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Introduction to the exhibits of Nanjing Tianjiyida Communication Technology Co., Ltd.

Introduction to the exhibits of Nanjing Tianjiyida Communication Technology Co., Ltd.

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The company's products mainly include:

Satellite communications:

1. CDMA/FDMA dual-mode satellite communication system

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* Support voice, short message, data, video and Internet access services;

* Support satellite IoT business;

* Support FDMA/DAMA, CDMA/ALOHA two multiple access methods;

* Support vehicle-mounted, ship-borne, and portable terminals;

* Support ultra-small aperture terminals with antenna diameter less than 0.5 meters;

* Has a complete system power control function, automatically realizes the transmission power adjustment and communication power control;

* Has completely independent intellectual property rights.

2. CDMA/FDMA dual-mode satellite modem

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* Support FDMA and CDMA two multiple access methods;

* Support two communication modes: networking and point-to-point;

* Support data communication protocols such as TCP and UDP;

* Support FXO, FXS two second-line voice interfaces;

* With 2 times, 4 times, 8 times small spread spectrum mode;

* With two independent channels, network management channel and business channel;

* There are two access methods: gateway and bridge;

* There are two application modes of 1U standard chassis and embedded board card;

* It has the ability to feed power and reference power amplifiers and low-noise amplifiers.

3. Helicopter satellite modem

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* Adopt a new anti-rotor occlusion algorithm, which can work continuously, and the channel utilization rate reaches 93%, which can be adapted to helicopters with a variety of different rotor types and parameters;

* With large frequency deviation acquisition and tracking capabilities, it can effectively combat Doppler frequency shift and satellite frequency deviation jitter of helicopter flight;

* Low demodulation threshold, Eb/N0 is about 2.7dB when the bit error rate is 1e-6;

* Antennas and power amplifiers of different calibers can be configured according to different models, providing a variety of speed options;

* Mode selection, parameter configuration and status query can be performed on the modem through the front panel, web interface, etc.;

* The equipment meets military standards and has strong environmental adaptability; it has electromagnetic shielding capabilities, and has the ability to prevent vibration, shock, salt spray, and mold;

* Integrated terminal design, light weight, the weight of the main station modem is less than 10kg, and the weight of the airborne modem is less than 2.5kg;

* It has two application modes: 1U standard chassis and embedded board.

4. UAV satellite modem

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* Embedded board;

* Support data communication protocols such as TCP and UDP;

* Support FXO, FXS two second-line voice interfaces;

* With 2 times, 4 times, 8 times small spread spectrum mode;

* There are two access methods: gateway and bridge;

* It has the ability to feed power and reference power amplifiers and low-noise amplifiers.

5. Satellite communication carrier monitoring system

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The satellite communication carrier monitoring system includes two parts: monitoring equipment and management center. The system receives various signals forwarded by the satellite, measures its power, bandwidth, frequency spectrum and other parameters, analyzes the existing abnormal and interference signals, and can obtain and save the satellite transponder. Operating status data, realizing the monitoring of transponder resource usage, ensuring timely detection of transponder interference, and providing historical data such as spectrum and signal parameters and statistics on resource usage, assisting in optimizing satellite transponder resource management and troubleshooting, and improving satellites Communication system management level.

  * Distributed--multi-device remote coordinated monitoring;

  * Broadband-broadband reception, narrowband analysis;

  * Real-time-real-time analysis, real-time judgment;

  * Automation-spectrum acquisition, signal analysis, and interference detection are automatically completed;

  * Intelligence-multi-dimensional cognition, spectrum mining;

  * Networking-remote access and collaborative monitoring.

   Aerospace measurement and control communication:

  6, "Global Communication TM" space-based measurement and control communication system

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The "Global Communication" measurement and control system is the first space-based measurement and control communication system with global coverage and full real-time online service for commercial aerospace. It can provide satellite owners with full real-time and full coverage satellite remote control telemetry, communication, measurement and control management, operation and maintenance, etc. .

  * can achieve global coverage;

  * Low power consumption, small size and light weight;

  * It has two application modes: conventional mode and emergency mode;

  * Expand the visible range during launching into orbit: the coverage area of ​​the ground station can still be remotely measured and controlled without counting seconds;

  * Real-time monitoring of state after entering orbit: telemetry backhaul, real-time monitoring of satellite state;

  * Timely return of important data when in orbit: When in orbit, important data of the satellite is returned in time;

  * Global emergency handling in case of emergencies: remote control commands are uplinked at any time, emergency handling of emergencies.

  7, satellite measurement, control and data transmission integrated transponder

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  * High sensitivity capture;

  * High-precision tracking;

  * Efficient channel coding and decoding;

  * Integration of measurement, control and data transmission.

   8. Relay satellite measurement and control terminal

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  * High sensitivity capture (-132dBm);

  * High-precision tracking demodulation;

  * Efficient channel coding and decoding.

  9. Comprehensive test equipment for satellite measurement and control system

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  * Support the test of multiple modes of measurement and control transponder;

  * Support uplink channel simulation;

  * Support link error rate test;

  * Support answering machine status display;

  * Support remote control command simulation and comparison;

  * Support telemetry frame simulation and comparison;

  * Support test data backtracking.

  10, satellite-borne/missile-borne Beidou navigation system high dynamic RDSS terminal

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  * Provide reliable RDSS communication services for missiles, satellites and other users;

  * Adapt to complex sports environments such as carrier high-speed movement and posture changes;

  * Supports multi-antenna transmission and reception.

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wangchao@china-satellite.org       lantianyi@sat-china.com       huangxu@sat-china.com

Service Hotline:+86-10-58494900       

Fax:+86-10-63332807       

Contact person:Wang Chao Lantianyi Huang Xu
E-mail:
wangchao@china-satellite.org       

lantianyi@sat-china.com       

huangxu@sat-china.com

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