The rapid evolution of the new energy vehicle (NEV) industry and the advancement of intelligent vehicle technologies have introduced increasingly demanding requirements for testing capabilities.

Focusing on two critical testing domains — RF testing and acoustic testing — Liankang has developed a professional and systematic testing platform to improve automotive product reliability, accelerate technology innovation, and support the intelligent transformation of automotive electronics.

Advanced Intelligent Vehicles Driving Increased Electronic System Complexity

With the continuous evolution of new energy vehicles toward high-voltage electrification, intelligent driving, and connected mobility, the complexity of vehicle electronic architectures is increasing exponentially.

The widespread adoption of 800 V high-voltage platforms, centralized vehicle domain controllers, advanced intelligent driving systems, and vehicle-grade wireless connectivity technologies has significantly increased testing challenges.

Key challenges include:

• The number of vehicle ECUs and domain controllers continues to grow, while embedded software complexity increases dramatically;
• Multiple wireless systems, including mmWave radar, 5G/V2X communication, Bluetooth, and high-precision positioning systems, operate simultaneously, increasing the risk of electromagnetic interference, signal coupling, and communication instability;
• Electric power systems, intelligent driving platforms, and smart cockpits are becoming deeply interconnected, introducing more complex operating conditions involving temperature variations, mechanical vibration, and electromagnetic interference.

The integration of multiple electronic systems creates challenges in signal compatibility, hardware-software coordination, and long-term reliability. Traditional single-point testing and end-of-line inspection methods can no longer meet full lifecycle verification requirements.

Professional and systematic testing capabilities have become essential foundations for ensuring vehicle safety, reliability, and successful product commercialization.

Increasing Vehicle Electronic Complexity Requires Advanced Testing Systems

Automotive testing has evolved beyond traditional end-of-line inspection and now extends throughout the entire vehicle lifecycle, including:

• Product definition;
• R&D design verification (DV);
• Reliability and durability validation (PV);
• Mass production end-of-line (EOL) testing;
• OTA software update validation.

Vehicle safety, driving experience, and long-term reliability increasingly depend on standardized and comprehensive testing systems.

Among these technologies, RF testing and acoustic testing directly address the core verification requirements of intelligent vehicle manufacturers and solve key challenges during automotive electronics development.

RF Testing: Ensuring EMC Reliability for Intelligent Connectivity and Perception Systems

Modern intelligent vehicles integrate numerous wireless systems, including:

• mmWave radar;
• 5G/4G vehicle communication systems;
• In-vehicle Bluetooth;
• V2X vehicle-to-everything communication;
• High-precision GNSS positioning systems.

The high-density coexistence of multiple wireless devices may result in electromagnetic interference, communication delays, positioning deviations, and packet loss.

Comprehensive RF testing enables quantitative verification of critical parameters, including:

• RF output power;
• Receiver sensitivity;
• Radiated emissions (RE);
• Radiated immunity (RS);
• Channel switching stability.

These capabilities help mitigate electromagnetic compatibility risks among multiple vehicle systems and ensure stable operation of intelligent driving perception, vehicle connectivity, and V2X communication systems under complex electromagnetic environments.

Liankang Automotive RF Testing Solution

Liankang provides a fully self-developed RF testing ecosystem, including:

• Vector network analyzers;
• Wireless communication testers;
• RF matrix switches;
• Broadband testing antennas;
• RF passive components;
• High-frequency probe cables;
• Full-range RF shielding chambers and shielding boxes.

Customized RF testing fixtures can also be developed according to customer requirements, covering automotive applications such as:

• 5G vehicle communication testing;
• V2X verification;
• In-vehicle Bluetooth/Wi-Fi testing;
• mmWave radar R&D calibration;
• Mass production EOL testing.

Liankang provides comprehensive RF testing solutions for automotive electronics manufacturers and suppliers.

Acoustic Testing: Enabling Quantitative Validation of Intelligent Cockpit Audio Experience

The intelligent cockpit has become a key area of differentiation among new energy vehicles.

Functions including:

• In-vehicle audio systems;
• Active noise cancellation (ANC);
• Voice interaction;
• Hands-free communication;

directly influence the overall driving experience.

However, the combination of multiple sound sources, vehicle vibration noise, and microphone interference within a confined cabin environment may cause issues such as:

• Sound distortion;
• Noise reduction performance degradation;

• Reduced speech recognition accuracy.

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Liankang Automotive Acoustic Testing Solution

Liankang's acoustic testing system follows automotive acoustic standards and provides quantitative evaluation of:

• Frequency response;
• Signal-to-noise ratio (SNR);
• Harmonic distortion;
• Speaker performance;
• Microphone pickup performance.

The system also verifies:

• Active noise cancellation effectiveness;
• Voice interaction reliability;
• Anti-interference speech recognition performance.

Liankang Intelligent Vehicle Acoustic Testing System

The solution integrates:

• Self-developed audio analyzers;
• Artificial mouth and artificial ear simulators;
• Standard sound source equipment;
• Professional acoustic analysis software;
• Customized sound isolation equipment;
• Acoustic test fixtures.

It supports comprehensive testing of:

• Vehicle speakers;
• Cabin microphones;
• Bluetooth communication systems;
• Active noise cancellation systems.

The solution provides standardized testing support for intelligent cockpit R&D and mass production validation.

Testing Technology Becomes a Core Competitive Capability

Looking at the future development of the new energy vehicle industry, the higher the level of vehicle intelligence, the greater the complexity of electronic integration and the stricter the safety requirements.

Testing and validation systems are becoming increasingly strategic.

Competition in the NEV industry is no longer limited to battery capacity, motor performance, or vehicle appearance. Instead, competitive advantages increasingly depend on:

• Vehicle reliability;
• Multi-scenario adaptability;
• Consistent user experience;
• Full lifecycle safety.

These capabilities rely on comprehensive and independently controllable testing systems.

Testing is no longer merely a downstream quality inspection process. It has become a critical foundation for:

• Accelerating R&D iteration;
• Ensuring product quality;
• Supporting mass production;
• Building differentiated competitiveness.

The ability to independently develop advanced testing technologies directly influences the commercialization success and production scalability of high-end automotive electronic products.

Empowering Intelligent Automotive Development Through Advanced Testing Solutions

Global intelligent vehicle development represents a long-term trend in advanced automotive manufacturing.

RF and acoustic testing technologies serve as essential foundations for intelligent vehicle implementation.

As the new energy vehicle industry continues to evolve, the strategic value of professional testing solutions will continue to increase.

Liankang develops advanced RF and acoustic testing solutions to support the automotive electronics industry's transition toward higher quality, standardization, and intelligent manufacturing.

The company provides customized testing equipment and technical support services for vehicle manufacturers and automotive electronics suppliers worldwide.