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I detta arbete studeras minsta kvadratmetoden för identifiering av en linjär samplad modell med en insignal och en utsignal. Speciellt har frågan om modellens ordningstal studerats. En numerisk algoritm, som iterativt anpassar modeller med växande ordningstal, har således utvecklats. För att bestämma modellens ordningstal användes statistisk hypotesprövning. Den klassiska F-testen, som utvecklats
Det problem, som skall behandlas här, ligger inom det område av regleringtekniken, som kallas optimeringteori. Detta är ett mycket vidsträckt område med stor praktisk betydelse. Det gäller ju ofta att maximera eller minimera en viss storhet, och detta oftast då samtidigt som vi måste införa begränsningar av olika slag för andra storheter.
Optimala styrningsproblem uppkommer i samband med proce
I denna uppsats genomförs en kritisk granskning av kriminaliseringen av olaga förföljelse som infördes i brottsbalken år 2011. Granskningen görs främst i förhållande till den straffrättsliga preventionsteorin, men även gentemot de kriterier för kriminalisering som formulerat i doktrin och förarbeten. Straffrättssystemets syfte är främst att påverka medborgarna att avhålla sig från oönskade gärninIn this essay I conduct a critical review of the criminalisation of the crime ”illegal persecution” which was included in the Swedish penal code in 2011. The review is made first and foremost in the light of the criminal law theory of the criminal system as preemptive, bur also in the light of the criminalisation criteria which has been formulated both in the criminal doctrine, and in the legislat
In a recent experiment, the partial half-life (t1/2) of proton emission from the Iπ = 19/2- state of 53Co was accurately measured. A previous estimate is t1/2 ~ 17 s. The purpose of this thesis was to explain this decay and give a theoretical estimate for the dominating hindrance factors. The angular momentum J in 53Co is coupled to J = 6 for the neutrons, and J = 7/2 for the protons. All of this
The purpose of this qualitative study, with a constructivist approach, was to examine how professionals work with children as next of kin to chronically ill patients in somatic care. Through a content analysis, using local guidelines and policy documents for the work with children as next of kin, as well as semi-structured interviews focusing on how the professionals themselves describe their
The study examined social workers experiences in their work with adolescents in out-of-home care, focused on sexuality. The aim of the study was to understand their experiences with a constructionist perspective on sexuality and with a focus on the organizational context that the experiences were formed in. These perspectives were selected with the ambition to achieve an extensive view of the stud
This study aims at investigating the thematic patterns in media presentations of Swedish communal social services and the social service workers: how is the media discussion created and established? Which areas are paid the main attention? How is the field being portrayed in media? The study is based on a material found in Swedish newspapers published under a three-month period in the end of 2014.
This master thesis investigates material characterization by reflection and transmission of electromagnetic waves in the 40-60 GHz band (millimeter-wave spectrum) for different materials. The free-space measurement method is a fast, efficient and non-destructive way of examining a material and is being researched by both academics and industries. The theory of how electromagnetic waves interact w
The study examines how non-governmental organizations (NGOs) in Khartoum, Sudan work to address gender-based violence (GBV) and how they relate to international human rights law (IHRL) in the process. Emphasis is placed on how the over-politicization of GBV is hindering NGOs from effectively using IHRL as a tool. The results are based on qualitative field research, with in-depth interviews conduct
This thesis presents a study of how a 24 GHz radar can be used to measure traffic. The focus is on the software of the radar, highlighting the algorithms used in the radar measurements. The Frequency Modulated Continuous Wave (FMCW) and Frequency Shift Keying (FSK) algorithms are studied, and the FSK algorithm is also implemented on a test setup with results which show that the radar can be used t
The Asian Dragon is challenging the economic hegemony of the United States but at the same time depends on energy imports to sustain its economic growth. Most of China's Oil comes from the Middle East and Africa, and the supply passes through the Indian Ocean and the Malacca Strait, a critical choke point. Western literature has extended the idea of String of Pearls -denied by China-, consisti
Despite its OECD membership and transformation from aid recipient into a major donor of official development assistance (ODA), Japan has long been criticized for pursuing commercial interests through its infrastructure-focused ODA, which has heavily relied on its own corporate private sector for implementation. Throughout the last two decades, institutional reforms have altered the structure and
The Japanese government managed to implement the Act on the Protection of Specially Designated Secrets (SDS) in late 2014, making it easier for government agencies to withhold information. The debate that was ignited by the SDS is central to this thesis. Existing research on the SDS can be characterized as a battle for truth, with a focus on the surface effects of the law. In contrast, this paper
