一、通信方向：高频技术考点+高分答题框架（5个核心考点，必考）

1. 考点1：OFDM技术的原理及其在5G中的应用优势 答题框架（英文精简版）：OFDM (Orthogonal Frequency Division Multiplexing) is a multi-carrier modulation technology that divides the channel into multiple orthogonal sub-channels, which can effectively resist inter-symbol interference. In 5G, OFDM is widely used because of its high spectrum efficiency, strong anti-multipath fading ability, and easy integration with MIMO technology, which can meet the high-speed and low-latency requirements of 5G communication.加分点：结合港大EEE通信方向课程中“5G关键技术”相关内容，提及OFDM技术在港大科研中的应用，提升答题深度。
2. 考点2：MIMO系统的工作机制，如何提升通信系统容量？ 答题框架（英文精简版）：MIMO (Multiple-Input Multiple-Output) uses multiple transmit antennas and multiple receive antennas to transmit and receive signals simultaneously. Its working mechanism is to use spatial diversity and spatial multiplexing to improve the system capacity. Specifically, spatial diversity can reduce signal fading, while spatial multiplexing can transmit multiple data streams at the same time, thereby significantly improving the data transmission rate and system capacity.
3. 考点3：如何解决无线通信中的多径衰落问题？ 答题框架（英文精简版）：Multipath fading is a key problem in wireless communication, which is caused by the reflection, refraction and scattering of signals. The main solutions include three aspects: first, using diversity technology (such as space diversity, frequency diversity); second, optimizing the modulation and coding scheme (such as using Turbo code and LDPC code); third, using adaptive equalization technology to compensate for the distortion caused by multipath fading.
4. 考点4：6G通信的关键技术有哪些？与5G相比有何突破？ 答题框架（英文精简版）：The key technologies of 6G include terahertz communication, satellite Internet, edge computing, AI integration, etc. Compared with 5G, 6G has three major breakthroughs: first, the transmission rate is 10-100 times higher than 5G; second, the latency is reduced to less than 1ms; third, it can realize full-scene coverage, including air, space, ground and sea, which can better support the development of IoT and smart cities.
5. 考点5：信号调制技术的演进（从ASK到QAM） 答题框架（英文精简版）：The evolution of signal modulation technology has gone through three stages: ASK (Amplitude Shift Keying), FSK (Frequency Shift Keying), PSK (Phase Shift Keying) and QAM (Quadrature Amplitude Modulation). ASK is simple but has low spectrum efficiency; FSK has strong anti-interference ability but low efficiency; PSK improves spectrum efficiency by changing the phase; QAM combines amplitude and phase modulation, which has higher spectrum efficiency and is widely used in modern communication systems (such as 5G, WiFi).

二、电力方向：高频技术考点+高分答题框架（5个核心考点，必考）

1. 考点1：智能电网的核心特征是什么？与传统电网相比有何优势？ 答题框架（英文精简版）：The core characteristics of smart grid include informatization, intelligence, digitization and interactivity. Compared with the traditional power grid, smart grid has three major advantages: first, it can realize real-time monitoring and dispatching of power system, improving the stability and reliability of power supply; second, it can better integrate renewable energy (such as wind power and photovoltaic power), promoting the development of low-carbon energy; third, it can improve the efficiency of power transmission and distribution, reducing power loss.加分点：提及港大EEE与香港中华电力合作的智能电网实习项目，体现对专业实践的了解。
2. 考点2：可再生能源并网对电力系统有哪些挑战？如何应对？ 答题框架（英文精简版）：The grid connection of renewable energy (such as wind power and photovoltaic power) brings three major challenges to the power system: first, the instability of power output, which affects the frequency and voltage stability of the power system; second, the difficulty of grid dispatching, which increases the complexity of power system operation; third, the high cost of grid connection. The corresponding solutions include: optimizing the energy storage system, improving the flexibility of power grid dispatching, and developing smart grid technology to realize the efficient integration of renewable energy.
3. 考点3：解释SCADA系统在电力系统中的应用 答题框架（英文精简版）：SCADA (Supervisory Control and Data Acquisition) system is a key part of the power system, which is mainly used for real-time monitoring, control and data acquisition of the power grid. Its specific applications include: monitoring the operation status of power plants, substations and transmission lines; realizing remote control of power equipment; collecting and analyzing power system operation data, providing a basis for grid dispatching and decision-making; and improving the safety and reliability of the power system.
4. 考点4：电力系统的频率稳定与电压稳定的区别 答题框架（英文精简版）：Frequency stability and voltage stability are two key indicators of power system stability, with obvious differences. Frequency stability refers to the ability of the power system to maintain the frequency within the rated range (50Hz in China) when the active power is unbalanced, which is mainly affected by the balance between power generation and load. Voltage stability refers to the ability of the power system to maintain the voltage within the rated range when the reactive power is unbalanced, which is mainly affected by the reactive power supply and the characteristics of the load.
5. 考点5：电动汽车充电对电网的影响及解决方案 答题框架（英文精简版）：The charging of electric vehicles has two major impacts on the power grid: first, the concentrated charging will increase the load of the power grid, leading to voltage drop and frequency fluctuation; second, the randomness of charging time will increase the difficulty of grid dispatching. The solutions include: promoting orderly charging (guiding users to charge during off-peak hours), developing vehicle-grid interaction (V2G) technology, and optimizing the distribution network to improve the capacity of the power grid to bear electric vehicle charging.

三、技术面提分关键（优朗18年教研经验总结）

• 答题逻辑：遵循“原理→应用→优势/挑战→解决方案”的逻辑，避免杂乱无章，让面试官快速捕捉核心观点。
• 专业适配：答题时结合港大EEE课程重点、校企合作项目，体现对专业的了解，提升答题深度和针对性，区别于其他申请者。