Adaptive control of frequency and phase in vector analyzerMin, Mart; Ronk, Ants; Sillamaa, Hanno5th TC7 Symposium on Intelligent Measurement : Jena, German Democratic Republic, June 10-14, 1986, proceedings1988 / p. 251-256 Adaptive control of frequency and phase in vector analyzerMin, Mart; Ronk, Ants; Sillamaa, HannoIntelligent measurement : 5th International IMEKO Symposium; June, 10 - 14, 1986. vol. 21986 / p. 200-202