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16255 Uppsatser om Frequency Assignment Problem - Sida 29 av 1084

CARABAS III Konstruktion av antenninstallation på helikopter

This report describes the construction work of a radar antenna for the radar systemCARABAS. CARABAS is a long wave airborne ground radar that has been developed bySAAB Microwave Systems and will now be mounted on a small helicopter, Schweizer 300.The antenna should be able to fold up and down. When the radar is in use the antenna islowered and under transport, start and landing the antenna is folded up. An emergency dropfunction should also be included in the design of CARABAS III.The extent of this report includes construction of the antenna, frame structure attached to thehelicopter, mechanism for folding the antenna up and down and mechanism for emergencydrop function. The mechanical design of the antenna and frame structure is based on modaland stress analysis, vibration measurement of Schweizer 300 and frequency analysis, andcalculations regarding aerodynamic drag and mechanics.The exciting frequencies of the helicopter and accelerations at those frequencies weredetermined by vibration measurement and frequency analysis.

Problem vid drift av interorganisatoriska informationssystem

Interorganisatoriska informationssystem (IOS) är en teknik som finns att tillgå organisationer vilket gör det möjligt för dessa att på ett relativt enkelt sätt kommunicera direkt med deras affärspartner och utbyta data som är till nytta i deras affärsrelation. IOS minskar kostnaden för utbyte av information och ökar organisationernas informationstillgänglighet. Vi kommer i denna studie undersöka vilka specifika problem de olika organisationerna upplever vid drift av IOS. Vi vill även uppmärksamma varför organisationer upplever dessa problem, samt även visa på förebyggande åtgärder. Undersökningen genomfördes med hjälp av kvalitativa intervjuer med fyra organisationer.

Konstruktion av transportvagn för mat

This thesis is the result of the class Examensarbete, 15 credits of the mechanical engineering program at Halmstad University. The class represents the final part of the program with the aim to attain a Bachelor of Science. It´s a project made during the spring 2014 in collaboration with Alutrade AB and ScanBox Thermo Products AB.The assignment is to develop a new transportation trolley for ScanBox. The aim is to complement their range with a product that opens up to new markets. That set new demands for materials and also manufacturing- and assembly methods.

Introduktion av förstakalvare i AMS : en enkätstudie

Habituation to an automatic milking system (AMS) for cows in their first lactation differs from habituation to other milking systems. In AMS the cows are supposed to visit the milking station (MS) voluntarily. The milking takes place individually during the whole day, except when the milking system is cleaned. Milking is carried out without any human survey. The aim of the study was to describe the cow?s introduction in AMS in their first lactation.

Mjölkningsfrekvensens påverkan på mjölkproteinets sammansättning och kvalitet :

In modern dairy production the milking frequency is increased in some herds due to introducing of automatic milking systems or the farmers decision to milk high producing dairy cows more than two times a day. With more frequent milkings the milk yield increases while the content of fat and protein decreases. However, how the composition of protein is influenced is not fully evaluated. The purpose of this study was therefore to see if a higher milking frequency had any impact on the milk production and especially on the protein composition. This study was conducted as a half udder experiment.

Stamskador i gallringsbestånd

This study was conducted on a property with a thinning machine team. The purpose was to investigate in which machine, the harvester or the forwarder, that caused most damage to the trees in six different stands. Different factors, related to the damage frequency in the stands, were checked out. For example: basal area per hectare, thinning strength, tree diameter and the rate of production. The harvester drivers were also interviewed about how, when and why stem damages occur and how to minimize them. The study stated that 4.3 percent of the trees were damaged. Out of these 88 percent was caused by the harvester and the rest, 12 percent, by the forwarder..

Histiocytära sjukdomar hos Berner Sennenhund :

The histiocytic diseases are generally rare in dogs and not much is known about the disease. The disease complex that includes both a reactive form and a tumour form, is however common in certain breeds, among them the Bernese Mountain Dog. As the literature is very limited on the subject of histiocytic diseases, my aim with this thesis has been to gather current knowledge of these diseases. I have also attempted to estimate the frequency of the diseases among the Swedish Bernese Mountain Dogs and investigate if they appear to be more common among certain families..

Effektivare offentliga läkemedelsupphandlingar : identifiering av problem och potentiella lösningar

Effektivare offentliga upphandlingar kan enligt tidigare forskning innebära stora möjligheter till besparingar för det svenska samhället. Upphandling av läkemedel till slutenvården är ett område som många aktörer identifierat som problematiskt. Syftet med studien är därför att identifiera problem och potentiella lösningar med upphandling av läkemedel. Tillvägagångssättet var att analysera allmänt påtalade problem och lösningar med upphandling samt empiriska resultat från intervjuer och en enkät utifrån problem finding and problem solving metoden. De empiriska resultaten var fyra huvudsakliga problem: (1) olikformighet i kravspecifikationer, (2) bristande dialog mellan aktörer, (3) för kort tid mellan tilldelningsbeslut och avtalsstart samt (4) omfattande dokumenthantering.

Lågoffsetkomparator

Detecting small signals with a comparator demands that the total voltage offset is lower than the actual signal. The total offset includes the voltage offset in the comparator and the voltage offset that is created by the offset currents that flows thru the load at the comparators input. The goal with this comparator that has been developed has been that it will have a total voltage offset at maximum 500 uV. The comparator does not need to be extremely fast or does not need to operate in a big frequency area. To have all the flexibility that is needed a full custom technique is used.

Inflytandet av problemrepresentationer för jämställdhetsintegrering

This thesis uses the ?What's the problem?-approach developed by Carol LeeBacchi. This approach studies how the problem that a certain policy is supposedto take care of is represented. Each representation will rest upon certainassumptions and will accordingly support certain solutions while other solutionswill be considered less suitable to the problem as it is represented.The thesis therefore evaluates the competing problem representations forgender mainstreaming in Sweden. The theory chapter explores two developmentpossibilities for gender mainstreaming, based on diversity and deliberativedemocracy.

Variationer i revisionsprocessen - påverkar externrevisorns individuella förutsättningar revisionen?

The purpose of this paper has been to examine the question whether accountants differ in their auditing depending on their individual characteristics. We have summarized our own theory based on previous research and our own ideas. To conduct this purpose we used a deductive method. Our findings from the study show that we cannot exclude the possibility that accountants vary in their auditing depending on their individual characteristics. The answering frequency to our survey was only 47 %, and this may have affected the outcome of our research.

Modell och analysverktyg för beräkningav frekvensförlopp

The power system modelled in this thesis work has been developed for simulationwhen e.g. the production in some part of the power system is changed. The powersystem has been modelled according to the swing mass of the system, the frequencydependency of the load and the turbine governor. The model determines the systemfrequency, the period of regulation and the power exchange between the differentsubsystems in the Nordic synchronized system.In this model the system frequency is assumed to be the same in all different parts ofthe power system and the voltage conditions in the power system are neglected. Forthat reason power swings does not occur between different subsystems in the powersystem, which usually occur as a result of the swinging connection between thetransmissions line.

Malmmineralogisk undersökning av Pb-, Zn-, Cu- och Ag-förande kvartsgångar i Värmskogsområdet, mellersta Värmland

AbstractPolymetallic (Pb-Zn-Cu-Ag-Au-Sb-As-Bi-Cd-Te-Se-Ge?) quartz veins occur in an area from Eidsvoll in southeastern Norway to west of LakeVänern in southwestern Sweden. They most likely formed during the waning stage of the c. 1 Ga Sveconorwegian orogeny. In Värmskog parish, Värmland county, several mineralized quartz veins of different types are known.

Icke-farmakologiska åtgärder för att förebygga förstoppning hos äldre personer - En litteraturstudieNon-pharmalogical measures to prevent constipation for older people - A literature review

Bakgrund: Förstoppning är ett av de vanligaste symtomen från mag- och tarmkanalen och att drabbas av förstoppning kan vara en hemsk upplevelse. Tillståndet påverkar personen både fysiskt, mental, socialt och existentiellt, vilket leder till försämrad livskvalité. Syfte: Att beskriva vilka icke-farmakologiska åtgärder som finns för att förebygga förstoppning hos äldre personer över 65 år. Metod: Studien genomfördes som en allmän litteraturstudie där vetenskapliga artiklar söktes i databaser på Internet och manuellt i referenslistor. Åtta vetenskapliga artiklar inkluderades i studien och dessa analyserades och utformades till ett resultat.

Fj?llen som en allm?nning En milj?ekonomisk studie om externaliteter i rensk?tselomr?den

Climate change is expected to increase the frequency and intensity of extreme weather events, with significantimplications for the financial stability of insurance markets. This study analyses how nature-related insurancepayouts and required solvency capital may develop over the period 2025?2099 under three emissions scenarios: RCP 2.6, RCP 4.5 and RCP 8.5, and what this means for the long-term sustainability of insurance as an economic institution. Using Monte Carlo simulation of a non-homogeneous Cram?r-Lundberg model, claimfrequency is modelled as a negative binomial process calibrated against SMHI's climate projections, and claimsizes are approximated by a lognormal distribution fitted to Swedish insurance data (NATY, 2015?2023).The results show that accumulated insurance payouts amount to SEK 96.7 billion under RCP 2.6, SEK 106.0billion under RCP 4.5 and SEK 131.9 billion under RCP 8.5.

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