英汉例句

• in this paper the authors have established the relationship between structural vibration and radiated noise and identified modal parameters of the diesel oil pan.

  本文建立了结构振动与辐射噪声间的关系，识别了油底壳模志参数。

• a method of simulating vessel「s radiated noise with specified power spectrum is presented.

  给出了一种能够模拟具有指定功率谱特征的舰船辐射噪声的方法。

• in the paper, there are:analysis of acoustic characteristics of ship」s radiated noise both in time and frequency domain, especially of its tonal noise.

  分析了舰船辐射噪声的通过特性和调制特性、谱特性与总声级的特点及其差异，特别分析了舰船辐射噪声谱中线谱的特征、分类以及应用；

• the basic principle on applying the vector sensor to measure submarine radiated noise with high gain is presented in this paper. the device, measurement system and some experimental results are shown.

  本文介绍了利用矢量传感器测量舰船辐射噪声能够获取较大增益的基本原理、设备和基本构成，以及实际测量结果。

• period characteristics of radiated noise at high frequency is investigated by a method based on short time fast fourier transformation, and propeller speed is estimated.

  用短时傅立叶分析的方法研究了辐射噪声在高频段时频变化的周期性，估计了目标的螺旋桨转速。

• the radiated noise can be analyzed and its spectrum can be recorded by signal processing cell.

  信号处理模块分析噪声并记录频谱特性和时域统计特性。

• this paper described two methods on how to predict the radiated noise of engine oil pan.

  介绍了对发动机油底壳进行噪声预测的两种方法。

• a new method of low intensity radiated noise measurement is shown using acoustic combined sensor and combined signal processing with pressure and particle velocity.

  本文研究运用组合传感器和声压、振速联合信号处理技术进行低噪声通过特性的测量。

• feature extraction of targets radiated noise and design of targets classifier are key issues of passive sonar target recognition system.

  目标噪声特征提取和目标分类器设计是被动声纳目标识别系统的关键技术。

• low frequency noise of propeller constitutes the main part of radiated noise of middle-high speed ships.

  螺旋桨低频噪声构成了船舶中高速航行时整个辐射噪声中的重要分量。

• study on underwater target radiated noise modulated information extraction method;

  讨论了一种从辐射噪声中提取调制信息的联合方法。

• the distribution characteristics of surface radiated noise of a small and high speed automotive diesel engine 493zq are analyzed.

  以车用493zq型小型高速增压柴油机为研究对象，系统分析了其表面辐射噪声分布特性。

• a method for extracting modulated information from radiated noise was discussed.

  讨论了一种从辐射噪声中提取调制信息的联合方法。