* Question The output noise of the photomultiplier tube limits its detection of weak light. What are the main types of noise? * Answer (1) Shot noise This noise comes from the random fluctuation of th ...
* Question From the transmission mode, what kinds of electromagnetic waves are transmitted on the transmission line? * Answer (1) TEM wave (transverse electromagnetic wave): Both the electric field an ...
* Question What is a symmetric cryptosystem? * Answer The symmetric cryptosystem is also called a single-key cryptosystem, a symmetric key cryptosystem, and a secret key cryptosystem. ...
* Question What is the hierarchical structure of the frame memory? * Answer The frame memory of each preview output port (P-port) and video codec port (C-port) includes 4 Ping-pong memories. The Ping- ...
* Question What is the spectral response? * Answer The relationship between the relative sensitivity of the photoResistors and the incident wavelength is called the spectral characteristic, also known ...
* Question What are the characteristics of PID control? * Answer PID control has become one of the main technologies of industrial control because of its simple structure, good stability, reliable ope ...
* Question What are the three forms of digital output channels? * Answer 1 The actuator is directly controlled by the output port of the MCU. 2 Control the actuator through the semiconductor switch tu ...
* Question What are the performance indicators of automotive sensors? * Answer Accuracy specifications, responsiveness, reliability, durability, compactness, adaptability, output levels, and manufactu ...
* Question What are the salient features of the RFID identification technology supply chain data management method? * Answer The explicit modification of the EPCglobal standard enables the method to u ...