DESIGN OF TESTING SIGNAL SOURCE BASED ON DDS FOR KIS SEISMIC INSTRUMENTATION
Fu Hua and Chen Zhigao
Institute of Seismology, CEA, Wuhan 430071
Abstract High speed microcontroller is adopted, and by using the keyboard and LCD user interface, DDS chip AD9833 is controlled to generate the sine wave meeting the frequency requirements. This design provides the signals of performance and response test for the KIS seismic instrumentation, and could be used for the onsite examination of KIS seismic instrumentation. The measurement results indicated that the scheme is of high accuracy and practical value.
Key words ：
high speed micro-controller
AD9833
KIS
seismic instrumentation
frequency
Received: 01 January 1900
Corresponding Authors:
Fu Hua
Cite this article:
Fu Hua and Chen Zhigao,$author.xingMing_EN. DESIGN OF TESTING SIGNAL SOURCE BASED ON DDS FOR KIS SEISMIC INSTRUMENTATION[J]. , 2010, 30(Supp.2): 105-108.
Fu Hua and Chen Zhigao,$author.xingMing_EN. DESIGN OF TESTING SIGNAL SOURCE BASED ON DDS FOR KIS SEISMIC INSTRUMENTATION[J]. jgg, 2010, 30(Supp.2): 105-108.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2010/V30/ISupp.2/105
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