The topic focused on three aspects of the advantages of wavelet packet through the pretreatment can be more conducive to the trouble source signal separation while the details can highlight some of the signal is conducive to in-depth analysis .

本课题集中了三方面的优点，通过小波包预处理后，能更有利于 故障源 信号的分离，同时可以突出细节部分信号，有利于深入分析。

Methods are put forward which are used for unorthodoxy placement gyro fault detection and isolation when the three gyros have trouble by the attitude signal .

提出了利用姿态角 传感器在非正交配置的陀螺仪发生三个以上的 故障时进行故障检测与隔离的方法。

On the Diagnosis of Abnormal Sound Trouble in Diesel Engine by Vibration Signal

应用振动 信号诊断柴油机异响 故障的探讨

The trouble of electric cable and signal source line ;

2，电缆及 信号线 问题；

It has an important function for processing and transforming the monitoring signal and picking up the sensitive trouble sign Whether the signal analysis and processing technology is used effectively and appropriately influences follow-up diagnosis directly .

信号分析与处理是水轮发电机组状态监测与故障诊断系统的一个重要环节，它起着对监测信号进行加工、变换提取敏感的 故障征兆的重要作用，它的处理好坏直接影响着后续的诊断。

The make-believe eunuchs are making trouble at the signal .

假人妖在 信号 灯下 捣乱。

The trouble of signal translator and interface cable ;

信号转换器及接口电缆 问题；

Trouble Analysis of interlock Shut Down of Centrifugal Compressor Caused by Trouble of Oil Pressure Signal

油压 信号 故障造成离心压缩机连锁停车的故障分析

Firstly emulate the circuits with PSpice which is a classical computer emulating software for the circuits . Analyze the normal signal and the soft trouble signal through the Mont Carlo method and make them the objects to be processed .

首先，采用经典的计算机模拟电路仿真软件&PSpice对电路进行仿真分析，利用PSpice的蒙特卡洛分析法分析得到容差之内的正常信号和容差之外的软 故障 信号，以此作为处理分析的对象。

An effective solution is brought forward to the safety problems in the station which has hidden safety trouble and can 't be rebuilded that is modifying the interlocking of signal to ensure the safety of traveling . I is presented .

对存在安全 隐患且又无法改造的车站安全问题，提出了有效的解决办法，即通过修改 信号的联锁关系的方法，保证行车安全。

If you are having trouble placing the IR blaster on the set-top box correctly try using a flashlight to locate the signal receiver on the set-top box .

如果将红外遥控电缆正确放置在机顶盒上有 困难，请尝试使用闪光灯将 信号接收器定位在机顶盒上。

In order that resolve the high trouble rate of the illuminant system of the optical recording tiltmeter at seismic station a Controller of the time signal and illuminant Light is developed .

为解决地震台光记录倾斜仪灯光系统 故障率高的问题，研制了一种时 号·光源灯控器。

Because every method has its application prerequisite and limitation we must based on the characteristics of possible hidden trouble of dyke to take suitable detecting method and its combination raise the signal collecting and managing level .

同时，由于每种方法各有应用前提及局限性，故应针对可能的 隐患特征，选用合适的探测方法及其组合，并努力提高 信号采集和处理解释水平。

The design of electrical control includes starting and stopping the equipment state indication trouble treatment system signal collection .

设备的电气控制：根据污水处理要求设计了设备的电气控制与自动控制的线路，主要包括设备的启停控制、状态指示、 故障处理以及系统 信号的采集；

The application has proved that the trouble ratio has been up to zero from producing burden level signal trouble 7.7 times wind off 12.8h slow wind 41h mean every year before reforming of BF .

应用表明，高炉由改造前的平均每年发生料位测量 信号故障7.7次、休风 12.8h、慢风41h，达到零 故障。

The testing result proves that our method has good accuracy . It could acquire the trouble signal so it can be used to monitor the power transmission .

测试结果表明：本文的设计方案具有较好的精度，能够对 故障 信号进行提取，满足电力传输 故障监测的要求。

Railway signal microcomputer monitoring system is the guarantee safety monitoring signal equipment state found that the signal equipment hidden trouble analysis signal equipment fault reason instruct on-site maintenance reflected by quality and improve communication equipment maintenance level and the maintenance department .

铁路信号微机监测系统是保证行车安全、监测信号设备状态、发现信号设备 隐患、分析 信号设备故障原因、指导现场维修、反映设备运用质量和提高电务部门维护水平和维护效率的重要行车设备。

This paper studied the trouble characteristic extraction and identification methods based on snatch AR analysis wavelet many resolutions analysis and wavelet packet analysis and analyzed vibration signal characteristic extraction method for diesel engine cylinder head .

研究了基于短时AR分析、小波多分辨率分析和小波包分析的 故障特征提取和识别方法，分析了柴油机气缸盖振动 信号特征提取方法。