一、引言履带车辆乘员室内的噪声对车内通讯产生不利影响,在一定车速时能达到使乘员听力遭受破坏的程度。乘员室中的低频振动,能引起乘员疲劳,降低战斗力。音响在车外传播还会使自己暴露目标,易遭敌人攻击。噪声来自于不同的振动源。发动机-传动系统和行动部分是噪声振动源,它们都与车辆速度有关。七十年代研制的坦克,行驶速度大大提高,噪声和振动已成为突出问题,如不解决随速度提高而带来的这个问题,速度实际上亦难上去。最近,美国陆军部负责研究、发展与采购 I. INTRODUCTION The noise in the passenger compartment of a tracked vehicle has an adverse effect on the communication in the vehicle and can achieve the degree of damaging the occupant’s hearing at a certain speed. Low-frequency vibration in the passenger compartment can cause occupant fatigue and reduce combat effectiveness. Acoustic transmission outside the car will expose itself to the target, vulnerable to attack by the enemy. Noise comes from different vibration sources. Engine - The transmission system and the mover are noise sources, all of which are related to the speed of the vehicle. The tanks developed in the 1970s have greatly increased their speed and noise and vibration have become outstanding problems. If this problem is not solved as the speed increases, the speed is actually hard to come by. Recently, the U.S. Army Department is responsible for research, development and procurement