Sökning: "Sound Pressure Level SPL"
Visar resultat 1 - 5 av 12 uppsatser innehållade orden Sound Pressure Level SPL.
1. Automatic Maximum Sound Pressure Level (SPL) Measurements Inside Cars
Master-uppsats, KTH/Teknisk akustikSammanfattning : With a growing interest in technical specifications among consumers, there is a need for accessible measurement tools that enable individuals to evaluate the performance of their equipment, including common speakers and car audio systems, beyond what the manufacturer provides. However, the existing measurement systems are often geared towards professionals. LÄS MER
2. Accuracy verification of GT-Power model and reduction of computational time
Master-uppsats, KTH/Marcus Wallenberg Laboratoriet MWLSammanfattning : The noise produced by any new vehicles is tightly regulated by the European Union which have developed a standardised method for measuring the emitted noise of new vehicles. The method involves a vehicle driving past carefully positioned microphones at a specific range of engine speeds. LÄS MER
3. Investigating the Impact of Water Injection on Noise Generation During Rocket Lift-Off
Master-uppsats, Luleå tekniska universitet/RymdteknikSammanfattning : This thesis aim to provide SSC, Swedish Space Corporation, with a foundation for understanding the key ideas behind water injection during rocket lift-off, including problems to be avoided when simulating the phenomena. This investigation focus on finding approaches suitable for obtaining a rough estimate of the reduction in noise generation, when too expensive equipment required is absent. LÄS MER
4. Röstbehandling med LSVT LOUD för personer med cerebral pares och dysartri
Magister-uppsats, Uppsala universitet/Blom Johansson: LogopediSammanfattning : Approximately 50 % of all people with cerebral palsy (CP) have some form of speech or language disorder. Many of these have dysarthria, a neurological disorder that causes an impaired ability to articulate and effects respiration and phonation. LÄS MER
5. An IoT Solution for Urban Noise Identification in Smart Cities : Noise Measurement and Classification
Master-uppsats, Linnéuniversitetet/Institutionen för fysik och elektroteknik (IFE)Sammanfattning : Noise is defined as any undesired sound. Urban noise and its effect on citizens area significant environmental problem, and the increasing level of noise has become a critical problem in some cities. Fortunately, noise pollution can be mitigated by better planning of urban areas or controlled by administrative regulations. LÄS MER