测控数传一体化地面系统

Key figurescomparable across the catalogue

Mass

15,000 kg

Power

200 W

Data rate

7,500 Mbps

Design life

10 years

Normalised to common units so this product can be compared with others in its category. The supplier's own wording is below.

As published by the supplier

12m station – Uplink frequency

7145MHz–7250MHz, step 1kHz

12m station – Telemetry frequency

8.025GHz–8.4GHz, step 1kHz

12m station – Data transmission frequency

7.75GHz–9.0GHz, step 1kHz

12m station – Antenna diameter

12m

12m station – Main reflector surface accuracy (RMS)

≤0.5mm

12m station – Sub-reflector surface accuracy (RMS)

≤0.3mm

12m station – G/T (X-band)

≥35+20lg(Fi/F0) dB/K (F0=7750MHz)

12m station – EIRP

≥74.4+20lg(Fi/F0) dBW (F0=7145MHz)

12m station – Uplink modulation schemes

PCM-BPSK-PM, PCM-CDMA-BPSK, spread BPSK, QPSK, SQPSK, UQPSK, PCM-PM

12m station – Downlink modulation schemes

PCM-BPSK-PM, PCM-CDMA-BPSK, spread BPSK, QPSK, SQPSK, UQPSK, 8PSK, 16QAM, GMSK, 16APSK, PCM-PM

12m station – Feed uplink power tolerance

≥200W (continuous wave)

12m station – Bit sync acquisition range

±0.3% Rs (symbol rate)

12m station – Standard TT&C total acquisition time

≤15s (C/N0=51dBHz/35dBHz, Doppler ±150kHz); ≤28s (43dBHz/27dBHz, Doppler ±150kHz)

12m station – Spread-spectrum TT&C acquisition time

≤2s (C/N0=37dBHz per channel, Rb=2kbit/s, Doppler ±150kHz, Doppler rate 7.5kHz/s)

12m station – Data transmission acquisition time

≤3s @1Mbps, Eb/N0 degraded ≤2.0dB (BPSK, QPSK, SQPSK, GMSK, UQPSK, 8PSK, 16QAM, 16APSK)

12m station – Data demodulation loss (BER<1e-7)

≤1.5dB (5Mbps–600Mbps); ≤3.0dB (>600Mbps)

12m station – Target switching response time

<300s

12m station – Telemetry demodulation loss (BER 1e-5)

≤2.5dB

12m station – Command loop check accuracy

0.9999

12m station – Time accuracy (GPS/BeiDou)

better than 30ns RMS

12m station – Telemetry/Command/Data code types

RZ; NRZ-L/M/S; Biφ-L/M/S

12m station – Data recording channels

2

12m station – Single-channel recording rate

≥2Gbps

12m station – Recording bit error rate

better than 1×10-11

12m station – Acquisition/tracking elevation

3° acquisition, 5° stable tracking (unobstructed)

12m station – Pointing accuracy

better than 1/5 half-power beamwidth (<0.04°)

12m station – Tracking accuracy

better than 1/10 half-power beamwidth (<0.02°)

12m station – MTBF

≥250 hours

12m station – MTTR

≤0.5 hours

12m station – Service life

10 years

4.5m station – Uplink frequency

S: 2025-2120MHz; X: 7100-7300MHz; Ka: 27.5-30GHz

4.5m station – Downlink frequency

S: 2200-2300MHz; X: 7700-9000MHz; Ka: 17.7-20.2GHz

4.5m station – Antenna diameter

4.5m

4.5m station – G/T

Ka ≥29dB/K; X ≥26.00+20lg(F/F0)dB/K (F0=8400MHz)

4.5m station – EIRP

Ka ≥71dBW; X ≥58dBW

4.5m station – Pointing accuracy

better than 1/5 half-power beamwidth

4.5m station – Tracking accuracy

better than 1/10 half-power beamwidth

4.5m station – MTBF

≥600 hours

4.5m station – MTTR

≤0.5 hours

4.5m station – Service life

≥10 years

8m fixed station – Antenna diameter

8m

8m fixed station – X-band uplink

7145MHz–7450MHz, step 10kHz

8m fixed station – X-band downlink

7500MHz–9000MHz, step 10kHz

8m fixed station – X main duplexer

Uplink 7145-7235MHz; Downlink 7500-9000MHz

8m fixed station – X extended duplexer

Uplink 7235-7450MHz; Downlink 8300-8500MHz

8m fixed station – S-band uplink

2018.12MHz–2120MHz, step 100Hz

8m fixed station – S-band downlink

2200MHz–2301.88MHz, step 1kHz

8m fixed station – S duplexer

Uplink 2018.12-2120MHz; Downlink 2200-2301.88MHz

8m fixed station – Ka-band downlink

25GHz–27.5GHz, step 10kHz

8m fixed station – Antenna gain X-band Rx

Gr≥53.25+20lg(F/F0) dBi (LNA input, F0=8400MHz)

8m fixed station – Antenna gain X-band Tx

Gt≥51.62+20lg(F/F0) dBi (polarization switch input, F0=7200MHz)

8m fixed station – Antenna gain S-band Rx

Gr≥40.24+20lg(F/F0) dBi (LNA input, F0=2250MHz)

8m fixed station – Antenna gain S-band Tx

Gt≥39.16+20lg(F/F0) dBi (polarization switch input, F0=2025MHz)

8m fixed station – Antenna gain Ka-band Tx

Gt≥62.18+20log(f/f0) dBi (f0=26.25GHz)

8m fixed station – Antenna noise temperature

X-band ≤85K; S-band ≤128K; Ka-band ≤159K (LNA input, EL≥10°, clear sky)

8m fixed station – G/T X-band

≥31+20lg(F/F0)dB/K (F0=8350MHz)

8m fixed station – G/T S-band

≥18.5+20lg(F/F0)dB/K (F0=2250MHz)

8m fixed station – G/T Ka-band

≥37.5+20lg(F/F0)dB/K (F0=25GHz)

8m fixed station – EIRP X-band

≥70+20log(F/F0)dBW (F0=7250MHz), SSPA=200W

8m fixed station – EIRP S-band

≥58+20log(F/F0)dBW (F0=2075MHz), SSPA=100W

8m fixed station – Polarization

Circular polarization; S/X Tx: LHCP/RHCP time-shared; S/X Rx: LHCP/RHCP simultaneous; Ka Rx: LHCP/RHCP simultaneous

8m fixed station – Servo control frequency

1000Hz; response ~10ms; axis control accuracy ~0.01°; control resolution 0.001°

8m fixed station – Antenna working range Azimuth

0°~±355°

8m fixed station – Antenna working range Elevation

-1°~180°

8m fixed station – Antenna working range Tilt axis

0°~±175°

8m fixed station – Max slew speed

Azimuth 20°/s; Elevation 15°/s; Tilt 5°/s

8m fixed station – Max acceleration

Azimuth 10°/s²; Elevation 10°/s²

8m fixed station – Pointing accuracy

0.03°, better than 1/5 half-power beamwidth

8m fixed station – Tracking accuracy

S-band 1/15 beamwidth; X/Ka-band 1/10 beamwidth

8m fixed station – Axis angle resolution

0.001°

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