According to the calculation and analysis of the decline and attenuation of subjective rating attenuation method, the NVH robustness characteristics and change rules of three different types of cars at different mileage stages are obtained, which provides a reference for the NVH robustness analysis of ...
Noise Level rating or N in NVH (Noise, Vibrations, and Harshness) is the measurement or amount of noise generated by a car. Hence, it is directly proportional to the car’s overall level of comfort. The government’s certification agencies define the law and regulate the maximum level of e...
整车NVH控制技术 AutomotiveNVHControlTechnology 庞剑博士 Jian(James)Pang,Ph.D.长安汽车股份有限公司ChanganAutomobileCo.Ltd.2009年7月16日 1 July16,2009 1.汽车NVH问题 NVHProblems 2.汽车NVH控制方法 NVHControlMethods 3.汽车NVH技术的发展 DevelopmentofNVHTechnology 4.中国汽车NVH状态 StatusofChinaAutomotiveNVH...
高里程NVH性能对顾客长期的满意度来说越来越重要 Vehicle high mileage NVH performance is becoming more crucial for long term customer satisfaction 有必要识别引起高里程NVH恶化的原因 Necessary to identify major reasons which cause high-mile NVH degradation NVH稳健性分析 NVH Robustness Analysis 稳健性: 在使...
Rating 评估第20页/共41页 21 客观评估 Objective Evaluation 整车级客观评估的内容: Items of Vehicle Level Objective Evaluations: 驾驶员和乘客耳朵的声音: Driver and passenger ears sound: sound level and sound quality 地板或座椅轨道的振动 Floor or seat track vibration 方向盘的振动 Steering wheel ...
• Sporty cars’ customers need strong engine sound and exciting feeling • Luxury cars’ customers need quite sound and comfortable riding Objective Evaluation: Use analytical method and test to evaluate NVH 5 Subjective Evaluation • Subjective Rating: 级度 接受对象 2 3 4 不能接受 所以...
20、 NVH,车外通过噪声的评估 Pass-by Noise Evaluation 车内NVH的评估 Interior NVH Evaluation,车内NVH评估的两个方面 Interior NVH Evaluation 主观驾评 Subjective driving evaluation 客观测试评估 Objective testing evaluation,主观驾评打分 Subjective Evaluation Rating,评估,22,客观评估 Objective Evaluation,整车级...
drivershavedifferentopinionsonNVH•Sportycars’customersneedstrongenginesoundandexcitingfeeling•Luxurycars’customersneedquitesoundandcomfortableridingObjectiveEvaluation:ObjectiveEvaluation:UseanalyticalmethodandtesttoevaluateNVH6SubjectiveEvaluationSubjectiveEvaluation•SubjectiveRating:•SoundQuality级度12345678910不能...
7. 28 years' experience in researching, developing and supplying auto parts for Japanese cars since 1995 Certifications Company Profile Exhibition Show:We attend professional auto parts trade fair to promote our products. A great many of customers would come to our ...
12 Volt only unit and had a 10 watt power rating on VHF and about 8 Watts on UHF. The Solid State Dispatcher was made in all three bands. The same chassis was used in an unrelated UHF radio called the "Airport Dispatcher," a dash mount industrial radio intended for flight service ...