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Gradients of absorption-line strengths in elliptical galaxies

Arimoto, N; Kobayashi, Chiaki (1999-12-20)

We have restudied line-strength gradients of 80 elliptical galaxies. Typical metallicity gradients of elliptical galaxies are Delta[Fe/H]/Delta log r similar or equal to -0.3, which is flatter than the gradients predicted ...

Fully-balanced structures of continuous-time MLF OTA-C filters

Sun, Y.; Fidler, K. (IEEE, 1998)

This paper presents general fully balanced structures of continuous-time OTA-C filters based on multiple loop feedback (MLF) configurations. Both simple all pole and complex arbitrary zero fully balanced implementations ...

Minimum component multiple integrator loop OTA-grounded capacitor all-pole filters

Sun, Y.; Fidler, J.K. (IEEE, 1994)

This paper addresses multiple loop feedback minimum component OTA-grounded capacitor all-pole filters. A general theory and its formulation are presented. It is shown that many new interesting configurations can be produced, ...

The development of iHARP: a multiple instruction issue processor chip

Steven, G.B.; Adams, R.G.; Findlay, P.; Trainis, S.A. (IEEE, 1991)

During the last decade RISC ideas on processor architecture have become widely accepted. RISC architectures achieve significant performance advantages over CISC architectures by striving to execute one instruction per ...