Iinzwa zanamhlanje ziyahluka ngokubanzi kumgaqo kunye nesakhiwo. Indlela yokukhetha abenzi boluvo ngokufanelekileyo ngokwenjongo ethile yokulinganisa, into yokulinganisa kunye nemekobume yokulinganisa yingxaki yokuqala ekufuneka isonjululwe xa kulinganiswa ubungakanani obuthile. Xa i-sensor izimisele, indlela yokulinganisa ehambelanayo kunye nezixhobo zokulinganisa nazo zinokumiselwa. Ukuphumelela okanye ukungaphumeleli kweziphumo zokulinganisa kuxhomekeke kumlinganiselo omkhulu ekubeni ngaba ukukhethwa kweenzwa kunengqiqo.

1. Qinisekisa uhlobo lwenzwa ngokwento yokulinganisa kunye nokusingqongileyo komlinganiselo.

Ukuphumeza umlinganiselo othile, kufuneka siqale siqwalasele ukuba luhlobo luni lwenzwa olusetyenziswayo, olufuna ukumiselwa emva kokuhlalutya izinto ezininzi. Kuba, naxa ulinganisa ubungakanani obufanayo bomzimba, kukho iintlobo ezininzi zezivamvo onokuthi ukhethe kuzo, kwaye yeyiphi efanelekileyo ngakumbi, kufuneka sithathele ingqalelo ezi ngxaki zilandelayo ngokweempawu ezilinganisiweyo kunye neemeko zokusetyenziswa kwesivamvo: ubukhulu kuluhlu lokulinganisa; Iimfuno zesithuba esilinganisiweyo kumthamo wenzwa; Ingaba indlela yokulinganisa idibanisa okanye ayidibanisi; Indlela yokutsalwa komqondiso, umlinganiselo wentambo okanye ongaqhagamshelwanga; Umthombo woluvo, lwasekhaya okanye olungeniswe ngaphandle, olufikelelekayo, okanye oluziphuhlisileyo.

Emva kokuqwalasela ezi ngxaki zingasentla, sinokugqiba ukuba yiyiphi inzwa yokukhetha, kwaye emva koko siqwalasele isalathiso esithile sokusebenza kwenzwa.

2, ukhetho lovakalelo

Ngokubanzi, ngaphakathi koluhlu lwe-sensor, okukhona uvakalelo lwenzwa, lungcono. Ngenxa yokuba kuphela xa uvakalelo luphezulu, ixabiso lophawu oluphumayo oluhambelana notshintsho olulinganisiweyo lukhulu, oluyinzuzo ekuqhubeni umqondiso. Nangona kunjalo, kufuneka kuqatshelwe ukuba uvakalelo lwe-sensor luphezulu, kwaye ingxolo yangaphandle engahambelani nokulinganisa kulula ukuxutywa kuyo, kwaye iya kwandiswa yinkqubo yokukhulisa, eya kuchaphazela ukuchaneka komlinganiselo. Ngoko ke, kuyafuneka ukuba i-sensor ngokwayo kufuneka ibe ne-signal-to-noise ratio kwaye izame konke okusemandleni ukunciphisa iimpawu zokuphazamiseka ezivezwa ngaphandle.

Uvakalelo lwenzwa luyalathisa. Xa ubungakanani obulinganisiweyo bu-unidirectional, kwaye i-directivity yayo iyadingeka ukuba ibe phezulu, abenzi boluvo abanovakalelo oluphantsi kwezinye iindlela kufuneka bakhethwe; Ukuba i-vector elinganisiweyo yi-multidimensional vector, encinci i-sensitivity ye-cross ye-sensor, ingcono.