- 差动法
- 差分作用法
- 差异法
- 示差法
- 微分法
- 异化有丝分裂
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differential method中文什么意思
例句与用法
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- In the first part the wavelet analysis theory is systematically summarized in the perspective of signal analysis and digital signal processing . in succession , the excellent of the wavelet image coding techniques are introduced with the focus on the ebcot coding algorithm . at the last part , aiming at the properties of hyperspectral images , three compression schemes are presented : dct + ebcot , differential method + ebcot and predictive method + ebcot
文中首先从信号分析和数字信号处理的角度对小波分析理论进行了系统的总结，在此基础上介绍了基于小波的图像编码技术的优秀成果，重点介绍了基于小波的ebcot编码算法，接着，针对高光谱图像的特征，本文提出了以下三种压缩方案： dct变换+ ebcot的压缩方案、差值法+ ebcot的压缩方案及预测法+ ebcot的压缩方案，对三种压缩方案进行了软件仿真，并将仿真结果与其它压缩方案进行了比较。 - At the same time , the mathematical models of the electric field and the flow field distribution were established from the theory of electrostatic enhancement of heat transfer . employed finite differential method and over - relaxation iteration method , according to certain boundary conditions in the wire - plate electrode space , the electric field and the flow field in the wire - plate space were numerically simulated under different initial velocities of r11 stream and different magnitudes of applied voltage . the calculation results agreed with theoretical analysis satisfactorily
同时从静电强化换热理论出发，建立了表征线板电极间的电场和流场分布的数学模型，并根据线-板电极间的边界条件，利用有限差分法和超松弛迭代法，分别就不同气流初速度和不同外施电压的情况下，对线-板空间的电场和流场进行了数值模拟，计算结果与理论分析基本一致。 - Then the de - lay differential method of detecting the milling cutter breakage is put forward according to the above research work and the changing characteristics of power signal and vibration displacement signal when the tool breakage occurs , the monitoring stategy of sensors fusion based on the artificial neural network is put forward . the monitoring system of milling cutter breakage based on the information fusion of the power signal and vibration displace - ment signal has been developed . the diff culty in giving a dectecting threshold due to the changeable character of character of cutting condition has been solved , and a good reliability is ensured over a wide range of conditions
在上述研究工作的基础上，提出了基于人工神经网络用于多传感器信息融合的监测策略，开发研制了以机床主电机功率信号和主轴振动位移信号特征参量融合的铣刀破损监测实验系统，解决了铣削过程中切削条件多变导致监测阈值难以设置的难题，保证了在较宽的工作范围内具有较高的识别准确率。 - Secondly , under the uncertain supply source environment , established 3 unstable supply sources modules towards radon demands , i . e lead - time unstable module ; quality unstable module and both lead - time plus quality unstable module by using the combination method of theatrical analysis and practice analysis , established the basic assumption for the practical problems . produce the mathematic module combine the differential method with results , performed a complete analysis and simulation towards the results , and reached the relevant conclusion
其次,针对供应源不确定环境下,建立了面向随机需求的三种不可靠供应源的模型,即提前期不可靠、质量不可靠和两者同时存在不可靠的模型,采用理论分析和实证分析相结合的研究方法,对现实中的问题进行基本假设,运用期望分析法构造出数学模型结合微分学进行求解,对求解进行完整分析和仿真,并加以总结。 - This paper points out that the traditional design method about the disc cam mechanism with oscillating follower has some shortcomings , thus it proposes one new method - using the differential method and the optimum technology to get the best parameters of the disc cam mechanism with oscillating follower
摘要指出了传统设计方法在确定摆动从动件盘形凸轮机构设计参数时的诸多不足，提出了一种新方法采用微分法和最优化技术联合求解摆动从动件盘形凸轮机构的最佳设计参数。