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Frog eye imaging
01/10/2021 1171
Frog eye imaging

Technical introduction The frog squatted in the rice field, occasionally blinking its big convex eyes. Although there was a moth on the stalk in front of it, it “turned a blind eye” ". However, as s...

Chen Zhijian (Academician of the National Academy of Sciences, Immunologist)
30/09/2021 1003
Chen Zhijian (Academician of the National Academy of Sciences, Immunologist)

Character experience Chen Zhijian (8 photos) In 1966, Chen Zhijian was born in Nandou Village, Changkeng Township, Anxi County, Fujian Province. In 1979, when he was 13 years old, he entered the No....

Fellow of the American Academy of Arts and Sciences
30/09/2021 960
Fellow of the American Academy of Arts and Sciences

Introduction Since John Adams, John Hancock, James Bowden and other founding fathers founded the American Academy of Arts and Sciences during the War of Independence, they have been elected as acade...

Path planning
29/09/2021 1143
Path planning

Path planning problem classification According to the degree of grasp of environmental information, path planning can be divided into global path planning based on a priori complete information and...

Optimization theory and algorithm
29/09/2021 1268
Optimization theory and algorithm

Introduction This book is compiled by Professor Baolin Chen on the basis of many years of practice. The book includes linear programming simplex method, duality theory, sensitivity analysis, transpor...

FTTH broadband fiber access
28/09/2021 1083
FTTH broadband fiber access

FTTH technologyAdvantages of network accessFrom a global perspective, most telecom companies develop broadband access based on ADSL. However, ADSL is Broadband access technology based on copper wire....

MCA
28/09/2021 1574
MCA

Network terminologySlapsI believe everyone is already familiar with the swings. It is to use the screen to aim the knife at a non-enemy position to subtract the aim. Automatic advancement when the ene...

vdsl
27/09/2021 3160
vdsl

Specific introductionVDSL (Very-high-bit-rateDigitalSubscriberloop) ultra-high-speed digital subscriber loop. Simply put, VDSL is the fast version of ADSL. VDSL can be symmetrical or asymmetrical. Run...

Aircraft testing
27/09/2021 1450
Aircraft testing

Characteristics of the testThe flight mission to be completed by the aircraft and its characteristics determine the characteristics of the test: ①The test of the aircraft is closely related to modern...

signal cable
26/09/2021 1308
signal cable

UsageSensor signal cables are used for signal transmission of various sensors and instruments. The sensor signal cable adopts a silver-plated conductor and a multi-core structure to ensure that the re...

Cable tunnel
26/09/2021 1287
Cable tunnel

IntroductionWith the development of society, the use of electricity is indispensable for our lives, and cable tunnels are inextricably linked with electricity. A cable tunnel refers to a tunnel used t...

STM (Australian Digital Bag Brand)
25/09/2021 993
STM (Australian Digital Bag Brand)

IntroductionSTM, an Australian brand, manufactures fashionable and comfortable laptop bags and digital product protection equipment. The logo is the lowercase English letter of stm. Stm originated fro...

STM (dedicated transmission module)
25/09/2021 1051
STM (dedicated transmission module)

STM-(Special Transmission Module)It interfaces with standard ETCS vehicle equipment through STMFFFIS. The combination of STM and ETCS on-board equipment realizes a set of functions that will meet the...

Communication satellite monitoring system
24/09/2021 948
Communication satellite monitoring system

Introduction to communication satellitesCommunication satellites are the space part of satellite communication systems. A geostationary orbit communication satellite can cover about 40% of the earth's...

Distributed optical fiber temperature measurement system
24/09/2021 949
Distributed optical fiber temperature measurement system

Technical indicatorsSpatial resolution: 1m@10km, 10m@60km Number of channels: 2 Dynamic range: 30dB Configuration: Dual loop system Temperature resolution: 0.1℃ Temperature measurement accuracy: ± 0.1...