The simulation system for spacecraft acoustic test
航天器虚拟噪声试验系统方案设计
High frequency control of acoustic test of FY-2 satellite
“风云二号”卫星噪声试验高频段控制问题研究
The difference between random vibration tests and acoustic tests is analyzed with respect to their frequency ranges,energy inputs,vibration modes and transmission paths,respectively.
文章首先从频率范围、输入能量、振动模态和传递路径等四个方面对随机振动试验和噪声试验的差异进行了详细分析;之后从内声场和结构传递振动两方面对组件级试验的有效性进行初步评估,着重讨论组件级振动试验项目的优化选择方法;通过综合考虑,对航天器系统级振动试验项目的选择提出了合理建议。
Research on Noise Test of New Hy-Vo Silent Chain
新型Hy-Vo齿形链的噪声试验研究
Comparative Research between Random Vibration Test and Acoustic Test for Small-Satellite
小卫星随机振动试验和噪声试验对比研究
Noise Test for Vehicle Gas Source Device Using Sound Intensity Method
声强法在车辆气源装置噪声试验中的应用
Study of Vacuum Booster Test-table Measure and Control System;
真空助力器噪声试验台测量与控制系统的研究
Study of Vacuum Booster Test-machine Sound Insulation and Drive System;
真空助力器噪声试验台隔音与驱动系统的研究
Research on the Sound Insulation Theory and Experiment Based on Noise of Motorcycle;
摩托车噪声屏蔽隔声理论与试验研究
Experimental Research about Combustion Noise of CA6110 Diesel;
CA6110柴油机燃烧噪声的试验研究
Experimental Research of Relationship between Traffic Noise and Traffic Forecasts
交通噪声与交通流量关系的试验研究
Optimization of Interior Noise by Experimental Modal Analysis
通过顶棚模态试验分析优化车内噪声
Acoustic similarity is the base of scaled model tests of underwater structure noise.
声学相似性是水下结构噪声模型试验的基础。
The Model Experiment and Acoustic Characteristic Study on Noise Barrier;
降噪声屏障的模型试验和声学特性研究
Experimental Study on Noise Sources Identification of Vehicle Based on Sound Intensity Method
基于声强法的整车表面噪声源识别试验研究
Experimental study on noise sources identification of vehicle based on microphone array technology
基于声阵列技术的汽车噪声源识别试验研究
Noise measuring analysis on the ground test of solid rocket motor
固体火箭发动机地面试验的噪声测试分析(英文)
Experimental research on noise frequency spectrums of internal combustion engine power station and the noise reduction measures
中、小型内燃机电站噪声频谱试验研究及降噪措施
Test Research on Vibrations and Noise Level in Transformer Core
变压器铁心振动和噪声特性的试验研究
Engine Noise of DF-150 Tractor
东方红-150拖拉机发动机噪声的试验研究
Simulation Calculation and Experimental Study on Combustion Noise Control with Pilot Injection;
预喷射控制燃烧噪声的仿真计算与试验研究