Pseudorandom Sequences and The Measurement of The Frequency Response  

Oleh:

Engelberg, S. ; Benjamin, H.

Jenis: Article from Bulletin/Magazine
Dalam koleksi: IEEE Instrumentation & Measurement Magazine vol. 8 no. 1 (Mar. 2005), page 54-59.
Topik: measurement; pseudorandom; sequences; measurement; frequency response

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: II47 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

There are many ways to measure the magnitude of the frequency response of a system. The authors consider three methods and explain why they are not optimal. Then a method that uses pseudorandom sequences and explains why this method is optimal is considered. The authors discuss pseudorandom sequences and show how their properties make them nearly ideal for measuring the magnitude of the frequency response of a system. Several implementations of pseudorandom sequence generators is described. Finally, an example of a measurement made using a pseudorandom sequence is provided. Pseudorandom sequences are used in audio applications to measure the properties of loudspeakers and of rooms. Additionally pseudorandom sequences are made use of in direct sequence spread spectrum.

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