「$SourceFrequency」：修訂間差異
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=='''Format'''== | =='''Format'''== | ||
$SourceFrequency | $SourceFrequency | ||
'' | ''freq range f<sub>σ</sub> f<sub>t0</sub>'' <font color=green>// all are floating points.</font> | ||
<font size=3> | <font size=3> | ||
Source% | Source%freq, Source%range, Source%fac_sig, Source%fac_t0 | ||
</font> | </font> | ||
When the units digit of type in [[$SourceType]] is | |||
1: only ''freq'' works, which represents what the frequency is. | |||
2: ''range f<sub>σ</sub> f<sub>t0</sub>'' | |||
3: ''freq range f<sub>σ</sub> f<sub>t0</sub>'' | |||
4: ''freq ????'' | |||
''range'' means what the bandwidth you want to simulate. <br> | |||
''f<sub>σ</sub>'' means the edge of bandwidth is located at ''f<sub>σ</sub>''th of Gaussian sigma (σ). <br> | |||
''f<sub>t0</sub>'' means the source starts at ''f<sub>t0</sub>'' times σ. <br> | |||
=='''Example'''== | =='''Example'''== | ||
$SourceFrequency | $SourceFrequency | ||
1e15 0.5e15 3 5 | |||
This means the center of frequency is 1e15 Hz, 1.5e15 and 0.5e15 are at 3σ of Gaussian distribution, and the source will starts when the time is over 5σ. | |||
== '''Related commands''' == | == '''Related commands''' == | ||
: [[$SourceType]], [[$SourcePosition]] | : [[$SourceType]], [[$SourceAmp]], [[$SourcePosition]], [[$SourceFrequency]] | ||
於 2021年2月25日 (四) 05:37 的最新修訂
Format
$SourceFrequency freq range fσ ft0 // all are floating points.
Source%freq, Source%range, Source%fac_sig, Source%fac_t0
When the units digit of type in $SourceType is 1: only freq works, which represents what the frequency is. 2: range fσ ft0 3: freq range fσ ft0 4: freq ????
range means what the bandwidth you want to simulate.
fσ means the edge of bandwidth is located at fσth of Gaussian sigma (σ).
ft0 means the source starts at ft0 times σ.
Example
$SourceFrequency 1e15 0.5e15 3 5
This means the center of frequency is 1e15 Hz, 1.5e15 and 0.5e15 are at 3σ of Gaussian distribution, and the source will starts when the time is over 5σ.