{"id":976,"date":"2025-09-14T11:58:24","date_gmt":"2025-09-14T03:58:24","guid":{"rendered":"http:\/\/47.99.236.235\/?page_id=976"},"modified":"2025-09-21T19:47:40","modified_gmt":"2025-09-21T11:47:40","slug":"single","status":"publish","type":"page","link":"https:\/\/www.teesat.com\/en\/single\/","title":{"rendered":"Components"},"content":{"rendered":"
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Components<\/h3>\n\n\n\n

Solar arrays, star sensor, sun sensor, reaction wheels, gyroscopes, GNSS, magnetorquers, magnetometers, electric propulsion units, propellant tanks, thruster valves, multilayer insulation, optical cameras, data transmission antennas, TT&C antennas, satellite OBC, thermal control components, structural components, control moment gyros (CMGs), and SAR payloads...<\/p>\n<\/div>\n\n\n\n

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Solar Array<\/h3>\n\n\n\n

Solar cell type: Triple-junction GaAs and related materials\nConversion efficiency: \u226530%\nIndividual cell dimensions: 40mm \u00d7 60mm, 40mm \u00d7 80mm, 30mm \u00d7 40mm\nCustom sizes available upon user request\nMechanical tolerance: maximum shock response up to 300g\nTemperature range: -120\u00b0C to +120\u00b0C\nOperational lifespan: 10 years<\/p>\n<\/div>\n\n\n\n

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Star Sensor<\/h3>\n\n\n\n

Field of view: \u03a617\u00b0\nMeasurement accuracy: 1\u2033 (3\u03c3)\nDynamic performance: stable tracking at 5\u00b0\/s\n24h acquisition time: <0.2 s\nData update rate: 10 Hz\nSun exclusion angle: 30\u00b0\nLifespan: 8 years (LEO)\nWeight: 0.988 kg (with lens hood)\nDimensions: 90 mm \u00d7 90 mm \u00d7 250 mm\nPower consumption: 5W (28V)\nInterfaces: RS422, CAN, 1553B (optional)\nFor more models, please contact us.<\/p>\n<\/div>\n\n\n\n

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Sun Sensor<\/h3>\n\n\n\n

Field of view: 120\u00b0 \u00d7 120\u00b0\nMeasurement accuracy: 0.3\u00b0 (3\u03c3)\nStray light suppression: 0.6 solar constant\nData update rate: 20 Hz\nLifespan: 5 years (LEO)\nWeight: 38 g\nDimensions: 37 mm \u00d7 37 mm \u00d7 20 mm\nPower consumption: 0.2 W (5V)\nInterfaces: RS422, CAN (optional)\nFor more models, please contact us.<\/p>\n<\/div>\n\n\n\n

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\"\"\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n

Reaction Wheel<\/h3>\n\n\n\n

Maximum angular momentum: \u22651 N\u00b7m\u00b7s @ 6000 rpm\nMaximum control torque: \u226530 mN\u00b7m\nOperating modes: current, speed, and torque control\nCurrent control accuracy: better than \u00b11 mA\nTorque control accuracy: better than \u00b10.03 mN\u00b7m\nRotation speed control accuracy: better than \u00b11 rpm\nProduct weight: 1.6 \u00b1 0.1 kg\nDimensions: 130 mm \u00d7 130 mm \u00d7 90 mm\nOperating voltage: nominal 28V (range: 22.4\u201329.4V)\nStatic power consumption: \u22642W\nAverage power (in air): \u22643.5W @ 3000 rpm\nAverage power (in vacuum): \u22643W @ 3000 rpm\nPeak power consumption: \u226430W @ 30 mN\u00b7m\nCommunication interfaces: CAN, RS422\nDesign life: \u22653 years\nOperating temperature: -20\u00b0C to +50\u00b0C\nFor more models, please contact us.<\/p>\n<\/div>\n\n\n\n

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Control Moment Gyro<\/h3>\n\n\n\n

Measurement range: -20 to +20 \u00b0\/s\nBias (full temperature): \u226472 \u00b0\/h\nBias stability (room temperature): \u22640.5 \u00b0\/h (1s smoothing, 1\u03c3)\nBias repeatability: \u22641 \u00b0\/h (1\u03c3)\nData readiness time: 3 s\nTemperature range: -20\u00b0C to +55\u00b0C\nPower consumption: \u22641W @ 5V\nDimensions: (38.6 \u00b1 0.5) \u00d7 (44.8 \u00b1 0.5) \u00d7 (21 \u00b1 0.5) mm\nWeight: \u226460 g<\/p>\n<\/div>\n\n\n\n

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FOG<\/h3>\n\n\n\n

Bias stability: \u22640.03\u00b0\/h (100s, 1\u03c3)\nBias repeatability: \u22640.05\u00b0\/h\nAngle random walk: \u22640.005\u00b0\/\u221ah\nDynamic range: \u00b1100\u00b0\/s\nScale factor error: \u226450 ppm\nOperating temperature: -40\u00b0C to +70\u00b0C\nDimensions: 80 mm \u00d7 80 mm \u00d7 52 mm\nPower consumption: 3.5 W (typical at room temperature)\nWeight: 440 g\nCommunication interface: Dual RS422\nPower supply: +4.5 to +5.5 V\nService life: 3 years\nFor more models, please contact us.<\/p>\n<\/div>\n\n\n\n

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Navigation Module<\/h3>\n\n\n\n

Dimensions: 200 mm \u00d7 160 mm \u00d7 65 mm\nWeight: \u22642.55 kg\nPower consumption: \u22648W (standard mode); \u226413W (enhanced navigation mode)\nReception sensitivity: better than -160 dBW\nPositioning accuracy: position \u226410 m, velocity \u22640.2 m\/s\nDynamic orbit determination accuracy: position \u22641 m, velocity \u22640.1 m\/s\nPPP (Precise Point Positioning) accuracy: position \u22640.1 m, velocity \u22640.1 m\/s\nTiming accuracy: \u22641 \u00b5s\nCold start time: \u22642 minutes\nReacquisition time after signal loss: \u22641 minute<\/p>\n<\/div>\n\n\n\n

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\"\"\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n

Magnetorquer<\/h3>\n\n\n\n

Magnetic moment: 9 Am\u00b2\nSupply voltage: 5V\nPower consumption: 0.5W\nMagnetorquer total weight: 320 g\nMagnetorquer dimensions: \u03c611.5 \u00d7 220 mm\nOperating temperature: -40\u00b0C to +60\u00b0C\nFor more models, please contact us.<\/p>\n<\/div>\n\n\n\n

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Magnetometer<\/h3>\n\n\n\n

Power consumption: <1W\nMeasurement range: \u00b12 Gauss (0.0002 T)\nWeight: 0.2 kg\nResolution: 6.7 nT\nInterface voltage: 5V\nOperating current: 200 mA\nDimensions: 82 \u00d7 38 \u00d7 38 mm\nCommunication interface: CAN\nOperating temperature: -10\u00b0C to +50\u00b0C\nLifespan: 5 years (LEO)\nFor more models, please contact us.<\/p>\n<\/div>\n\n\n\n

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\"\"\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n

Electric Propulsion<\/h3>\n\n\n\n

Stable thrust (measured): 36 mN ~ 40 mN\nStable specific impulse (measured): 1580 s ~ 1600 s\nNominal power: 600 W ~ 720 W\nCumulative operating time: \u22655000 h\nMaximum single operating duration: \u226524 h\nOn\/off cycles: \u22655500 times\nIn-orbit lifetime: 5 ~ 8 years\nTotal impulse: \u2265700,000 Ns\nWeight (including cathode): 2.4 kg \u00b1 0.1 kg\nPeak power consumption: \u2264750 W\nIgnition startup time: 6 min \u00b1 1 s\nReliability: 0.99 (initial), 0.97 (end of life)\nTotal leakage rate: \u22640.0001 Pa\u00b7m\u00b3\/s\nPlume divergence angle: \u226420\u00b0<\/p>\n<\/div>\n\n\n\n

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\"\"\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n

Propellant Tank<\/h3>\n\n\n\n

Tank volume: Capsule-shaped (customizable per user requirements)\nFatigue life: \u2265100 cycles (0 to 20 MPa pressure cycling)\nLeak rate: At 15 MPa working pressure, leak rate \u2265 0.0000001 Pa\u00b7m\u00b3\/s (helium leak test)\nWorking pressure: 0 to 15 MPa\nProof pressure: 22.5 MPa\nBurst pressure: >30 MPa\nReliability: 0.999 over 7 years\nMaterial: Titanium alloy\nOperating temperature: 20\u00b0C to 45\u00b0C<\/p>\n<\/div>\n\n\n\n

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Propulsion Switch<\/h3>\n\n\n\n

Central thruster thrust: 105 N @ 14 MPa\nSide-mounted thruster thrust: 52 N @ 14 MPa\nSwitching response time: <20 ms\nSwitching life: \u22656000 cycles\nOperating pressure: 1.4 MPa ~ 17 MPa (external tank required)\nPower consumption: 8W ~ 12W per thruster\nOperating voltage: 24 ~ 36 VDC\nWeight: 450 g \u00b110%\nOperating temperature: -20\u00b0C to +50\u00b0C\nInternal leakage rate: \u226410 sccm (nitrogen)\nExternal leakage rate: \u226430 sccm (nitrogen)<\/p>\n<\/div>\n\n\n\n

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\"\"\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n

Multilayer Insulation<\/h3>\n\n\n\n

Operating temperature: -110\u00b0C to +150\u00b0C\nUnit mass: 20 g\/m\u00b2\nAvailable unit counts: 5, 10, 15, 20, 30\nThickness per unit: 0.5 mm\nIn-orbit units deployed: >100 sets\nCumulative operational time: >70,000 hours\nDelivery lead time: 15 days<\/p>\n<\/div>\n\n\n\n

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Optical Camera<\/h3>\n\n\n\n

Imaging mode: Push-broom imaging\nResolution: Better than 0.5 m\nSwath width: 15 km\nPanchromatic band: 450 nm \u2013 700 nm\nBlue band: 430 nm \u2013 510 nm\nGreen band: 510 nm \u2013 580 nm\nRed band: 630 nm \u2013 690 nm\nNear-infrared band: 740 nm \u2013 895 nm\nSignal-to-noise ratio: 35 dB\nData rate: 6.62 Gbps\nDimensions: \u0424770 mm \u00d7 1430 mm\nPower consumption: \u2264190 W\nWeight: \u224840 kg<\/p>\n<\/div>\n\n\n\n

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Integrated TT&C and DT Unit<\/h3>\n\n\n\n

Envelope dimensions: 94.45 mm \u00d7 90.6 mm \u00d7 44.65 mm\nWeight: 520 g\nPower consumption:\nStorage: \u22643.5 W\nTC: \u22645.5 W\nTC + Telemetry: \u226411 W\nTelemetry + DT: \u226420 W\nPower supply: 12V\nTelemetry and TC mode: Spread spectrum system\nSpreading method: Direct Sequence Spread Spectrum (DSSS)\nDT power: 33 dBm \u00b1 0.5 dBm\nDT coding: LDPC, code rate 7\/8\nStorage capacity: 60 GB\nDelivery lead time: 5 months<\/p>\n<\/div>\n\n\n\n

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OBC<\/h3>\n\n\n\n

Envelope dimensions: 94 \u00d7 94 \u00d7 16 mm (94 \u00d7 94 \u00d7 31 mm)\nPower consumption: 1.2 W\nWeight: <120 g (200 g)\nPower supply: 5.2 V (5.2 V \/ 12 V)\nMain frequency: 100 MHz\nCommunication interfaces:\n2 \u00d7 CAN bus (3.3V, compatible with 5V)\n4 \u00d7 RS422 bus (3.3V, compatible with 5V)\nDigital input channels: 6\nTiming accuracy: better than 10 \u00b5s\nMemory capacity: 8 MB\nIn-orbit units: 2\nDelivery lead time: 5 months<\/p>\n<\/div>\n\n\n\n

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Thermal Control Component<\/h3>\n\n\n\n

Envelope dimensions: 150 mm \u00d7 120 mm \u00d7 57 mm\nWeight: 1.3 kg\nPower consumption: 8.5 W (including DCDC static power)\nPower distribution: 6 \u00d7 28V, 8 \u00d7 12V, 5 \u00d7 5.2V\nHeater control: 15 channels, max 10W per channel\nTemperature\/analog acquisition: 34 channels, 12-bit resolution\nFuse control: 2 channels, current 5~6 A\nDelivery lead time: 4 months<\/p>\n<\/div>\n\n\n\n

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\"\"\n\t\t\t\n\t\t\t\t\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n

SAR Payload<\/h3>\n\n\n\n

SAR radar frequency band: X-band\nCarrier frequency: 9.6 GHz\nApplicable orbital altitude: 500\u2013550 km\nField of view (FOV): 20\u00b0\u201345\u00b0\nMaximum radar bandwidth: 1 GHz\nPolarization: VV polarization\nResolution @ swath width:\nSliding spotlight mode 1: 0.3 m @ 3 km (azimuth) \u00d7 3 km (range)\nSliding spotlight mode 2: 0.5 m @ 5 km (azimuth) \u00d7 5\u20138 km (range)\nSliding spotlight mode 3: 1 m @ 10 km (azimuth) \u00d7 10\u201315 km (range)\nStripmap mode: 2 m @ 20 km\nAmbiguity level: Better than -20 dB\nAntenna type: Reflector antenna (umbrella-shaped)\nAntenna deployed diameter: 4 m\nPayload peak power: 3.6 kW\nDuty cycle: 15%\u201325%\nTotal payload power consumption: About 2 kW\nPayload weight: ~65 kg<\/p>\n<\/div>\n<\/div>\n\n\n\n

\u00a9 2025 by MUMEISKY \u4eacICP\u59072025107526\u53f7-1<\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

\u5355\u673a\u4ea7\u54c1 \u592a\u9633\u7535\u6c60\u9635\u3001\u661f\u654f\u611f\u5668\u3001\u592a\u9633\u654f\u611f\u5668\u3001\u52a8\u91cf\u8f6e\u3001\u9640\u87ba\u4eea\u3001\u5bfc\u822a\u6a21\u5757\u3001\u78c1\u529b\u77e9\u5668\u3001\u78c1\u5f3a\u8ba1\u3001\u7535\u63a8\u8fdb\u5668\u3001\u50a8\u7f50\u3001\u63a8\u8fdb\u5f00 […]<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-976","page","type-page","status-publish","hentry"],"yoast_head":"\n\u5355\u673a\u4ea7\u54c1 - \u5546\u4e1a\u822a\u5929\u4e00\u5e26\u4e00\u8def\u7684\u5148\u884c\u8005 | \u5317\u4eac\u6c90\u7f8e\u661f\u7a7a\u79d1\u6280\u6709\u9650\u516c\u53f8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.teesat.com\/en\/single\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5355\u673a\u4ea7\u54c1 - 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