The acquisition of aircraft altitude information is crucial for aviation safety and traffic control applications.Currently, it is difficult to obtain the altitude information of aircraft only through passive remote sensing methods

Smooth objects such as metals, optical mirrors, and silicon wafers generally have extremely low emissivity and high reflectivity, and are called low emissivity objects. The extremely weak radiation from low emissivity objects will

The sensitivity of the detector is the core technical indicator of the infrared detector. Short-wave infrared detector has low dark current and the sensitivity will be limited by the inherent read-out circuit noise of the detectio

The preparation of quantum dot thin films and the accurate measurement of optical constants are particularly important for the development and application of quantum dot devices in optoelectronic fields. At present, the optical co

Lasers with wavelengths around 2 μm are located in the atmospheric transmission window and at the strong absorption peak of water, and have important applications in medicine, LIDAR, material processing, and pump sources for mid-i

The presence of water in lunar materials can significantly impact the evolution of lunar geology and environment, as well as provide necessary conditions for the utilization of lunar resources. However, due to the limitations of l

When extracting coastal zone tidal flats using remote sensing transient images, the influence of tides greatly limits the accuracy of tidal flat spatial distribution extraction. With the purpose of weakening the influence of tides

Urban tree species provide various essential ecosystem services in cities, such as regulating urban temperatures, reducing noise, capturing carbon, and mitigating the urban heat island effect. The quality of these services is infl

To address the issues of low detection rate and high false alarm rate caused by complex background during sub-pixel aerial aircraft detection in hyperspectral remote sensing image, an aerial aircraft detection method was proposed

The energy received in the mid-infrared (MIR) band at the sensor's aperture includes both reflected solar energy and the emitted energy from Earth's surface. Typically, the reflected solar energy in this band is weak. However, und

Space-borne infrared remote sensing images have significant applications in environmental monitoring and military reconnaissance. Nonetheless, due to technological limitations, atmospheric disturbances, and sensor noise, these ima

Aiming at the problem that infrared small target detection faces low contrast between the background and the target and insufficient noise suppression ability under the complex cloud background, an infrared small target detection

The fusion of infrared and visible images should emphasize the salient targets in the infrared image while preserving the textural details of the visible images. To meet these requirements, an autoencoder-based method for infrared

Small target detection has been a classic research topic in the field of infrared image processing, and the objects are usually brighter than the local background. However, in some scenarios, the target brightness may be lower tha

Low-rank and sparse decomposition method (LRSD) has been widely concerned in the field of infrared small target detection because of its good detection performance. However, existing LRSD-based methods still face the problems of l

As an important emitter for terahertz radiation, photoconductive antenna arrays are limited in their application flexibility due to the fixed polarization state of traditional antennas. In response to this issue, we have designed

In this paper, a linear optimization method(LOM) for the design of terahertz circuits is presented, aimed at enhancing the simulation efficacy and reducing the time of the circuit design workflow. This method enables the rapid det