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Ansoft Designer / Ansys Designer 在线帮助文档：

System Simulator >
System Component Models >
Sources >
   Uniform Noise Source, Real (UNS)       

Uniform Noise Source, Real (UNS)

 

o


Property

Description

Units

Default

Range/Type

Nsamp

Number of samples

None

100

[1, Inf)/Integer

Sample_Rate

Output bit rate in Hz

Hz

1000

(0, Inf)/Integer

Offset

Offset of noise

None

0

[0, Inf)/Real

Deviation

Maximum deviation from offset

None

1

[0, Inf)/Real

Seed

Random Seed

None

0

[0, Inf)/Integer

ROUT

Output impedance

Ohm

0

[0, Inf)/Real

Ports

Output

Output signal (real)

Notes

This model generates a real uniform noise signal.

 

Netlist Form

AUNS:Name n1 Nsamp=val Sample_Rate=val [Offset=val]
+ [Deviation=val] [SEED=val]
+ [ROUT=val] Nexsys_component=uns

Netlist Example

AUNS:1 net_5 Nexsys_component=uns Nsamp=1024 Offset=-1
+ Deviation=2 Sample_Rate=200KHz seed=10

For an offset of -1 and a deviation of 2, the output values vary randomly between -1.0 (offset) and +1.0 (offset + deviation). The graph below compares this distribution (red) with that of a Gaussian noise source (blue).



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