The Interferometer :: essays research papers fc

Abstract: The interferometer is the most accurate measuring device known to man. It was created by Albert A. Michelson. The operation of the interferometer described briefly is a light beam that is separated by a beam splitter. The two beams then travel equal distances at 90 ° of each other where they are reflected off two mirrors back through the beam splitter. They are then superimposed on to a screen. The screen will display an interference pattern of fringes. The interferometer is extremely sensitive to vibrations and should be isolated from them The interferometer is the most accurate device presently known to man, and most likely will remain the most accurate measuring device for the next hundred years† Cal Christiansen. The interferometer can measure lengths of one half the wavelength of the light source being used. With a HeNe laser (Helium Neon) this length is 316.4nm, about 1/3 of a micron. The interferometer is able to measure very small distances by the interference produced between two lasers beams. With this degree of accuracy there are clearly many uses for this device including, measuring flatness, structural stress, and making linear measurements. Albert A. Michelson is the father of the interferometer and the â€Å"Michelson Interferometer† is still used today. Michelson was born in Prussia in 1872 and later moved to the United States where he joined the U.S. Navy. As an instructor in the Navy academy he was asked to demonstrate the Foucault method of measuring the speed of light and made several improvements on it. Michelson received a grant and built his first interferometer much like the one presently used. It consisted of an Argand lamp, two mirrors, two beam splitters and an eyepiece. The device was extremely sensitive to vibrations and wasn’t accurate until it was brought to the Potsdam Astrophysical Observatory in Berlin where it was mounted on a platform designed for an equatorial telescope. With proper setup Michelson attempted to detect the presence ether, an invisible undetectable material that surrounded by all matter. This was unsuccessful and Einstein later declared that the ether did not exit and light travels at the same speed in all directions. Michelson would later receive the Nobel Prize for science for â€Å"precision optical instruments and the spectroscope and metrological investigations conducted herewith.† Several versions of the interferometer were devised by Michelson including, the interferential comparator for standardizing the meter, a mechanical harmonic analyzer for testing the harmonic motion of fringes, and a stellar interferometer for measuring the size of stars.

Consumer Data Repository System (CDRS) †Database Design

Table of Contentss Document Control General Information Revision Log Table of Contentss 1Introduction 1.1Purpose 1.2Target Audience 2ER Diagram 3Summary of Tables 4Detailed Table Design 4.1tblAccount 4.2tblAccountUpload 4.3tblIncrementalUpdateControl 4.4tblConsumer 4.5tblConsumerEmail 4.6tblConsumerPhoneOffice 4.7tblConsumerPhonehHome 4.8tblConsumerMobile 4.9tblConsumerFax 4.10tblUser 4.11tblAuditLog 4.12tblCummulativeSummary 4.13refAudit 4.14refGtariff 4.15refWtariff 4.16refSwtariff 4.17refState 4.18refDistrict 4.19refConsumerType 4.20refAccountStatus 4.21vwConsumer 4.22vwContact 5Lookup Codes 5.1District Codes – refDistrict 5.2Account Status Codes – refAccountStatus 5.3Audit Activity – refActvity1 Introduction1.1 PurposeThis papers is the Database Design for the SYABAS Consumer Data Repository System Enhancements ( CDRS ) .1.2 Target AudienceThe mark audiences for this Data Migration Specification papers include:CDRS Technical Workgroup to supervise the undertaking advancement.Customer Service Department ( CSD ) to corroborate and verify the demandsIT section to verify and O.K. the informations migration programAnalysts and developers to plan and develop informations migration processes.2 ER Diagram3 Summary of TablesNoTable NameDescriptiontblAccountShop history profiletblAccountUploadInformation related to account informations lading from BASIS to CDRS.tblConsumerStore consumer profile. A individual history may hold multiple consumers.tblConsumerEmailStore consumer electronic mail. A consumer may hold multiple electronic mails.tblConsumerFaxStore consumer facsimile figure. . A consumer may hold multiple facsimile Numberss.tblConsumerMobi leStore consumer nomadic figure. A consumer may hold multiple nomadic Numberss.tblConsumerPhoneHomeShop consumer place phone figure. A consumer may hold multiple place phone Numberss.tblConsumerPhoneOfficeStore consumer office phone figure. A consumer may hold multiple office phone Numberss.tblConsumerVerificationTrack all consumer positions – position, day of the month changed, and updated bytblUserCDRS 2 user’s information, this will include username, watchword, function, day of the month assigned, user electronic mail, last login, logout clip and etc.refAccountStatusHistory position search tabular array ( this position is the same as history position in BASIS )refConsumerTypeConsumer type search tabular arrayrefDistrictDistrict search tabular arrayrefGTariffGTariff search tabular arrayrefSTariffSTariff search tabular arrayrefWTariffWTariff search tabular arrayrefStateState search tabular arrayvwConsumerConsumer positionvwContactConsumer contact position4 Detailed Ta ble Design4.1 tblAccountFieldTypeNothingDefaultRemarksAccountIDbigint ( 20 )NoAccount IdahoDistrictCdchar ( 2 )NoDistrict codificationAccountNobigint ( 10 )NoSyabas client history no. In BASIS, this is consumer noCheckDigittinyint ( 1 )NoAccount cheque figureAccountStatusCdchar ( 2 )NoHistory position. BASIS history position codification. Mention to refAccountStatus for valid values.HouseNovarchar ( 150 )YesNothingItem 1 of reference format 13BlockNovarchar ( 150 )YesNothingItem 2 of reference format 13BuildingNamevarchar ( 150 )YesNothingItem 3 of reference format 13LotNovarchar ( 150 )YesNothingItem 4 of reference format 13Jalanvarchar ( 150 )YesNothingItem 5 of reference format 13Tamanvarchar ( 150 )YesNothingItem 6 of reference format 13Seksyenvarchar ( 150 )YesNothingItem 7 of reference format 13Kampungvarchar ( 150 )YesNothingItem 8 of reference format 13Areavarchar ( 150 )YesNothingItem 9 of reference format 13Zip codeint ( 5 )YesNothingItem 10 of reference format 13PostCodeA reavarchar ( 150 )YesNothingItem 11 of reference format 13StateCdchar ( 1 )YesNothingValid codification – S, K, PAddressvarchar ( 600 )YesNothingSingle line reference – combination of format 13Address1varchar ( 65 )YesNothingNew reference line 1Address2varchar ( 65 )YesNothingNew reference line 2Address3varchar ( 65 )YesNothingNew reference line 3Address4varchar ( 65 )YesNothingNew reference line 4Address5varchar ( 65 )YesNothingNew reference line 5Address6varchar ( 65 )YesNothingNew reference line 6ConTypeIDtinyint ( 4 )YesNothingConsumer history typeSWTariffIDtinyint ( 4 )YesNothingS DutyGTariffIDtinyint ( 4 )YesNothingG DutyWTariffIDtinyint ( 4 )YesNothingW DutyWaterConsumptiondecimal ( 10,4 )YesNothingAverage H2O ingestionIndexs:KeynameTypeFieldPrimaryPrimaryAccountIDIndexAccountNo4.2 tblAccountUploadFieldTypeNothingDefaultRemarksUploadIDbigint ( 20 )NoUpload Idaho. uniqueDistrictCdChar ( 2 )NoDistrict codificationUploadDateday of the monthNoDate informations is up loadedLastSupplyDateday of the monthNoIncremental update day of the month. Date history is activatedSuccessint ( 11 )NoNo of histories successfully uploadedFailedint ( 11 )NoNo of histories failed to be uploadedIndexs:KeynameTypeFieldPrimaryPrimaryUploadID4.3 tblIncrementalUpdateControlFieldTypeNothingDefaultRemarksDistrictCdChar ( 2 )NoDistrict codificationLastNewAccountDateday of the monthNoThis is the last supply day of the month used.LastAccountProfileDateday of the monthNoLast history profile update day of the monthLastInactiveAccountDateDateNoThis is the last discon day of the month used.LastWaterConsumptionDateDateNoThis is the last billed day of the month used4.4 tblConsumerFieldTypeNothingDefaultRemarksConsumerIDbigint ( 20 )NoConsumer Idaho. uniqueAccountIDbigint ( 20 )NoAccount Idaho.ConsumerTypeIDtinyint ( 4 )NoType – proprietor ( 0 ) , renter ( 1 ) , other ( 2 ) . Mention to refConsumerType for inside informationsNamevarchar ( 150 )NoConsumer nameNewICNovarchar ( 15 )YesNothingNew IC figure. This can besides be other mention figure. This information is based on BASIS which has other mention figure kept in this fieldOldICNovarchar ( 15 )YesNothingOld IC figureConsumerStatusint ( 3 )101 – Pending, 102 – Data Ready, 105 – DeletedLastUpdateDateday of the monthNoLast updated day of the monthLastUpdateByint ( 11 )NoRecord was last updated by who. Foreign key.Indexs:KeynameTypeFieldPrimaryPrimaryConsumerID4.5 tblConsumerEmailFieldTypeNothingDefaultRemarksEmailIDbigint ( 20 )NoPrimary keyConsumerIDbigint ( 20 )NoForeign keyElectronic mailvarchar ( 50 )NoEmail referenceDefaultStatustinyint ( 1 )No0Flag to bespeak default electronic mailLastUpdateDateday of the monthNoLast updated day of the monthLastUpdateByint ( 11 )NoUser Idaho who updated the recordIndexs:KeynameTypeFieldPrimaryPrimaryEmailID4.6 tblConsumerPhoneOfficeFieldTypeNothingDefaultRemarksPhoneOfficeIDbigint ( 20 )NoPrimary keyConsumerIDbigint ( 20 )NoForeign keyTelep honeNovarchar ( 50 )NoTelephone noDefaultStatustinyint ( 1 )No0Flag to bespeak default office phoneLastUpdateDateday of the monthNoLast updated day of the monthLastUpdateByint ( 11 )NoUser Idaho who updated the recordIndexs:KeynameTypeFieldPrimaryPrimaryPhoneOfficeID4.7 tblConsumerPhoneHomeFieldTypeNothingDefaultRemarksPhoneHomeIDbigint ( 20 )NoPrimary keyConsumerIDbigint ( 20 )NoForeign keyTelephoneNovarchar ( 50 )NoTelephone noDefaultStatustinyint ( 1 )No0Flag to bespeak default place phoneLastUpdateDateday of the monthNoLast updated day of the monthLastUpdateByint ( 11 )NoUser Idaho who updated the recordIndexs:KeynameTypeFieldPrimaryPrimaryPhoneHomeID4.8 tblConsumerMobileFieldTypeNothingDefaultRemarksMobileIDbigint ( 20 )NoPrimary keyConsumerIDbigint ( 20 )NoForeign keyMobileNovarchar ( 50 )NoTelephone noDefaultStatustinyint ( 1 )No0Flag to bespeak default mobile phoneLastUpdateDateday of the monthNoLast updated day of the monthLastUpdateByint ( 11 )NoUser Idaho who updated the recordIndexs:KeynameTypeFieldPrimaryPrimaryMobileID4.9 tblConsumerFaxFieldTypeNothingDefaultRemarksFaxIDbigint ( 20 )NoPrimary keyConsumerIDbigint ( 20 )NoForeign keyFaxNovarchar ( 50 )NoPhone no/Facsimile NumberDefaultStatustinyint ( 1 )No0Flag to bespeak default facsimile figureLastUpdateDateday of the monthNoLast updated day of the monthLastUpdateByint ( 11 )NoUser Idaho who updated the recordIndexs:KeynameTypeFieldPrimaryPrimaryFaxID4.10 tblUserFieldTypeNothingDefaultRemarksUserIDint ( 11 )NoPrimary keyUserNamevarchar ( 255 )NoUser login nameElectronic mailvarchar ( 255 )YesNothingUser electronic mail referencePasswordvarchar ( 255 )NoUser watchwordFunctionint ( 2 )NoLastLoginday of the monthNoLogoutTimeday of the monthNoAppIDvarchar ( 255 )NoDistrictCDchar ( 2 )NoNovellIDvarchar ( 150 )YesNothingAssignedvarchar ( 2 )YesNothingIndexs:KeynameTypeFieldPrimaryPrimaryUserID4.11 tblAuditLogFieldTypeNothingDefaultRemarksLogIDint ( 11 )NoPrimary keyLogDateTimetimestampNoTime castUserID varchar ( 255 )YesNothingUser ID. Foreign cardinalDisctrictCdVarchar ( 2 )NoDistrict codificationActivityIDInt ( 11 )NoActivity performed by the user. Mention to refAudit for inside informationsDisctrictCdVarchar ( 2 )NoDistrict codificationAccountIDBigint ( 20 )NoAccount. Applicable if activity is related to an historyConsumerIDBigint ( 20 )NoConsumer. Applicable if activity is related to a consumerRemarksVarchar ( 255 )NoAdditional info for the activityIndexs:KeynameTypeFieldPrimaryPrimaryLogIDIndexUserIDIndexAccountIDIndexConsumerIDIndexActivityID4.12 tblCummulativeSummaryFieldTypeNothingDefaultRemarksDisctrictCdChar ( 2 )NoDistrict codificationDateSummaryDateNoDate drumhead informations is generatedEntire Active HistoriesInt ( 11 )No0No of active historiesEntire Inactive HistoriesInt ( 11 )No0No of inactive historiesEntire ConsumersInt ( 11 )NoEssay Writing Service Fully referenced, delivered on clip, Essay Writing Service.Assignment Writing Service Everything we do is focussed on composing the best possible assignment for your exact demandsTaging Service Our Marking Service will assist you pick out the countries of your work that need betterment.View our servicesFree APA Referencing Tool Create your 6th Edition APA mentions rapidly, easy and for free!Free Harvard Referencing Tool Our free online Harvard Referencing Tool makes citing easy.Free Vancouver Referencing Tool Get aid with your Vancouver referencing with our free online tool.Free Study Guides Everything you need to cognize during your surveiesTopographic point an order now Our experts are waiting to assist you with your essayOur experts can assist you with your essay inquiryGet down your orderNo thanksRequest RemovalIf you are the original author of this essay and no longer wish to hold the essay published on the UK Essays web site so delight chink on the nexus below to bespeak remotion:Request the remotion of this essay

Different Theories And Social Issues That Affect Children...

1.) What is the one take-away that you will carry with you as you move on from this course? One of the take-aways that I will always carry with me as I move on from this course is that children are like blank slates. They are a clean whiteboard; an empty hard-drive without previous memory. What I’ve learned from this course, in general, is that there are so many different ideas and concepts that affect children and how they grow into mature adults. This course has taught me that children are one of the brightest and most intelligent people on this planet, and we can mutually benefit from them. From this course, I’ve learned different theories and social issues that can be addressed into the children in my life, and how I can grow better by working with infants and children. In Unit 1, this course really focused on the different developmental theories from a variety of theorists, and finishing with a small unit on the importance of brain development within children. From what I’ve understood about the theories and their respective theorists is that there are so many ways in which human beings can develop. In the theories we learned, we have Freud’s psychosexual analysis; Erikson’s psychosocial analysis; Bowlby’s figure-attachment theory, and many more! In each one of the theories, it all focuses on different aspects (sexual, social, relationships, etc.) that can all differentiate one child from another. As previously stated, a child’s mind is like a blank slate. As a childShow MoreRelatedPiaget And Vygotsky s Theories1729 Words   |  7 PagesDevelopmental Psychology. They spent every possible day studying the wide span of physical, cognitive, social, and emotional growth and development over a human lifespan. Apart from many criticisms regarding their work, Piaget and Vygotsky’s enduring research is an important part in children s education around the world. In addition to spreading light on a child devel ops into an adolescent and adult. 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