Weather and optical simulations made possible by Ontar.
Ontar is software that can simulate atmospheric radiation transfer, spectral analysis, and LIDAR design with high precision. 【Features】 ■ PcModWin6 can perform radiation transfer calculations (transmittance, radiance, scattered radiance, solar/moon illumination) of MODTRAN 6 through GUI operations only. ■ By selecting the line-by-line (LBL) mode of MODTRAN, high-resolution spectral analysis at the level of 0.001 cm⁻¹ can be conducted. ■ PcModWin6 automatically generates input files in both traditional tape format and JSON format, preventing errors from manual input. ■ HITRAN-PC 5.0 calculates gas absorption spectra rapidly (up to about 25 times faster) using line data from HITRAN 2012 and GEISA. ■ HITRAN-PC 5.0 allows real-time toggling of molecules and isotopes, enabling immediate visualization of absorption contributions. *For more details, please refer to the related links or feel free to contact us.
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【Other Features (Excerpt)】 ■ Betaspec 2.0 generates aerosol attenuation coefficient α and backscatter coefficient β in the range of 0.2–40 µm based on the BACKSCAT 4.0 model. ■ LidarPC incorporates the aerosol coefficients from Betaspec and HITRAN-based molecular absorption to simulate LIDAR received signal profiles. ■ PSD evaluates the SNR, detection probability, and maximum detection distance of point targets by inputting atmospheric transmittance obtained from tools like PcModWin and sensor specifications. ■ All tools can export results in graphs and text, making it easy to incorporate them into reports and other analysis software. ■ Each product supports batch execution and parallel processing on multiple PCs, streamlining the bulk analysis of large scenarios. *For more details, please refer to the related links or feel free to contact us.
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We procure and sell software from around the world according to customer requests! With a rich selection, we have numerous transaction records. We maintain one of the largest selections of overseas software sales in Japan. We procure software from around the world based on customer needs. Our overseas software procurement site, "World Soft," which we operate, sources and delivers software that can be used worldwide. Since 2004, we have introduced and sold over 5,000 overseas software products (freeware and shareware). For importing and procuring overseas software, please leave it to World Soft, an official and certified retailer. We can also arrange digital products such as unlisted software and 3D models, as well as web services, so please contact us. We also accommodate payments from public funds, school funds, and research funds. We have a wide range of transaction records with large corporations, small businesses, universities, government agencies, and research institutions.
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