0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0

1

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0.0

Antennaaperture

Antennaefficiency

Pointing loss

Feeder loss Noisetempera

Modulation wayDemodulation way

Errorcorrection

FEC

dB

dB

dB

KHzKsym/s

km

dB

dB Downfreeloss

Receiveantenna

SNR

OBWSymbol rate

Distance

Sendantenna

Upfreeloss

1 W

43 kb/s

Viterbi

1/2

Hour 0

Year 2014

Coherent

BPSK

Month 1

Minute 0

Date 1

Second 0

PRN01

PRN03

Calculation parameter

2 dB

Send satellite No.

Receive satellite No.

Modulation parameters

Receive RF partSend RF part

Antennaefficiency

Pointing loss

Feeder loss Noisetempera

0.25 m

65 %

0 dB

0 dB

1000 K

0.25 m

65 %

0 dB

0 dB

1000 K

Operatingfrequency

Systemmarain

-microwave-

Buget time

Send po… Start

Select link type Draw and simulate Language HelpInterSatlliteBudgetSoftware

Send power

Information rate

Antennaaperture

Functional operating area

Satellite position coordinates displayMenu bar

Tool bar

Input parameters and the calculation results display

3

2

1

0

-1

-2

-3-3

-2-1

01

2 3 4

2

0

-2

K

×107

×107

PRN-6

PRN-5PRN-3

PRN-4

PRN-2PRN-1

dB

dB

dB

KHz16.124

11.2975

36.0304

210.7719

OBW

SNR

Receiveantenna

Downfreeloss

dB

dB

km

Ksym/s13.4366

41263.4045

36.0304

214.2937Upfreeloss

Distance

Symbolrate

Sendantenna

W

Kb/s6.3824

0.1

1/2

Viterbi

FEC

Errorcorrectin

Informati.. Start

PRN4

PRN5Send satelliteNo.

Recceive satelliteNo.

Calculationparameter

Antennaaperture

Antennaefficiency

Pointing loss

Feeder loss Noisetempera

0.25 m

65 %

0 dB

0 dB

1000 K

Antennaefficiency

Pointing loss

Feeder loss

Noisetempera

0.25 m

65 %

0 dB

0 dB

1000 K

Modulation way

Demodulation way

Coherent

BPSK

2

Modulation parameters

Receive RF partSend RF part

OperatingfrequencySystemmarain

Ka

dB

Hour 0

Year 2014 Month 1

Minute 0

Date 1

Second 0

Buget time

InterSatlliteBudgetSoftware

Select link type Draw and simulate Language Help

Informationrate

Sendpower

Antennaaperture

3

2

1

0

-1

-2

-3

-3-2 -1

01

23

4

2

0

-2

K

296.124

×107

PRN-6

PRN-5PRN-3

PRN-4PRN-2

PRN-1

117.8607

41263.4045

557986.3655

Upfreeloss

Sendantenna

Symbolrate

Distance

Downfreeloss

Receiveantenna

SNR

OBW

dB

dB

km

Ksym/s

296.124

117.8607

11.2975

669583.6386

dB

dB

dB

KHz

Errorcorrection

FEC

Viteribi

1/2

Antennaaperture

Antennaefficiency

Pointing loss

Feeder loss

Noisetempera

0.25 m

65 %

0 dB

0 dB

1000 K

Antennaefficiency

Pointing loss

Feeder loss

Noisetempera

0.25 m

65 %

0 dB

0 dB

1000 K

Modulation way

Demodulation way

Coherent

BPSK

2

Operatingfrequency

Systemmarain

810 nm

Hour 0

Year 2014 Month 1

Minute 0

Date 1

Second 0

dB

Modulation parameters

Buget time

0.1 W

PRN5

PRN4

Calculation parameter

Send satellite No.Receive satellite No.

Inform ... Start

Select link type Draw and simulate Language Help

InterSatlliteBudgetSoftware

Receive RF partSend RF part

265043.5236 kb/s

Send power

Informationrate

Antennaaperture