计算机网络课程的内容通常包括网络技术和协议，包括网络层、数据链路层、物理层和应用层, 本地网络（LAN）和广域网（WAN), 路由器和交换机, 网络安全和网络管理.
COMP4336/9336 Mobile data networking W9 Quiz: RF Sensing 1. What is the resolution of an FMCW radar utilising the frequency band 77GHz- 81GHz? c) 30cm d) 60cm e) 90cm 2. What is the resolution of pulse radar operating with 100ns pulses? a) 5m d) 20m e) 100m 3. A 60GHz radar is likely to a) […]
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Wireless LAN I IEEE 802.11 Basics ©2020 Mahbub Hassan 1. IEEE 802.11 vs. WiFi 2. IEEE Standards Numbering System 3. Key features of 802.11 4. 802.11 Bands and Channels 5. Hidden Node Problem and 4-Way Handshake RTS/CTS) 6. 802.11 MAC (inter-frame space, PCF, DCF) 7. 802.11 Architecture and Addressing 8. 802.11 Frame Format 9. 802.11
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COMP4336/9336 Mobile data networking W7 Quiz: Cellular Networks Q1. Using a cluster size of 3, a cellular operator can reuse its spectrum every 6 km if each cell has 2 km radius. a) TRUE b) FALSE Cluster size of 3 means N=3. D=R x sqrt{3N} = 2km x sqrt{3×3} = 6 km A cellular operator
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b) c) d) e) COMP4336/9336 Mobile data networking W3 Quiz: WiFi Basics + Mainstream WiFi Which of the following protocol mechanism helps address the hidden node problem in Carrier Sensing Virtual Carrier Sensing Although a total of fourteen 22-MHz channels is defined for 2.4 GHz DSSS WLANs, the 14th channel is not always available. The
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IEEE 802.11 Evolution ©2020 Mahbub Hassan 1. Chronology of IEEE 802.11 Amendments 2. Maths of WiFi Data Rates | Modulation and Coding Scheme 3. 802.11a/b/g 4. 802.11n: Channel Bonding, Aggregation 5. 802.11ac: Multi-User MIMO 6. 802.11ax: OFDMA ©2020 Mahbub Hassan q 802.11-1997: 2 Mbps Legacy WiFi in 2.4GHz (now extinct!) q 802.11b-1999: Higher speed modulation
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COMP4336/9336 Mobile data networking W10 Quiz: All contents 1. An FMCW radar has a range resolution of 150mm. Which of the following statements cannot be true? The radar chirps sweep from 24GHz-25GHz b. The radar chirps sweep from 79GHz-80GHz c. The radar chirps sweep from 77GHz-78GHz d. The radar chirps sweep from 79GHz-81GHz e. The
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c) 15 d) -20 e) -10 COMP4336/9336 Mobile data networking W1 Quiz on PHY Fundamentals I A telephone line is known to have a loss of 15 dB. The input signal power is measured at 1 Watt, and the output signal noise level is measured at 1 dBm. What is the signal to noise ratio
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CSCI435/CSCI935 Computer Vision – Algorithms and Systems Subject Review & Final Exam Lecturer: Assoc/Prof Wanqing Li Room 3.101 Web: http://www.uow.edu.au/~wanqing 25/10/2021 Subject Learning Outcomes On successful completion of this subject, students are expected to: • Understand the principle of digital image and video cameras. • Use image enhancement techniques. • Use object detection and recognition
Unreal Estate Final Report Clive Chen Emmanuel Kozman Gagandeep Nain Table of Contents Introduction 2 Context 2 Project Purpose 7 Project Design 8 Overview of Components 8 Diagrams 11 UML (use link for full image) 11 ER Diagram 12 Software Architecture Diagram 13 User Scenarios 14 All Users 14 Renter 15 Advertiser 16 Sequence Diagram
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School of Computer Science and Engineering COMP3431: Robot Software Architecture Assignment 1: Turtlebot Rescue with ROS Due Date: Week 5 Version 1.0: Version 1.1: Version 2.0: Initial Spec Corrected file names in Section 5.1 Initial Release 1 Overview The purpose of this assignment is to allow you to gain familiarity with working with robots, developing
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