确定性信号

确定性信号的收敛速率慢于不相关信号的速率。

6 , The convergence rate of deterministic signal is slower than the one of uncorrelated signal .

本文最后对α稳定分布模型的应用进行了扩展，给出了一种在分数低阶α稳定分布噪声环境下，利用多层前向BP神经网络对确定性信号进行检测的方法。

This thesis also employs a BP neural networks ( NN ) to detect known signals under the a - stable noise condition .

平稳随机干扰中低信噪比确定性信号的检测

Detection of certain-signal in low SNR from stationary processes

讨论了各种可能的输入形式，其中确定性信号输入是一种新方法。

Several possible input signal types are discussed .

传统的信号处理认为信号由确定性信号和随机信号这两个对立的部分组成。

Traditional signal processing decomposes the signal into two poles : deterministic part and stochastic part .

在信号处理中，信号一般分为两大类：确定性信号和随机信号。

In signal processing domain , signals can be divided into two classes : deterministic signals and stochastic signals .

该方法不需要大量的观测样本，无需观测信号为确定性信号的前提假设，实现了对单个观测样本的实时消噪处理。

The new method does not need a lot of observed samples and the premise that the observed signal is stable .

当加入白噪声扰动时发现预测效果较无噪声差，可知其确定性信号较为明显。

When adding white noise disturbance effect was found to predict poor noise-free , we can see more clearly signal its uncertainty .

小波变换为进一步分辨确定性信号、分形特征的信号或完全随机性的信号提供了一种有效工具，为评价粗糙表面形貌的分形特征提供了前提条件。

Wavelet transform method can be applied to distinguish the determinacy , fractal and stochastic process , and to evaluate the fractal characterization of surface profiles .

在高斯噪声和确定性信号假定下，文中推导出宽带确定性最大似然测向算法的代价函数，然后应用交替投影算法进行优化，即可得到波达方向估计值。

This paper derives the cost function of wide-band deterministic maximum likelihood direction finding algorithm under the assumption of Gaussian noise and deterministic source , and then the function is optimized by alternating projection algorithm .

在针对电子信息系统中的非确定性信号处理评估中，标准测试信号的选取是关键，本文介绍了标准测试信号选取的理由和依据。

In the process of evaluating uncertain signal processing in electronics information system , the selection of standard test signal is the key . This introduces the reasons and basis in selecting standard test signal .

强噪声背景下确定性谐波信号的模糊滤波Fuzzy滤子的收敛理论

The Fuzzy Filter Approach to the Known Harmonic Signals Under the Background of Powerful Noises

因此，研究Kalman滤波算法，减小模型的不确定性和信号扰动对管道泄漏检测与定位精度的影响，降低泄漏误报率，具有重要的理论意义和应用价值。

As a result , researching Kalman filter algorithm , in the premise of , reducing model uncertainty and signal disturbance on pipeline leak detection and location accuracy , and decreasing the leakage false alarm have significant theoretical significance and application value .

本文对确定性窄带信号的理论相关函数和信号样本以及随机窄带信号样本用自回归（AR）和FFT两种方法进行了谱估计。

In this paper , the power spectrum of theoretical correlation function and signal sample of the deterministic narrow band signal and the power spectrum of signal sample of the random narrow band signal are estimated by autoregressive ( AR ) and FET methods .

混沌信号，它既不同于确定性周期信号，也不同于随机信号。

Chaotic signal differs from deterministic periodic signal , it also differs from stochastic signal .

确定性有理信号参数的估计&最小预测误差均方比（MPEMR）方法

Estimating the Parameter of Deterministic Rational Signals in Colored Noise-Minimum Prediction Error mean Spuare Ratio ( MPEMSR ) Method

混沌信号是一个确定性的信号，但是它却具有很高的不可预测性和随机性，这两个独特的性质促使它在保密通信领域具有很高的吸引力和应用价值。

A chaos signal is a deterministic signal but has highly unpredictable and random nature . Its unique characteristics make it very attractive in the application area of secure communication .

在替代随机数据假设检验的基础上，提出了针对确定性混沌信号的改进非线性算法，并应用于心脏中的异常节律心电信号分析。

Based on surrogate data hypothesis testing , this paper presented an improved nonlinear test algorithm for deterministic chaotic signals , which is applied to the analysis of abnormal rhythm electrocardiosignals .

混沌信号与确定性小信号叠加生成的混合信号是一更高维的混沌信号，因而不能用一般的混沌信号噪声抑制的方法进行分离。

To separate a weak deterministic signal from a chaotic background of which the dynamic mechanism is unknown is a different problem from the noise reduction for a chaotic signal since the mixed signal is also a chaotic signal with higher dimension than the original chaotic system .

利用这种方法对确定性LPC残差信号进行检测的性能与已知波形时匹配滤波器的检测性能要好。

Making use of this kind of method to carry on the function examination is better than Match the filter .

实际房间声学系统是否具有非线性确定性是声学信号处理中值得研究的问题。

In acoustic signal processing , it is valuable to determine whether a real mom acoustic system is nonlinear deterministic .

算法过程大都是迭代计算过程，运算速度比较慢，且分离出的信号存在两个不确定性：即信号绝对幅值的不确定性和排列顺序的不确定性。

The algorithms are iterative processes mostly , which leads to the slow speed of operations . Moreover , there are two uncertainties in the separated signals : the absolute amplitude and the sequence of signals .

针对结构承受荷载的不确定性以及响应信号的随机性，运用小波分析对振动信号进行采集处理，避免了观测溢出。

In view of the uncertainty of the load and the randomness of the response signal , the wavelet analysis is used to process the collection of vibration signals , so as to avoid the observation overflow .

分析了超精密机床常规位置控制器的控制机理，通过对超精密机床对象不确定性和对输入信号跟踪误差的分析，初步确定超精密机床位置控制器可以采用PI的控制形式。

Analyzed the control mechanism of the conventional ultra-precision machine tool controller . Through the analysis of the object uncertainty and the input signal to the tracking error , determined that the initial location controller of PI could be used to the ultra-precision machine . 4 .

功率谱测量的是信号在单位时间内所具有的能量，它反映了信号的频率特性，可以作为区别确定性混沌与随机信号的指标。

Power spectrum is the power of signal in unit time , it indicates the spectrum characteristic of signal .

引入了最佳修正短时对数谱估计，能在信号存在的不确定性下最小化语音信号对数谱的均方误差。

We introduce an optimally-modified log spectral amplitude estimator , which minimizes the mean-square error of the log spectra for speech signals under signal presence uncertainty .