HY-5001B radio altimeter is a kind of radio altimeter with all solid-state C-band, FM continuous wave, constant differential beat and closed-loop tracking and measuring system. It can ensure that the beat frequency is constant by servo control of the slope of sawtooth wave modulated by microwave oscillator, and realize the automatic tracking of height. It adopts narrow band reception, weighted frequency discrimination, equivalent spectrum front edge detection, gain PID control, sensitivity instantaneous compensation, temperature compensation, sky line frequency selection design, power silence and other technologies, which have the advantages of accurate height measurement, stable tracking, and various terrain adaptation It has the features of large range of height measurement, high precision and strong anti-interference capability.

LDG-100 radio altimeter works in C-band, which is a pulse Doppler working system. The sensitivity device adopts heterodyne type, and the antenna terminal circulator adopts the common mode of transceiver. The technology of the altimeter is mature. It is equipped with missiles and used as the control of altimeter fuze. It has the ability of high explosive height, high falling speed adaptability, anti ground clutter and sea clutter performance, and adopts pseudo-random pulse modulation technology, The pulse period is random in the given period range, which makes it difficult for jammer to determine the initial modulation pulse of fuze signal, and then to predict the delay pulse, so as to increase the anti active jamming ability.

HY-2001 altimeter is a new generation of radar altimeter designed for a small missile aircraft. It is a small full-function radio altimeter in line with aerospace standards. It is a key component for longitudinal height channel control. It can be widely used in cruise missiles and UAVs to measure the height relative to the sea or the ground. HY-2001 adopts linear modulation coefficient to adapt to height change technology and echo signal narrow-band receiving technology, which improves the product's anti active interference ability; adopts coherent local oscillator mixing, which has superior anti same frequency asynchronous interference performance; adopts echo signal spectrum front detection technology, which improves the tracking accuracy; adopts series, standardization, modularization and other three design, which has good product inheritance Based on the closed-loop tracking system, digital control technology, microwave integration technology and hybrid integration technology are adopted to realize the miniaturization of products.

HY-3001 series altimeters include HY-3001A,HY-3001B,HY-3001C,HY-3001D,HY-3001E,HY-3001F,HY-3001G,HY-3001H and other models. It is the smallest and lightest full-function radio altimeter in China and meets the aerospace standards. It is the key component for longitudinal height channel control. It can be widely used in cruise missiles and UAVs to measure the height relative to the sea or ground.
HY-3001 series altimeter adopts linear modulation coefficient to adapt to altitude change technology and echo signal narrow-band receiving technology to improve the product's anti active interference ability; adopts coherent local oscillator mixing to have superior anti same frequency asynchronous interference performance; adopts echo signal spectrum front detection technology to improve the tracking accuracy; adopts seriation, standardization, modularization and other three kinds of design to realize high-speed production Based on the closed-loop tracking system, digital control technology, microwave integration technology and hybrid integration technology are adopted to realize the ultra miniaturization of the product. It is the first full-function radio altimeter in China and is known as "high-speed rail ticket" by the industry.

HY-4001 series altimeter is the latest generation radar altimeter. Under the premise of meeting the space standard, the height gauge is extremely small in volume and the outer dimension is only 86mm52mm25mm. HY-4001 altimeter is a full-function radio altimeter, which is the key component of longitudinal height channel control. It can be widely used for flying missiles and UAVs to measure the altitude relative to the sea or the ground. HY-4001 adopts linear frequency modulation continuous wave measurement system, which has the characteristics of high precision, strong anti-interference performance, excellent battery compatibility, stable and reliable operation, and is especially suitable for the radar height measurement of ultra light and ultra small aircraft. The interface output adopts RS422 and can, which improves the reliability of product data output.
HY-4001 has realized the national production design, and meets the requirements of the users' national production.