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■ 8608 type beam forming Beam forming is a method of mapping a noise source by identifying the level of sound by direction of the sound. This method can be measured in a very short time, and you can calculate the overall map in one measurement. It can also be used in high frequency bands. Using innovative wheel arrays in the Pulse beam forming allows you to maintain the maximum ease of use and ease of handling, and obtain acoustically optimal results. Beam forming can be measured in a very short time compared to other sound source exploration methods because all channels measure all channels at the same time. As a result, it is easy to measure in facilities that are difficult to use for a long time, such as shy rooms and wind taps, and there is no need for monotonous repetitions that were accompanied by many methods. If the measurement targets can be regarded as consisting and configured with no correlation with each other, applying a referee beam forming based on the decon volumes can improve the space resolution of the sound source map more than three times. ■ Measurement and analysis The sound field radiated from the object to be measured is measured with a large number of microphones placed a little far from the object. The microphone is placed in a flat arrangement facing the center of the measurement object. By applying a specific time delay to the signal of each microphone, you can calculate the same acoustic antenna equivalent to a parabolic reflectes with a high -sensitivity main rope at an incident angle. By repeating this calculation process for the same measurement data, the overall map of the relative sound pressure distribution from the measurement position can be obtained. In the beam forming, it is possible to calculate within the range of ± 30 ° for the center axis of the array, and can measure large objects even in small arrays. For this reason, for example, you can draw a map of the entire car from only one measurement position.
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Calculated shape type
Calculation display axis
Calculation filter
Calculation function
Calculation method
Calculation multi -core support
Calculation reference signal
Calculation sound source behavior
Change of data processing information
Confirmation of data processing information
Contribution analysis sound power calculation
Data processing database
Imaging image
Measurement data
Measurement monitor
Measurement processing
Measuring automatic processing
Number of sound source map display
Reporting Microsoft® Word report creation
Reporting cut & paste
Reporting video file generation
Search for data processing information
Sound source map display display alignment
Sound source map display playback
User interface
User interface default
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8608Handling Company
Hottinger Brüel & KjærCategories
| Image | Price (excluding tax) | Calculated shape type | Calculation display axis | Calculation filter | Calculation function | Calculation method | Calculation multi -core support | Calculation reference signal | Calculation sound source behavior | Change of data processing information | Confirmation of data processing information | Contribution analysis sound power calculation | Data processing database | Imaging image | Measurement data | Measurement monitor | Measurement processing | Measuring automatic processing | Number of sound source map display | Reporting Microsoft® Word report creation | Reporting cut & paste | Reporting video file generation | Search for data processing information | Sound source map display display alignment | Sound source map display playback | User interface | User interface default |
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Available upon quote | Plane, confominial | Time, RPM, angle | Frequency, next number | Contribution to sound pressure, sound pressure, sound intensity, reference contribution | Delaying, NNLS, Clean-Sc | Possible | Real signal | Standing, standard, unlimited | Possible | Possible | Area, component | At the same time | Shooting or reusable | time | Possible | single | Automatic storage, automatic calculation, selection calculation | 1x1-4x4 | Each frequency, each index | 1 Display, full display | Animation standards, audio standards | Possible | Camera position, data, frequency, index, color scale | Calculation point | Basic, advanced, user definition | User definition |
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