So this thesis studies the active noise control technique in the cabins.
为此本文对舱室空间内的有源噪声控制技术进行了研究。
A modified algorithm of an Active Noise Control system based on Frequency-Selective Filter (FSFANC) is proposed.
提出了一种改进的选频有源噪声控制(FSFANC)算法。
In the active noise control system we apply neural network control method and derive neural network BP algorithm.
在噪声主动控制系统中采用神经网络控制方法，给出了神经网络BP算法的一种变异算法。
In active noise control (ANC), the FXLMS algorithm has been widely used for its simplicity and low computational load.
自适应噪声主动控制(ANC)中，由于FXLMS算法较为简单、计算量较小，使之得到广泛应用。
Active noise control technology has recently been used to increase the sound transmission loss of double wall structures.
噪声主动控制技术目前已用增加双隔板结构对声音进行衰减。
The active noise control system design has been becoming one of important research contents in the field of the active noise control.
基于自适应控制策略的噪声主动控制系统设计已经成为了噪声主动控制领域的重要研究内容之一。
Then the multi-channel self-adaptive active noise control system is designed, and the noise control tests are processed in a close circumstance.
设计多通道自适应有源噪声控制系统，利用滤波-X LMS算法进行封闭环境的噪声控制实验。
He has also made some remarkable achievements in the field of active noise control and nonlinear acoustics, and is still active in research work.
他还积极从事有源噪声控制和非线性声学的研究，并取得了显著成果。
In the implementation of active noise control, it is very important for accurate secondary paths modeling to keep the stability of the control system.
在有源噪声控制系统实现的过程中，次级通路建模精度对有源控制算法实现、系统的稳定性及降噪量都有重要影响。
Adaptive active noise cancellation based on the adaptive control strategy has become one of important researches in the field of active noise control.
基于自适应控制策略的有源噪声抵消技术已经成为有源噪声控制领域的重要研究内容之一。
On the basis of the above-mentioned simulation analysis, a real-time adaptive active noise control system based on engine rotation speed in a minibus is established.
在上述仿真研究的基础上，在某轻型客车上建立了的基于发动机转速的车内噪声实时自适应主动控制系统。
In this paper the active noise control in cabin is discussed, and some successful examples are presented, such as active noise control in cabin of aircraft and of autocar.
首先讨论了有界空间的有源噪声控制，并给出了一些较为成功的舱室有源噪声控制实例。例如，飞机座舱内和小汽车座舱内有源噪声控制系统和它们的降噪效果。
The active noise control technology and adaptive control technology were combined together in the paper, the adaptive and active broadband sound absorption system was designed.
本论文将有源噪声控制技术与自适应控制技术相结合，设计了自适应有源宽带吸声系统。
The research shows that the active noise controls adopted feedforward technology or feedback technology is correspond to adaptive control with measurable noise or immeasurable noise.
研究表明，采用前馈和反馈技术的有源噪声控制分别与控制理论中的干扰可测和干扰不可测的自适应控制相对应。
Active noise control (ANC) is a new high technology integrated with acoustic, adaptive control and digital signal process and it has become the research focus center of noise control.
主动噪声控制是集声学、自适应控制及数字信号处理等技术为一体的高新技术，已成为国内外噪声控制界的研究热点。
In the paper aiming at the problem of low frequency noise transmission through double panel structure, feedback active noise control technique is adopted to control noise transmission.
本文对于低频噪声在双层板结构中传播的问题，探讨采用反馈的主动噪声控制技术以达到控制噪声传播的目的。
Based on the good experimental results and the controllability for the degree of water fog, the proposed method is useful in extending the field of active noise control in duct system.
鉴于实验结果的良好性，以及雾化量的可控性，实验的方法可望推广到管道的主动噪声控制中。
Application of DSP in active noise control, noise control principle and algorithm implementation of noise control based on DSP are presented. In the end, experiment al result is also given.
介绍了DSP在有源噪声控制中的噪声控制原理、应用及基于DSP的噪声控制算法实现，最后给出了实验结果。
This paper firstly introduces an extended plant adaptive neural network model which can be on-line adapted conveniently, then presents a method of active noise control using adaptive neural networks.
本文首先引入一个能方便进行在线自适应的扩展控制对象自适应神经网络模型，在此基础上提出一种噪声有源控制的自适应神经网络方法。
The interior noise can get effective control by using the real time active and adaptive noise control system (AANC).
采用实时自适应有源噪声控制系统(AANC)可有效地控制车内噪声。
This paper presents the analogized methods and the active control experiments of the cabin noise for a propeller airplane.
本文介绍螺桨飞机舱内噪声的地面模拟方法和主动控制实验。
The properties of waveform synthesis method, which is widely applied in the active control technique of narrow band noise, is discussed in this paper.
文本讨论了在窄带噪声主动控制技术中采用的波形综合法的特性。
In the field of adaptive active noise, it is very important for characteristics of secondary paths to keep control system's stability and implement multiple channel algorithms.
在有源噪声控制研究中，次级通路特性对保持系统稳定及快速实现多通道自适应算法具有关键性的作用。
As one of the main effective means of control low-frequently noise active control has been received much attention from experts all over the world the study of it has been spread up.
噪声主动控制作为控制低频噪声的有效手段之一，目前受到行内各国专家的重视，对此研究也如火如荼。
An active noise self-tuning model predictive control approach is derived. An on-line learning algorithm is proposed for adjusting the uncertain model parameters.
将预测控制方法应用到有源噪声控制领域，给出了一种参数在线自适应算法，该算法的收敛速度不受次级声路径响应的影响。
An active adaptive noise control system in ducts is proposed, which adopts a motional feedback loudspeaker not only as an noise controlling actuator but also as a detecting sensor.
介绍了一种采用动反馈式扬声器的管道有源自适应噪声控制系统，系统中动反馈扬声器既作为有源消声系统的执行元件，也作为检测控制效果的声传感器。
So an active noise cancellation (anc) system for helicopter cabin noise based on adaptive internal model control technique, is developed in laboratory.
从而在实验室构造了一套基于自适应内模控制技术的主动消声系统(anc)。
So an active noise cancellation (anc) system for helicopter cabin noise based on adaptive internal model control technique, is developed in laboratory.
从而在实验室构造了一套基于自适应内模控制技术的主动消声系统(anc)。
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