查询词典 adaptive

An adaptive bit loading and power allocation method and adaptive link strategy have been proposed to mitigating multipath fading and interference in SISO systems.

对SISO OFDM系统提出了一种提高系统抗多径衰落和干扰能力的自适应比特加载和功率分配算法以及链路自适应策略。

An adaptive learning procedure for constructing and training networks is proposed, based on the adaptive projective algorithm.

进一步地研究了径向基函数网络的逼近性能、径向基函数中心的选择及构造和训练网络的学习算法。

In charpter Ⅳ, by the divisibility of the system, the design program of the multi-grade adaptive controller of the system is presented, and under the suppositions of realitic subsystems, the global stability of two-grade adaptive controller of the system is proved.

第四章，由电液伺服系统的可分性，对电液伺服系统自适应控制的可实现性进行了分析。

In order to improve the arithmetic, a king of self - correcting gain K adaptive PID control way is presented by using recursion formula of gain K in adaptive PSD controller.

并推导了为改进其应用上的不足，将自适应PSD控制器中递推计算增益K的方法应用到单神经元的自适应PID控制，构成具有自动调整增益K值的单神经元自适应PID控制器的学习算法。

Irregular pyramid is also called adaptive pyramid, which overcomes the rigidity of regular pyramid and is adaptive to the contents of images. The irregular pyramid structure is the main implementation in segmentation methods.

金字塔分为规则金字塔和非规则金字塔，后者可以克服前者的刚性特点，与图像内容相适应，成为金字塔图像分割算法的主要实现形式。

To overcome volatility clustering problems,an adaptive neuro-fuzzy inference system is combined with a nonlinear generalized autoregressive conditional heteroscedasticity model that is tuned by adaptive support vector regression so as to tackle the problem of time-varying conditional variance in residual errors.

针对传统的自适应模糊推理系统无法解决波动聚类现象，通过分析自适应模糊推理系统和非线性广义自回归条件方差的特性，提出了融合自适应模糊推理系统和非线性广义自回归条件方差的调谐模型。调谐模型实质是指在对ANFIS和NGARCH进行独立运行的基础上，对运行结果进行动态调谐操作，从而提高系统的预测精度。最后，结合实际的项目数据，证明调谐模型提高了传统ANFIS对于波动聚类现象的应对能力，获得较好的运行效果

Introduces an adaptive fuzzy filter based on approximate entropy and applies the filter to the digital filter of rocket telemetry signal in the wideband noise The adaptive fuzzy filter algorithm is discussed, and the experimental filtering results of rocket telemetry signal in white noise are given Both analysis and experiment show that the parameters of this novel filter can adjust itself according to the complexities of the signal It filters better than the average subsection fuzzy filter for the no...

介绍了一种基于估计熵的自适应模糊滤波器，并将其应用于宽带噪声中火箭遥测速变信号的数字滤波。讨论了自适应模糊滤波算法，给出了应用实验结果。分析和实验表明，这种新型滤波器能根据信号的复杂程度自动调节其参数，对宽带噪声中非平稳随机信号有较好的滤波效果

Simulation results show that the dynamic performance of simple adaptive controller is better than conventional proportional integral controller and simple adaptive controller possesses better robustness while load varies.

仿真结果表明，与常规的比例–积分控制相比，对并联型有源滤波器直流电压采用简单自适应控制可获得更好的动态性能，且负载变化时的鲁棒性更好。

For further study to improve performance, an adaptive control algorithm based on Neural Network is tried in stabilization control. A new method of selecting the initial weights of Neural Network is put forward, which is that the coefficients of discrete equivalent of continuous transfer function in traditional control are used as the initial weights of Neural Network. Adaptive Neural Network control is combined with traditional control by using different method in different segment.

作为进一步提高稳定系统性能的探讨，对基于神经网络的参数自适应调整控制方法在稳定控制中的应用进行了研究，提出了将传统校正方法经离散化后所得到的数字控制算法的系数作为神经网络权值初值的新方法，并采用分段控制，将传统校正方法和神经网络控制方法相结合，取得了较好的控制效果。

First, a switching function is designed to guarantee that the movement of the system is asymptotically stable in the switching manifold. And the equation of the switching surface is given based on pole assignment theorem; Then a discrete robust adaptive quasi-sliding-mode tracking controller is presented by constructing the two adaptive gains, and the globally asymptotically stability of the system is proved based on the Lyapunov-Razumikhin stability theorem.

首先，利用广义系统的概念给出了系数矩阵为能控标准型的滑模面方程，并利用极点配置定理给出了能使系统稳定的滑模面；其次，构造了含有自适应律的离散趋近律，设计了能够使系统达到同步的变结构控制器，并利用Lyapunov稳定性定理，证明了系统的趋近运动的稳定性。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。