Tell what is the AHD used in the truck monitoring system
Recently, the network eye AHD, as a new product and technology in the field of high-definition security, has aroused widespread concern in the industry. Many people do not fully understand what AHD is. Truck monitoring system manufacturers here give you a more comprehensive explanation. 1. Concept In a general sense, AHD is the abbreviation of American Heritage Dictionary, that is, the phonetic transcription of American traditional dictionary. This interpretation is often used. From a security perspective, AHD stands for Analog High Definition. Analog High Definition means simulating high resolution. Regarding High Definition, in simple terms, we usually call the format with a physical resolution above 720p as HD, or HD for short. The vertical resolution refers to 1080i, 720p or 1080p. 1080i refers to a resolution of 1920×1080, adopts interlaced scanning, and presents 30 full frames per second; 720p refers to a resolution of 1280×720, adopts progressive scanning, and presents 60 comple...