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Qaagi - Book of Why

Causes

Effects

the unmatched local oscillators in the transmitter and the receiver(passive) caused bythe system frequency offset

to +472(passive) was setthe 4065 Frequency Offset

by mode change(passive) caused byfrequency shift offsets

This mobilitycausessmall frequency offsets

the difference between transmitter and receiver oscillator frequencies and channel(passive) is caused byCarrier frequency offset

by the motion of mobile terminal or the frequency instability of the oscillator in the transmitter and/or the receiver(passive) is ... caused bycarrier frequency offset

by the Doppler effect(passive) caused byThe burst frequency offset

slight DC offsetwill causea slight frequency offset

by oscillator errors(passive) caused bycarrier frequency offset

temperature and voltage variation(passive) caused byfrequency shift

by offset of the center frequency of the filter(passive) caused byapplicable to frequency offset

hand capacitancecan causefrequency shift

your sound card , which G - tune can not compensate for unless you have access to expensive calibration equipment(passive) caused bya slight frequency offset

by thermal drift(passive) caused mainly bythe offset frequency fluctuation

high - speed movement(passive) caused byDoppler frequency offset

to be present between the first frequency of the transmitted light pulse and the second frequency of the optical local oscillator light , where the frequency offset(passive) is causedA frequency offset

by frequency difference between local oscillator of transmitter and receiver or due to Doppler shift(passive) caused bythe frequency offset

by the metal of the device generator(passive) caused bythe resonant frequency offset

any events on the systemcausefrequency deviations

transmitter frequency drift , an instantaneous Doppler frequency shift on the air interface caused by a change in the distance between a mobile terminal and a base station due to the movement of the mobile terminal , or by RF down - conversion frequency error(passive) may be caused byThe frequency offset

by offset of the center frequency of the laser , but also applicable to frequency offset caused by offset of the center frequency of the filter(passive) caused byto frequency offset

the change in the loading amount caused by setting the capacitor array 23 to have a reduced capacitance valuecausesa frequency offset

by a frequency drift of the local oscillator 10 ( or an oscillator on a transmitter side(passive) caused bya frequency offset

Frequency The Frequency control is usedto seta frequency offset

the Doppler shift and the local frequency offsets at the transmitter and the receiver(passive) is contributed byThe frequency offset

by Doppler frequency drift or frequency drift between transmitter and receiver oscillator(passive) caused byfrequency offset

by motion of either the transmitter or receiver , and the phase of the received signals(passive) caused bythe frequency offset

by the first change in power(passive) caused bya frequency offset

by Doppler frequency offset and the frequency differences(passive) caused bythe frequency offset

by a difference between the carrier frequencies at the transmitter and the receiver results in(passive) caused byA frequency offset

by Doppler frequency offset and(passive) caused bythe frequency offset

by the Doppler 's frequency(passive) caused bya frequency offset

Doppler effect , inaccuracies in either the transmitter or receiver clock , and so on(passive) might have been caused byThis frequency offset

by the relative motion of the satellite and receiver ( the Doppler effect(passive) caused bythe frequency offset

Further , also phase noisemay contributeto the frequency offset

temperature changes(passive) caused byfrequency deviations

by the reduced capacitance value of the capacitor(passive) caused bythe frequency offset

by the change in power(passive) caused bya frequency offset

by the receiver 's oscillators(passive) caused byany frequency offset

the receiver 's oscillators(passive) caused byany frequency offset

signal distortionwill causesignal distortion

of 10 short preamble ( S1-S10is composedof 10 short preamble ( S1-S10

similar interference amountscausessimilar interference amounts

smaller mean value and larger variancecausessmaller mean value and larger variance

phase rotation , amplitude distortion and loss in synchronizationcausesphase rotation , amplitude distortion and loss in synchronization

to inter - carrier interference(ICIleadsto inter - carrier interference(ICI

a phase rotationcausesa phase rotation

in Inter carrier Interference ( ICIresultsin Inter carrier Interference ( ICI

This phenomenon(passive) is caused byThis phenomenon

oftencausesoften

a number of impairmentscausesa number of impairments

loss of orthogonality between sub - carrierscausesloss of orthogonality between sub - carriers

a cumulative rotation for every successive samplecausesa cumulative rotation for every successive sample

due to frequency / phase related distortionis causeddue to frequency / phase related distortion

for each of the two sidebands and LO voltageis ... setfor each of the two sidebands and LO voltage

to inter - carrier interferenceleadsto inter - carrier interference

a phase rotation of the modulation at a rate equal to the frequency offsetcausesa phase rotation of the modulation at a rate equal to the frequency offset

a phase rotation of the modulation at a rate is equal to the frequency offsetcausesa phase rotation of the modulation at a rate is equal to the frequency offset

the received signals to " spin " about the origincausesthe received signals to " spin " about the origin

inaccurate resultscan causeinaccurate results

large errors in the signal valuescauseslarge errors in the signal values

flight and device phase offset(passive) caused byflight and device phase offset

when a frequency of a local oscillator ( LO ) is shifted from a carrier frequency of a signalcausedwhen a frequency of a local oscillator ( LO ) is shifted from a carrier frequency of a signal

your desired signal to appear at an unexpected frequencycausingyour desired signal to appear at an unexpected frequency

a remaining frequency error(passive) caused bya remaining frequency error

the phase measurement error(passive) caused bythe phase measurement error

a shift in the center frequency of the Doppler spectrumeffectively causesa shift in the center frequency of the Doppler spectrum

change for amplitude and the rotation caused by carrier k.causeschange for amplitude and the rotation caused by carrier k.

a phase increase of the samplescausesa phase increase of the samples

a loss of sub - channel orthogonality which results in Inter Carrier Interference ( ICI ) and hence performance degradationcausesa loss of sub - channel orthogonality which results in Inter Carrier Interference ( ICI ) and hence performance degradation

in a larger estimation range but less precisewill resultin a larger estimation range but less precise

a constant phase rotation(passive) caused bya constant phase rotation

a phase rotation of the modulationcausesa phase rotation of the modulation

the potential timing error(passive) caused bythe potential timing error

phase rotation in the input samplescausesphase rotation in the input samples

also the distortion(passive) caused byalso the distortion

a loss in the cross - correlation 's ... >causeda loss in the cross - correlation 's ... >

the other station to sound off - key for a changecausesthe other station to sound off - key for a change

a phase rotation(passive) caused bya phase rotation

adjacent channel interferencecausesadjacent channel interference

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