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This summary will introduce the transmitter characteristic test of TD terminal products - uplink power control. According to the 3GPP TS34.122 standard, UE uplink power control is divided into uplink ...[Details]
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WiMax technology needs to demonstrate its advantages in specific application scenarios in order to gain market recognition, which requires application testing to measure system performance para...[Details]
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Abstract: Based on the research of the communication process between the reader and the RFID tag, combined with the EPC C1G2 protocol and ISO/IEC18000.6 protocol, a digital circuit of RFID tag appl...[Details]
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Lithium-ion batteries have a high energy-to-weight and energy-to-volume ratio, no memory effect, can be recharged many times, have a long service life, and are becoming increasingly cheaper. A good...[Details]
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1 Introduction
In recent years, with the rapid growth of mobile phones and MP4 video players, it is estimated that the production of mobile phones this year will reach 1 billion units, and...[Details]
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introduction
Video surveillance systems are widely used in industrial, military and civil fields, playing an important role in the security and environmental monitoring of these industries...[Details]
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IPTV (Internet Protocol TV or Interactive Personal TV), also known as interactive network television, is a new technology that uses broadband network infrastructure, takes home televisions or comp...[Details]
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With a 31-step dimming range, existing LED drivers offer good dimming capabilities, providing smooth backlight boosting or dimming effects for LCD displays. However, when the end application involv...[Details]
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FSK (Frequeney-Shift Keying) uses carriers of different frequencies to transmit digital signals. FSK signals have the advantages of strong anti-interference ability and long transmission distance, and...[Details]
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0Introduction
Microactuators, as driving components of microelectromechanical systems (MEMS), have been widely studied. In recent years, actuators made of hard magnetic and soft magnetic m...[Details]
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Today, many wireless devices combine GSM, WCDMA, Bluetooth, WLAN, GPS and FM technologies and support the high data rates required for mobile Internet. Moreover, as customers demand mobile wireless...[Details]
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Femtocell is similar to Home Node B, a small, low-cost cellular access point used to improve network coverage in personal residences and small business buildings. Usually, it is directly connected ...[Details]
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"Where am I? Where am I going? Where is he/she? How far is he/she from me?..." Do you often have such questions like me? In fact, who can deny that these are questions that we often think about, ev...[Details]
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0 Introduction
The PTZ controller designed with a single-chip microcomputer as the core can control the camera to move over a large range and at a wide angle in monitoring situations, so t...[Details]
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As modern cities develop towards multi-functionality, urban layouts become increasingly complex, with hundreds, even thousands of ground monitoring points. To ensure that functional departments can...[Details]