查询词典 luminous flux

Keywords: data compression;data identification;wavelet transform;magnetic flux leakage inspection;pipeline

中文关键词：数据压缩；数据识别；小波变换；漏磁检测；管道

According to signals obtained in magnetic flux leakage detection of oil pipe wavelet transform method is adopted for signal processing.

为了解决输油管道运营中管道腐蚀问题，需定期对输油管道进行无损检测，采用小波变换的方法处理漏磁信号，分析探讨了漏磁检测的原理，指出采用小波变换中的Mallat算法可以有效地对漏磁信号进行处理，使信号便于储存和分析。

The potential superiority of the Pulsed Magnetic Flux Leakage technique has been shown in detecting corrosion on metal pipeline.

在金属管道腐蚀检测方面，脉冲漏磁技术显示了潜在的优势。

A two-stage self-adapting filter method is proposed for implementing noise decrease in magnetic flux leakage signals.

介绍一种两级自适应滤波算法对漏磁信号进行降噪的实现。

Using the state equations of the flux control power amplifier, a linear mathematical model was set up.

利用磁通控制型功率放大器的状态方程，建立了线性化的数学模型。

Our company is mainly producing all kinds of (silver, copper, aluminum, nickel) solder, flux as well as fire low-melting products.

我公司目前主要生产各种焊料、焊剂以及消防低熔有关产品。

The flux\|averaged concentration of nitrate\|nitrogen at the reference depth is obtained from the experimental data monitored by non\|weighting lysimeters.

应用传递函数模型对硝态氮(NO-3 N)在土壤中的运移进行模拟研究是近十几年在土壤物理领域的一个新的研究方向。

In cgs units, a magnetizing force gives rise to a flux density or field, with the units being equal in magnitude if in free space.

在厘米-克-秒单位制中，磁化力在自由空间中产生等量的磁通密度或场强。

Finally, the wave equation of the electromagnetic field of this kind damper isderived from the Maxwells equation. The magnetic flux density at the boundary isassumed to be harmonic, so the analytical result of the wave equation is solved. When therotor rotates, eddy currents flowing inside the conducting material field are caused. Thetangential force acting on the rotor because of the action between eddy currents andmagnetic field is produced. The tangential force causes a retardation torque, which leadsto the increase of power and heating effects.

最后，应用Ahrens的电磁轴承简化模型，从Maxwell方程出发推导了应用于本文所述的被动式电磁阻尼器的波动方程，并用傅立叶级数把矩形磁场展开的谐变磁场作为磁场的边界条件，通过求解波动方程得到磁场的解析解，从而计算了阻尼器对转子的电磁力和由涡流引起的切向力产生的阻尼器附加功耗。

The aerodynamic performance of bowed blade becomes worse when the ejection flux is getting larger in the mid-span.

在叶高中部喷气量较大时，弯叶片的气动性能下降较大。

Alternatively, the con- trollers can use the synchronous rectifier itself or loss- less inductor current-sensing methods to provide overload protection with lower power dissipation.

另外，康威特罗勒斯可以使用同步整流器本身或亏损减少电感电流检测方法，以提供低功耗过载保护。

Mr. Dauber's other Schatz hangs in his home movie studio.

多伯把沙兹的另一件作品挂在家里的电影室。