查询词典 noise-power-ratio

This kind of digital PCG analyzer based on LabVIEW can be used for assistant diagnosis of cardiac Arrhythmia and cardiac abnormal noise, and as a teaching tool for clinical auscultation.

基于虚拟仪器的数字心音图分析仪能够为心率失常和异常杂音等疾病提供辅助诊断，同时也可作为听诊教学的教学工具。

Anti-noise and precise circle target center location method of CCD laser autocollimator.

激光CCD自准直仪圆目标中心抗噪声精确定位方法。

This method can model for non-Gaussian signal and inhibit Gaussian color observation noise due to it do not use the autocorrelation function.

数值仿真结果表明，CEAVOS的性能优于现有的性能最好的两种MA参数估计方法。

Based on this algorithm, the dynamic programming to smooth the detected pitch are used and the testing results are compared with the autocorrelation function under the noise environment.

在NCCFPDA算法的基础上，采用动态规划的方法对检测出的基音周期进行平滑，并在噪声环境下与自相关法检测基音周期的检测结果进行了比较。

Stationary and nonstationary processes, including ARIMA processes. Estimation of process mean and autocovariance function. Fitting ARIMA models to data. Statistical tests for white noise. Forecasting. State space models and the Kalman filter. Robust time series analysis. Regression analysis with correlated errors. Statistical properties of long memory processes.

静态和非静态过程(包括 ARIMA 过程)，均值和时间序列分析：自协方差估计，用 ARIMA 模型拟和数据，白噪声序列的统计检验，预报，状态空间模型和 Kalman 过滤，时间序列分析的稳健性，残差具有相关性的回归分析。

We firstly summarize the NN system modeling methods and the popular optimization algorithms, and point out the deficiencies, the limitation of noise cancellation modeling and the need of human intelligence participation, in our former optimization work after analysis. An abstract problem is extracted. It is to find out control variant that makes system output optimized using the data comprising a sample set with N x samples and their corresponding y, and it does not explore given system and achieves full automatic computation procedure. Next we propose a multi-variant controlled system optimization method utilizing CASSANDRA-I small type neural computer and program its application software. Moreover systematic experiments are made to demonstrate the method's validity, ability of noisy samples disposal and practical application.

我们总结了神经网络系统建模方法以及得到广泛采用的优化算法，并分析指出我们前阶段的优化工作中存在的去噪声建模有局限性和计算过程需人干预的不足，在此基础上把问题抽象为：已从系统获得含N个控制量样本的样本集S以及每个样本对应的系统输出，如何依据这些数据求出一个使系统输出y得到优化的控制量x，而不研究具体系统，实现不需要人智能参与自动完成的计算过程；提出应用人工神经网络硬件系统——CASSANDRA-I小型神经计算机的多变量控制系统优化方法，设计完成了其应用软件；并进行系统的实验工作，验证算法的有效性以及此方法处理带噪声样本和实际应用能力。

Automatic Volume Control – This feature eliminates the need for constant volume adjustment in variable noise situations such as driving.

自动音量控制-此功能，不再需要不断音量调整在变噪声情况下，如驾驶。

Usually the sensor colored noise is modeled as an AutoregRessive process.

摘要传感器量测噪声通常可表示为一阶时间相关的Markov随机序列。

In this way the functional indexes such as productive capacity, quality of product, energy consumption and reliability and main indexes such as noise, heat preservation, convenient operation and auxiliary functional indexes are improved.

由于强调专用性，根据物料干燥的特殊要求确定风量、温度、相对湿度、运转速度等技术参数，这样设备的功能指标如生产能力、产品质量、能源消耗、可靠性等主要指标和噪音、保温性能、操作方便性等辅助功能均有提高。

The simulation results show that the average error in synchronization exhibits a nonmonotonic behavior with the noise amplitude.

数值模拟结果表明平均同步误差与噪声强度之间的关系是非线性的。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。