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Home » Unmanned System Products » MYQ-10A Barometric Altimeter
MYD-C33 Multiple Bandwidth Allocations & Star Networking
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MYD P33 High Performance Unmanned Vehicle Map Data Remote Integrated Radio

MYQ-10A Barometric Altimeter

The barometric altimeter calculates the gravitational potential height of the carrier by utilizing the atmospheric static pressure surrounding the flight vehicle. This height data is then transmitted to key avionic systems, including the flight management system, inertial navigation system, autopilot, satellite navigation system, and transponder. As a critical component of the air data system, the barometric altimeter serves as an essential navigation instrument for all types of aircraft.
The MYQ-10A barometric altimeter is a dual-channel device engineered specifically for a particular unmanned aerial vehicle (UAV) model. It incorporates silicon piezoresistive pressure-sensing elements and complies with aerospace industry standards. Designed to withstand harsh operational environments, this altimeter is well-suited for measuring atmospheric parameters across various aerospace applications, such as high-altitude high-speed UAVs and near-space ultra-long endurance UAVs. Key attributes of the MYQ-10A include its compact size, lightweight design, high measurement accuracy, broad operational range, and excellent stability.
Categories: Atmospheric Treatment, Data Communication, Partsassembly, Radar Detection, Scene Simulation
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  • Description
Description

MYQ-10A Main Electrical Performance

  • Channel number: 2 (1-way total pressure, 1-way static pressure);
  • Static pressure measurement range: 15kpa ~ 115KPA;
  • Static pressure measurement accuracy: 0.2% FS;
  • Total pressure measurement range: 20KPa ~ 250kPa;
  • Total pressure measurement accuracy: 0.2% FS;
  • Measurement range of air pressure height: – 700 ~ 14900m;
  • Air pressure height measurement accuracy: ±30m (-700m﹤H≤3000m); ±0.01×H (3000m﹤H≤14900m);
  • The range of air speed measurement: 0-1830km/h;
  • Accuracy of air speed measurement: ± 20km/h
  • Data update rate: 10ms;
  • Startup time: no more than 5S;
  • The power supply is DC dc18-36v, and the power consumption is no more than 3W;
  • Volume weight: 80mm × 70mm × 45mm, 0.5kg;
  • Working temperature: 40 ~ +60 ℃.

Related products

Electronic Countermeasure Radio Altimeter MY-18A、19A

Developed to meet the requirements of electronic countermeasures and terminal penetration, the MY-18A and MY-19A electronic countermeasure radio altimeters incorporate a range of advanced technologies including frequency agility, radiated power control, beam control, anti-burnout, anti-blocking, and echo frequency-domain processing—endowing them with excellent anti-jamming performance. Meanwhile, these altimeters also integrate a sea state identification function, which leverages information such as echo spectrum broadening, Doppler frequency, and altitude under different sea conditions to achieve accurate sea state recognition.

Subminiature Radio Altimeter MY-70B

The MY-70B radio altimeter is a solid-state C-band radio altimeter system based on frequency-modulated continuous wave (FMCW) technology, characterized by constant beat frequency and closed-loop tracking measurement. It maintains a constant beat frequency by servo-controlling the slope of the sawtooth wave that modulates the microwave oscillator, thereby achieving automatic altitude tracking. Under the condition of constant beat frequency, the measured altitude is proportional to the modulation period; thus, altitude information can be obtained by measuring the modulation period, and the system then converts this information into an altitude voltage for output. The MY-70B altimeter possesses excellent anti-jamming performance, owing to its adoption of a narrow-band receiver (with gain adjustable according to altitude) as well as technologies including equivalent spectrum front-end detection, weighted frequency identification, and automatic servo tracking. In terms of component design, its high-frequency components implement microwave integration while its low-frequency components adopt a modular design—these measures collectively enhance the product’s reliability, anti-interference capability, and electromagnetic compatibility. Additionally, the MY-70B altimeter uses RS422 and CAN protocols for its interface output, which further improves the reliability of the product’s data transmission.

MDG-300 Radio Altimeter

The MDG-300 radio height-fixing device operates in the C-band and adopts a pulse compression system. Its sensitive component is of the heterodyne type, and the circulator at the antenna terminal uses a transceiver common-mode design. Prior to missile launch, the height-fixing device is powered on, and it undergoes self-check and height presetting via the communication interface. After the missile is launched, the radio frequency (RF) module is activated, and a gate is set in accordance with the preset height. When the preset height is reached, the device outputs height-fixing command information and telemetry data. The MDG-300 height-fixing device features mature technology: its pulse compression technology can enhance the altimeter’s height measurement performance, and it has the characteristic of a wide height measurement range. Additionally, the digital pulse compression function based on FPGA (Field-Programmable Gate Array) endows it with advantages such as small size, low power consumption, and low cost.

MASS-18 Universal Echo Precision Delay Module (Miniature Universal Continuous Simulation)

The MASS-18 Universal Echo Precision Delay Module, characterized by its miniature design and universal continuous simulation capability, is a high-precision component engineered for precise echo signal delay adjustment in radio frequency (RF) testing scenarios. It specializes in delivering accurate, customizable delay for echo signals across a broad frequency range, making it compatible with diverse RF devices—including radio altimeters, surveillance radars, and communication systems—that require reliable echo signal simulation. Its compact form factor allows easy integration into space-constrained test setups, while the universal continuous simulation function ensures consistent replication of real-world signal delay conditions (such as those caused by varying altitudes or distances). By enabling precise control over echo delay, the module plays a critical role in verifying key performance metrics of target devices, such as signal capture accuracy, delay response, and data processing reliability, thereby supporting the development, calibration, and quality assurance of high-performance RF equipment with flexibility and precision.​

MASS-15 Continuous Echo Simulation Excitation System of Radio Altimeter

The MASS-15 Continuous Echo Simulation Excitation System of Radio Altimeter is a specialized testing equipment designed to support the performance verification, calibration, and development of radio altimeters. It focuses on generating stable, continuous echo signals that accurately replicate real-world altitude-related signal environments—including varying echo amplitudes, frequency characteristics, and delay parameters corresponding to different flight altitudes and terrain conditions. By providing these realistic simulated excitation signals, the system enables radio altimeters to operate under controlled laboratory conditions, allowing engineers to test key functions such as height measurement accuracy, continuous tracking stability, and anti-interference capability. Its reliable continuous echo simulation function not only replaces the need for complex and costly field tests but also ensures consistent, repeatable test results, making it an essential tool for ensuring the reliability and performance of radio altimeters in practical aviation applications.

6U Module Radio Altimeter MY-919

The MY-919 radio altimeter is a new-generation altitude-measuring radar system designed for a specific type of aircraft; as a miniaturized, full-function radio altimeter that complies with avionics standards, it serves as a key component for the control of an aircraft’s longitudinal altitude channel and can be widely applied in large aircraft and unmanned aerial vehicles (UAVs). A radio altimeter based on a frequency-modulated continuous wave (FM CW) closed-loop tracking servo control measurement system, the MY-919 adopts linear modulation coefficients adaptive to altitude changes and narrow-band reception of echo signals, granting the product strong resistance to active interference; it uses coherent mixing reception, which delivers superior performance in resisting co-frequency asynchronous interference and ensures the product has good electromagnetic compatibility; it employs echo signal spectrum front detection technology, enabling the product to maintain high precision in tracking and measurement; it follows serialization, standardization, and modularization design principles, resulting in good product inheritance; and it integrates digital frequency-domain processing and control, microwave integration technology, and hybrid integration technology, making the product stable in performance, mature, and reliable.

Subminiature Radio Altimeter MY-70A

The MY-70A radio altimeter is a solid-state C-band radio altimeter system based on frequency-modulated continuous wave (FMCW) technology, featuring constant beat frequency and closed-loop tracking measurement. It maintains a constant beat frequency by servo-controlling the slope of the sawtooth wave that modulates the microwave oscillator, thereby achieving automatic altitude tracking. Under the condition of a constant beat frequency, the measured altitude is proportional to the modulation period; thus, altitude information can be acquired by measuring the modulation period, and the system then converts this information into an altitude voltage for output. The MY-70A altimeter boasts excellent anti-jamming performance, thanks to its adoption of a narrow-band receiver (with gain adjustable according to altitude), as well as technologies including equivalent spectrum front-end detection, weighted frequency identification, and automatic servo tracking. Additionally, the altimeter’s high-frequency components are implemented with microwave integration, while its low-frequency components utilize a modular design—these measures collectively enhance the product’s reliability, anti-interference capability, and electromagnetic compatibility.

MASS-21 Echo Simulator of Radio Altimeter

​The MASS-21 Radio Altimeter Echo Simulator is capable of simulating both static and dynamic echo signals of altimeters under a variety of altitude conditions and reflection coefficient scenarios. It is compatible with radio altimeters of multiple systems, including frequency modulation (FM) systems, phase modulation (PM) systems, and pulse systems, and is also equipped with a built-in self-check function to ensure its own operational reliability during use.

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