查询词典 exponent

The paper introduces relation between wavelet transform and Lipschitz exponent and analyzes characteristic of signal and noise under wavelet analysis. Threshold de-noising method is introduced mostly at last.

其次，在陀螺漂移信号小波基选取的基础上，系统地将bior双正交小波应用到陀螺仪信号处理中，得到了较好的去噪效果。

Food wastes having a little volatilization aren't pyrolyzed easily because of their lower exponent of pyrolysis characteristic.

而厨余垃圾挥发分含量较低，热解特性指数低，热解不容易进行。

Transforming functions are similar to logarithm, sigmoid, arctangent, etc, not depended on a prior knowledge of characteristic exponent, and facilitative for practice application.

变换函数可以是对数型、Sigmoid型、反正切型等，这些变换函数不依赖于对特征指数α的先验知识的了解或估计，便于工程应用。

For the FrMVDR algorithm,the characteristic exponent value of the SαS clutter is first estimated,and then the fractional lower order output power of MIMO...

为了避免Fr MVDR算法对杂波特征指数估计，提出Inf-MVDR算法，首先用无穷范数对接收信号进行归一化处理，使归一化后的阵列输出功率有界，继而采用传统MVDR算法进行DOA估计。

Therefore, the SR-MUSIC suffers no DOA estimation errors from the estimates of thenoise characteristic exponent and the selections of the FLOM parameters.

该算法不需要FLOM参数p的选择，从而避免了基于阵列共变矩阵和阵列FLOM矩阵的DOA估计方法由于需要噪声特征指数的估计和由于不同参数p所带来的DOA估计误差。

The gap method is better than other methods to calculate the infiltration amount of wind through windows and doors gap, but the infiltration characteristic exponent of the gap method is influenced by some factors, such as differential pressure、fluid state、gap width、geometrical shape etc, It's Range of.

相对于其它方法，缝隙法可较准确的计算通过门窗缝隙的渗风量，但是缝隙法中的渗风特性指数受到压差、空气流态、缝宽、缝隙几何形状等因素的影响，变化范围在0.5～1.0之间，工程应用中一般取0.67，这给渗风的计算带来很大误差。

Based on the research results of Chaos theory, in this dissertation, it has made detailed analysis of the chaotic signal generator. Firstly, the characteristic and various detection methods of chaotic signal are recommended. Secondly, with the aid of software, such as MATLAB, PSPICE, EWB, etc, discussion of the process of generating chaotic signal proceeds. Through simulation, the output result of several kinds of chaotic circuit are analyzed and compared. Thirdly, aiming at Chuas chaotic circuit, through debugging, the impacts by components and parts in the circuit, such as operation amplifier, capacity, inductor, etc, has been further investigated. And then provides a new scheme to implement Lorenz chaotic system, the circuit design and analysis are presented in detail and it can be realized by the hardware of programmable arrays FPGA, the experimental results indicate that this scheme has the advantages of easy operation, flexible design and high efficiency. An application example in secure communications is also provided. Finally, through picking up the characteristic parameter-Lyapunov exponent of the Chaos we can analyze the performance of different chaotic signal generators.

本文在混沌理论研究成果的基础上，对混沌信号的产生做了详细的分析，涵盖以下内容：首先介绍了混沌的定义，混沌信号的基本特性和各种判别方法，特别是对简单的一维Logistic映射的硬件实现问题做了初步探索；其次对混沌信号的产生方法进行讨论，借助于MATLAB、PSPICE、EWB等仿真软件，对几种混沌电路输出的混沌信号进行了分析比较，并在此基础上针对典型三阶连续自治系统Chua's电路作进一步实验研究，通过混沌电路调试，深入研究电路中各元器件，特别是运算放大器、电容、电感等对混沌信号时域以及频谱的影响；再次研究连续混沌系统的数字化硬件产生，设计了Lorenz混沌电路在现场可编程门阵列FPGA上实现的新方案，在保密通信中的应用实验结果表明该方案具有操作简单、设计灵活、效率高等优点；最后针对不同混沌系统，采取不同算法，提取混沌特性参数Lyapunov指数，进而对不同的混沌信号发生器的性能进行了分析。

With the concept, the fractional lower array power is formulated and it is theoretically proved that the power is finite and reasonable for beamforming, provided thatthe fractional order does not exceed the half of the noise characteristic exponent.

根据分数低阶统计量和零阶统计量，这部分提出强冲击噪声环境下表现出稳健的波束形成性能的三种新的波束形成算法：分数低阶最小方差无畸变响应波束形成算法、线性约束最小几何功率波束形成算法和最小几何误差波束形成算法。

According to the geology and well test data of Neopaleozoic tight reservoir in Tabamiao region, we begin with the conventional log response characteristic analysis and extract the classification ratio parameters to visual identify and evaluate reservoir characteristic. That is the lithologic, electric and physical ratio parameters and gas synthetical characteristic exponent.

依据塔巴庙区块上古生界致密储层各种地质、试井成果等的资料，从常规测井响应特征分析入手，提取建立了一套直观识别评价储层特征的分类比值参数，即"四性"测井特征参数：岩性比值参数、电性比值参数、物性比值参数和含气综合特征指数。

At first, a model of a pair of excitable neurons coupled via gap junction is built by Chay model, the effect of the strength of gap junction on the synchronous oscillation is studied;then, the synchronous oscillations of a 2-D network are also studied;at last, the Lyapunov exponent and phase portrait are utilized in the analysis of nonlinear, the approximate entropy is utilized to measure the complexity.

首先以Chay模型为基础建立了两个神经元电突触耦合模型，研究了不同电突触耦合强度对两个神经元同步振荡的影响；其次，研究了可兴奋神经元组成的二维网络的同步振荡；最后，应用李雅普诺夫指数和相图分析了同步振荡的非线性，应用近似熵分析了同步振荡的复杂性。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。