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Making MLSD decisions by thresholding the matched filter output

This paper presents an iterative detector that, by thresholding the output of the matched filter, gives maximum-likelihood sequence detector (MLSD) decisions on binary, antipodally modulated symbols that have been corrupted by intersymbol interference and additive Gaussian noise. The detector will make decisions on some, but often not all, of the symbols in a transmitted sequence, and those decisi

Mellan "jag" och andra. Nätbaserade studentdialoger med argumentering och responsgivning för lärande

The thesis is about how students can learn to use argumentation and the processes of giving responses in a web-based setting, as a tool for individual and collective learning. The thesis comprises three studies, which examine and describe how 70 distance students develop an individual and collective competence to provide feedback, critically evaluate and argue in the context of a web-based learnin

The relation between urinary incontinence and steroid hormone levels in perimenopausal women. A report from the Women's Health in the Lund Area (WHILA) study.

OBJECTIVE: To outline possible associations between urinary incontinence (UI) and serum levels of steroid hormones in middle-aged women. DESIGN AND SETTING: Community-based observational study. SAMPLE: All women aged 50-59 living in the Lund area by December 1995 were invited to a screening procedure. Sixty-four percent (n = 6,917) attended the screening that included physical and laboratory exami

Sum rules and constraints on passive systems

A passive system is one that cannot produce energy, a property that naturally poses constraints on the system. A system in convolution form is fully described by its transfer function, and the class of Herglotz functions, holomorphic functions mapping the open upper half plane to the closed upper half plane, is closely related to the transfer functions of passive systems. Following a well-known re

Tornet avslöjas

The tower revealed: On the uncovering of the remains of the central tower in the castle of Lindholmen, Scania.