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Ansoft Designer / Ansys Designer 在线帮助文档：

System Simulator >
System Component Models >
Demodulators >
   Phase Shift Keying Demodulator (PSKDEM)       

Phase Shift Keying Demodulator (PSKDEM)

 

 


Property

Description

Units

Default

Range/Type

M

The order of the signal space.

M = 2: BPSK,

M = 4: QPSK, etc.

None

2

[2, 128]/Integer

RIN1

Input1 impedance

Ohm

Inf

(0, Inf]/Real

RIN2

Input2 impedance

Ohm

Inf

(0, Inf]/Real

ROUT

Output impedance

Ohm

0

[0, Inf)/Real

Ports

Input1

Real part of the complex input signal (real)

Input2

Imaginary part of the complex input signal (real)

Output

Output signal of symbols in the Range/Type 0,....., M -1 (real)

 

Notes

1. This model maps each pair of samples (one from each input signal) into one symbol k, where k is in the Range/Type 0,...., M - 1. This model is normally used in conjunction with the model ­PSKMOD (Phase Shift Keying Modulator). The symbol which corresponds to the minimum Euclidean distance from the received complex symbol is written to the output.

Netlist Form

PSKDEM:Name n1 n2 n3 M=val [Ri1=val] [Rin2=val] [Rout=val]

Netlist Example

PSKDEM:1 1 2 3 M=4



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