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Home » Unmanned System Products » MASS-03 Radio Altimeter Continuous Echo Signal Simulator
MY-5001B Radio Altimeter for Sea Condition Identification
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MASS-06 Continuous Echo Simulation Excitation System of Radio Altimeter

MASS-03 Radio Altimeter Continuous Echo Signal Simulator

The MASS-03 Radio Altimeter Continuous Echo Signal Simulator is a specialized testing device designed to generate stable, continuous echo signals that replicate real-world altitude-related signal environments for radio altimeters. Tailored to support the development, calibration, and performance verification of radio altimeters, it accurately simulates various echo signal characteristics (such as amplitude, frequency, and delay) corresponding to different altitude scenarios, enabling users to test critical functions of radio altimeters—including height measurement accuracy, tracking stability, and anti-interference performance—under controlled laboratory conditions. By providing reliable, repeatable continuous echo signals, the simulator eliminates the need for costly and complex field tests, streamlining the testing process while ensuring radio altimeters meet design specifications for accuracy, stability, and robustness in practical operation.

Categories: Atmospheric Treatment, Data Communication, Partsassembly, Radar Detection, Scene Simulation
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Description

Product Description

  • Working frequency: 4.2~4.4ghz (the working frequency can be customized according to the user’s requirements);
  • Maximum allowable bandwidth: 200MHz;
  • Maximum allowable input power: 26dBm (can be customized according to user requirements);
  • Simulation height range: 1-4000m;
  • Simulation height resolution: 0.2m;
  • Absolute accuracy of simulated height: ± (0.2+0.005×h) m;
  • Correction accuracy after simulated altitude measurement: ± (0.2+0.002×h) m;
  • Height change speed: -500~500m/S;
  • Maximum attenuation of loop: not less than 130dB;
  • Minimum attenuation of loop: no more than 40dB;
  • Dynamic range of loop attenuation: not less than 80dB;
  • External volume: 3U standard cabinet of simulator body;
  • Control mode: Reflection memory control;
  • Working temperature: 0-50 ℃;
  • Storage temperature: 20-60 ℃.

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Full Function Radio Altimeter MMK-4

The MMK-4 altimeter is a full-function radio altimeter that meets aerospace standards; serving as a key component for longitudinal altitude channel control, it can be widely applied in cruise missiles and aircraft to measure altitude relative to the sea or ground. The MMK-4 adopts linear modulation coefficient technology adaptive to height changes and echo signal narrow-band receiving technology to enhance the product’s resistance to active interference, uses coherent local oscillator mixing to achieve superior performance in resisting co-frequency asynchronous interference, employs echo signal spectrum front detection technology to improve tracking accuracy, and follows the design principles of serialization, standardization, and modularization—endowing it with good product inheritance, maturity, and reliability.

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MASS-06 Continuous Echo Simulation Excitation System of Radio Altimeter

The MASS-06 Echo Signal Simulation Excitation System, hereinafter referred to as the "Simulation Excitation Source", is a dedicated equipment designed for the hardware-in-the-loop (HIL) simulation of radio altimeters. It serves as a key component in replicating real-world echo signal scenarios, providing targeted excitation signals that enable the radio altimeter to operate under simulated physical conditions—effectively bridging the gap between theoretical testing and actual operational environments to validate the altimeter’s performance, responsiveness, and reliability.

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Employing a linear frequency-modulated continuous wave (LFMCW) measurement system, the MY-4001 exhibits outstanding characteristics, including high precision, strong anti-interference capability, excellent battery compatibility, and stable, reliable operation. These attributes make it particularly well-suited for radar altitude measurement in ultra-light and ultra-small aircraft. For interface output, it adopts RS422 and CAN protocols, which effectively enhances the reliability of the product's data transmission.

Radio Altimeter MY-3001D

The MY-3001D radio altimeter incorporates two key technologies: a linear modulation coefficient technology that adapts to altitude changes and a narrow-band receiving technology for echo signals, both of which effectively enhance the product’s resistance to active interference. It also adopts coherent local oscillator mixing, granting it superior performance in resisting co-frequency asynchronous interference, and employs echo signal spectrum front-edge detection technology to boost tracking accuracy. In terms of design, the altimeter follows the principles of serialization, standardization, and modularization. While retaining its closed-loop tracking system, it further integrates digital control technology, microwave integration technology, and hybrid integration technology to achieve product modularization. Additionally, it is equipped with a silent function, which further improves the product’s anti-interference capability. This radio altimeter is applicable to cruise missiles and unmanned aerial vehicles (UAVs) for measuring the altitude relative to the sea surface or the ground.

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