查询词典 trouble back signal

AC:ac coupling,block the DC signal of input signal only AC signal pass into attenuator.

AC：交流耦合，阻断输入信号的直流信号，只有交流信号通入衰减器。

It is avoidless that machines vibrate. Acute vibrating is the primary reason of destroying machines. So detecting vibrating signal may be used to find out machines working condition. At the same time the signal can be analyzed and blooey signal can be found out.

机器的振动是难免的，过大的振动又往往是机器破坏的主要原因，因此，我们通常利用检测设备检测振动信号来监视机械的工作状态，并对信号进行分析处理提取故障信号。

Related with the traffic status of our country, the content of this paper is combined with practical application. The paper studies how to investigate traffic status in urban signal intersection, By field observing and videography, this paper get the geometry formal、traffic control and traffic running state of Xingtan road and Wenhuiyuan north road intersection, which can be support database for model building and model testing. On currently basic design principles of signal phase, through deep study of signal phase and canalization design.

本文结合我国目前的交通状况，着力将所要研究的内容与实际应用结合起来，研究了城市信号交叉口交通调查的方法，通过实地观测和摄像的手段获得杏坛路与文慧园北路交叉路口的几何形式、交通管理和交通运行状况的信息，以此作为建立模型和验证模型的支持数据，并在现有信号相位设计基本原则的基础上，深入研究了混合通行情况下的相位方案及渠化设计。

At the same time, the signal system of the implementation process will be the introduction of a corporate entity to carry out domestic signal system's core technology standardization and industrialization, and ultimately the formation of the track signal system made the core of the industrial chain.

同时，在信号系统实施过程中将引入企业实体，开展国产信号系统的核心技术的标准化和产业化工作，最终形成国产轨道信号系统的核心产业链。

It also summarizes the same point between signal timing and lane channelization in nature and illustrates that it is optimal cycle length and signal phase that is the critical part of signal timing.

用数据说明了确定最佳周期长度和调整好信号相位是信号配时的关键所在。

However, to discuss signal measurement methods, you should classify a given signal as one of five signal types.

然而，在讨论信号测量方法时，你应该将所给信号归入五大类信号中的一种型号类型。

Using covariation concept in array signal processing, the proposed algorithm can obtain clean speech signal subspace by eigendecomposition of the covariation coefficient matrix of speech signal corrupted by impulsive noise.

该算法把阵列信号处理中的协变异应用到语音增强中，对带噪语音信号的协变异系数矩阵进行特征值分解得到纯净语音信号的子空间。

"Sampling",In signal processing, sampling is the reduction of a continuous signal to a discrete signal.

"，"在信号处理领域中，取样是将信号从连续时间域上的模拟信号转换到离散时间域上的离散信号的过程。

This article from the start with the basic signal analysis, the Fourier transform, convolution theorem derivation and feasibility studies, and its use of simulation software MATLAB simulation, to be more intuitive signal of the spectrum changes, simulation discrete signal The system response.

本文就从最基本的信号系统分析入手，对傅里叶变换、卷积定理进行推导和论证，并且运用仿真软件MATLAB对其进行仿真，目的是更直观的研究信号的频谱变化关系，仿真离散信号的系统响应。

Based on random signal theory, in order to quantitatively research drilling string by vibration measurement method, the article sketches out a new methodthe identification of drillstring system using the cross correlation function. Using input signal, and output signal, the impulse response of drill-string is obtained. Some problems...

在随机信号理论基础上，提出了一种用互相关辨识钻柱系统的新方法；结合输入信号和输出信号，利用钻柱系统的脉冲响应，讨论了钻柱的临界转速、钻柱共振、钻柱与井壁之间的相互作用、所钻地层岩性等钻井工程问题。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。