中热屏障的概念,并分析了热屏障的形成原因及其特性,即形状不规则、动态变化和危害性。
Presents the concept of heat barrier, and analyses its formation and some characteristics including irregular shape, dynamic changes and potential harmfulness.
提出了土壤换热中热屏障的概念,并分析了热屏障的形成原因及其特性,即形状不规则、动态变化和危害性。
Presents the concept of heat barrier, and analyses its formation and some characteristics including irregular shape, dynamic changes and potential harmfulness.
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