professionalGNSS INSTRUMENTClick the query moreTheodoliteisdesignedaccordingtotheprincipleofmeasuringAnglemeasuringhorizontalAngleandverticalAnglemeasuringinstrument,dividedintotwokindsofopticaltheodoliteandelectronictheodolite,electronictheodoliteiscurrentlyused. Theodoliteisthemechanicalpartofthetelescope,t hetelescopecanpointtodifferentdirections.Theodolitehastwomutuallyperpendicularaxistoset-upofthetelescopeazimuthAngleandheightlevel.

Manyprofessionalphotographershaveatrick,thisistheheavytripodhangoneselfcanbefoundeverywhere,inordertoincreasetheweightofthetripod.Inordertodothis,theygotomountasmallbag,filledwithsandorstone, thentieitonthelowerendofthetripodcentercolumn,duetotheincreasedweightinthecenterofgravity,thereforecanachievethepurposeofreducethetripodshaking.

Determinationofgroundpointelevation,iscalledtheelevationmeasurement.Heightmeasurementisoneofthebasicworkofmeasurement.Heightmeasurementbytheuseofinstrumentsandmeasuringmethodofdifferent, canbedividedintolevelmeasurement,andtriangulatedheightsurveying,GPSheightmeasurementandpressureheightmeasurement.Levelingiscurrentlythehighestprecisionlevelingmethod,

Instarsisfarawayfromus,eyescouldn'tdistinguishbetweentherealaloneisnotthesameasthedistancebetweenthem, soinouropiniontheseplanetsareasthesame.Let'simagineadanglingofsphericalshellcoverthewholeoftheearth,theideaoftheballiscalledthecelestialsphere(Celestialsphere), butthesestarsarefixedinthesphericalshellinside,everytimewecanonlyseehalfofthesphere.Asaresultoftheearth'srotation,

usersneedonlythroughtheeyepieceinternalcrossaimingsystem,caneasilytargetofdistance!Usingharmlesstoeyetransparentinfraredlasertransmittingandreceiving,canaccuratelymeasurethetargetdistance,itssmallsize,lighteasytocarry!

Wirelessdatatransceiverwhichgenerallyhaveafewbasiccomponents?Inthecaseofwirelessdatatransceiver,introduceitsstructure. Wirelessdatatransceivergenerallyconsistsofatransmitter,areceiver,phase-lockedloop,basebandprocessingandmodem,CPU,RS-232orRS-485interface,etc. Thebasicfunctionofeachcomponentisasfollows:

Eight,marblemeasuringtoolmeasuringtoolmeasuringtool,notasasubstituteforothertools.Forexampleandverniercaliper, anddialgaugewhenthehammer,withsteelrulerasrotaryscrewdriver,andwithasteelrulerclearscrapsarewrong.Toys, suchasthemeasuringtoolwhentakeinthehandsofthedialgaugeandarbitrarywaveorrocking-turniswrong,iseasytolosemeasuringprecision.

forimagemeasuringinstrument,theequipmentofmeasuringprecisionmeasureadeviceisimportantfactorofquality,buyersintheactualpurchaseshouldbehowtojudgetheaccuracyofequipment?Therestofthisarticlewereintroducedsimply. Firsttodetermineaccuracyofameasuringinstrument,theeffectofcanviewtheequipmentclearlikethepicture,

butthismethodisnotabletoachievethebesteffect,becausethisistohavealotofvariabilityandrandomness. Measuringinstrument,whichhasthefunctionofautomaticopensource,thisfeatureismainlyaccordingtothelightsourcebrightness,ifthebestimagedetailisoneofthemostabundantfeaturestothestrengthoftheconcretetodeterminethebestlight.