音频分析仪
Bruel & Kjaer 2012音频分析仪用于传感器测量和系统分析。具有彩色显示屏幕、内置磁盘驱动器和IEEE-488和RS-232-C接口，B&K 2012也有三种测量模式和一个自动序列设备。时间选择响应模式能够快速、准确地测量传感器在普通房间内的自由场响应，达到20次谐波。稳态响应模式可用于测量谐波、差频和互调失真。2012年还整合了一个1600线单通道FFT用于光谱测量。2012年有大量的后处理能力:开窗、块算术、增加极点和零、平方和平方根、绝对值和编辑响应数据。应用包括扬声器、电话、麦克风和其他电声和振动传感器的开发和质量控制测试。
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Audio Analyzer
The Bruel & Kjaer 2012 Audio Analyzer caters for transducer measurements and system analysis. Featuring a color display screen, built-in disk drive, and IEEE-488 and RS-232-C interfaces, the B&K 2012 also has three measurement modes and an Auto Sequence facility. The Time Selective Response mode enables extremely fast, accurate, swept sine measurements of the free-field response of a transducer in an ordinary room up to the 20th harmonic. The Steady State Response mode enables stepped sine measurements of Harmonic, Difference Frequency and Intermodulation distortion. The 2012 also incorporates a 1600 line single-channel FFT for spectrum measurements. The 2012 has numerous post-processing capabilities: windowing, block arithmetic, addition of poles and zeros, square and square root, absolute value, and editing of response data. Applications include development and quality control testing of loudspeakers, telephones, microphones and other electroacoustic and vibration transducers.