* Question Briefly describe the pulse oximeter? * Answer Oxygen saturation is the percentage of oxygen-bound oxyhemoglobin (Hb02) in the blood that accounts for the total bound hemoglobin (HbO2 Hb), w ...
* Question FPGA/CPLD chips are special ASIC chips.In addition to the characteristics of ASIC, what advantages do they have? * Answer (1) With the continuous improvement of the VISI process, a single c ...
* Question What is the lead antenna? * Answer The lead antenna, also known as the Yagi antenna, is an antenna widely used in meters and decimeter waves.The remaining vibrators are passive vibrators. ...
* Question What is the basic working principle of RFID? * Answer After the tag enters the magnetic field, it receives a special RF signal from the reader, and sends the product information stored in t ...
* Question What are the advantages of using the Zebeck effect? * Answer The Zebeck effect can be used not only to make temperature sensors, but also to convert thermal energy into electrical energy.Th ...
* Question What are the two meanings of the antenna port output power? * Answer The output power of the antenna port may have two meanings: one is the total power of the antenna port; the other is the ...
* Question How to exit the exception execution program? * Answer When the exception handler ends, the exception handler must perform the following operations: return to the next instruction of the ins ...
* Question What is the principle of automatic line selection for single-phase ground faults in neutral point ungrounded systems? * Answer The use of the fundamental zero-sequence current magnitude and ...
* Question What is the aggregation port used for? * Answer A trunk port is often used between switches to extend VLANs.If two users are connected to two switches in different parts of the office build ...
* Question What are the classifications of labels by energy source classification? * Answer 1 Active tag active tags are also known as active tags.Because the energy of the active tag does not come fr ...