In wss txheej txheem autocorrelation yog?

Cov txheej txheem:

In wss txheej txheem autocorrelation yog?
In wss txheej txheem autocorrelation yog?
Anonim

2: Lub luag haujlwm autocorrelation ntawm WSS random txheej txheem yog ib qho kev ua haujlwm; uas yog, RXX(τ)=RXX(–τ) . Cov cuab yeej no tuaj yeem tsim tau yooj yim los ntawm kev txhais ntawm autocorrelation. Nco ntsoov tias RXX(−τ)=E[X(t)X(t−τ)]. Txij li thaum x(t) yog WSS, qhov kev qhia no yog tib yam rau txhua tus nqi ntawm t.

txheej txheem WSS?

Ib txheej txheem random yog hu ua qaug zog-sensitive nyob ruaj ruaj lossis dav-sensitive nyob ruaj ruaj (WSS) yog nws txhais tau tias muaj nuj nqi thiab nws txoj kev sib raug zoo tsis hloov pauv raws sijhawm.

Dab tsi yog autocorrelation hauv cov txheej txheem random?

Introduction to Random Processes

Basic the autocorrelation function txhais tau tias ntau npaum li cas lub teeb liab zoo ib yam li lub sijhawm hloov pauv ntawm nws tus kheej . Tus txheej txheem random X(t) yog hu ua txheej txheem thib ob yog E[X2(t)] < ∞ rau txhua t ∈ T.

Dab tsi yog autocorrelation hauv cov txheej txheem stochastic?

Yog X thiab Y sawv cev rau tib txoj kev stochastic CT ces qhov sib txheeb ua haujlwmdhau los ua qhov tshwj xeeb hu ua autocorrelation. R.

Yog txoj kev Gaussian WSS lossis SSS?

yog cov txheej txheem sib koom ua ke gaussian WSS thiab SSS. Yog hais tias tus txheej txheem yog dawb gaussian suab nrov txheej txheem WSS thiab SSS nrog mean=0 thiab R(τ)=K(τ).

Pom zoo:

Nthuav cov khoom
Thaum twg tus menyuam ya mus?
Nyeem ntxiv

Thaum twg tus menyuam ya mus?

Fledglings feem ntau pib sim ya thaum cov noog muaj kwv yees li ob lub lis piam, thiab txawm tias lawv tau pib tawm hauv lub zes, lawv tsis nyob ntawm lawv tus kheej, raws li cov Massachusetts Audubon Society. Cov niam txiv feem ntau nyob ze, saib xyuas lawv cov xeeb ntxwv thiab tseem muab zaub mov.

Ntau npaum li cas 99 chinning osrs?
Nyeem ntxiv

Ntau npaum li cas 99 chinning osrs?

Feem ntau, rau 99 ntau yam, koj xav tias yuav siv sijhawm 40+ hnub kev cob qhia siv hlau lossis hlau riam phom. Tab sis kuj ceeb tias, txoj kev no raug nqi txog 30M-55Mnrog rune xub lossis mithril ntuav riam. Ntxiv rau, koj tuaj yeem ua tiav 60-99 ntau yam hauv tsawg li 15 hnub.

Dab tsi yog qhov txawv ntawm lub tshuab hluav taws xob thiab lub tshuab hluav taws xob?
Nyeem ntxiv

Dab tsi yog qhov txawv ntawm lub tshuab hluav taws xob thiab lub tshuab hluav taws xob?

Gramophone: Txhua lub suab kaw suab, lossis cov cuab yeej ua si yav dhau los-cov suab kaw, tshwj xeeb tshaj yog tias nws siv lub tiaj tiaj tiaj. Phonograph: Txhua lub suab kaw suab, lossis cov cuab yeej siv rau kev ua si cov suab uas tau kaw dhau los, tshwj xeeb tshaj yog tias nws siv lub tog raj kheej tig.