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Strong Phonon Replicas in Be 1 s Photoemission Spectra

The Be 1s core level photoemission line from metallic Be is shown to contain unexpected internal fine structure. We argue that this fine structure is caused by intrinsic excitation of a narrow band of optical phonons in the 1s photoemission process. The general importance of the present results for high resolution core level photoemission investigations of metals is pointed out.

A GSM speech coder implemented on a customized processor architecture

- A GSM speech coder has been implemented on a custom DSP using a system for design of arbitrary processor architectures. The speech coder has been generated from a high level description to netlist. The design system allows implementation in various technologies and a netlist for Plessey gate array has been generated. Due to the rigid specification of the speech coder, the advantages of a custom

A self-assessment framework for finding improvement objectives with ISO/IEC 29119 test standard

One of the latest additions in defining the test process is the upcoming ISO/IEC 29119 standard, which aims to define a universally applicable generic test process model. However, currently the standard does not offer any support for the adoption process of the model. In this paper, we present our framework, which aims to combine a maturity level-based approach with the standard process. Our objec