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Ansoft Designer / Ansys Designer 在线帮助文档：

System Simulator >
System Component Models >
Probes >
   Bit Error Rate Probe (BERP)       

Bit Error Rate Probe (BERP)

 

 


Property

Description

Units

Default

Range/Type

Name

Probe name

None

Required

String

INITSAMP1

Number of initial samples removed from input1 waveform

None

0

[0, Inf)/Integer

INITSAMP2

Number of initial samples removed from input2 waveform

None

0

 

RIN1

Input1 impedance

Ohm

Inf

(0, Inf]/Real

RIN2

Input2 impedance

Ohm

Inf

(0, Inf]/Real

Ports

Input1

Input1 signal (real)

Input2

Input2 signal (real)

 

Notes

1. This model is used to calculate the BER in a digital communications systems by comparing a transmitted stream of binary bits (Input1) with the corresponding received data stream (Input2). The total error count (ErrorCount) is incremented by 1 each time a mismatch is detected between the two input streams. The final BER value is computed as:

 Systems with low BERs require an increased number of bits to be transmitted through the sys­tem to obtain an accurate measure of BER

Netlist Form

BERP:Name n1 n2 [Initsamp1=val] [Initsamp2=val] [Rin1=val] [Rin2=val]

Netlist Example

BERP:My_Berp 1 2



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