Theroy and simulation study have shown that this detection system is very sensitive to weak sine signal under strong noise and can effectively restrain any strong noise which has zero mean.
理论分析及仿真实验表明该检测系统对被强噪声覆盖的微弱正弦信号非常敏感，对任何零均值噪声具有极强的抑制能力。
Signal detection system based on chaos theory has the critical sensitivity to periodic signal and the immunity to the strong noise, which can be used in weak signal detection area.
基于混沌理论构建的信号检测系统具有敏感微弱周期信号和对噪声有强免疫力的特点，用于微弱信号检测领域优势明显。
The system can realize the space signal processing and real time signal processing. It has been successfully applied in underwater weak signal detection.
该系统能够实时实现信号的空间处理和时间处理等，并在水下弱信号检测中得到应用，取得了良好的结果。
According to the detection demand of the weak photoionization signal, a new kind of data acquisition and processing system of photoionization signal is developed.
根据微弱光离子化信号的检测需要，开发出一种光离子化信号数据采集与处理系统。
Simulation experiments show that the chaos detection system is very sensitive to weak signal and have strong constraint to any colored noise with zero mean value.
仿真实验表明该混沌检测系统对小信号非常敏感，对任何零均值色噪声均具有极强的抑制能力。
In the evaluation of welded joint using digital ultrasonic system, it is found that it is noise that constitutes the main difficulty in the detection of weak ultrasonic signal.
在用数字超声系统进行焊接接头评价时发现，噪声是微弱超声信号检测的主要障碍。
In the data processing system, methods for Weak signal detection are adopted to improve the accuracy.
测试数据处理采用了一些微弱信号检测技术来提高信噪比，从而提高了该系统的检测精度。
Also, the method of correlation detection is adopted to measure the weak signal in this measurement system.
以该方法为基础，具体分析了相关检测技术对于大口径微弱信号检测方法的适用性。
The abilities of long distance communication and weak signal detection are deteriorated by various white noises existing in the electronic instruments and system.
工程中常遇到各类噪声信号，噪声存在于电子设备和系统中，它经常妨害长距离通信和检测弱信号的能力。
The water-cooling system is very important for the safe operation of generator. The water leakage detection of the system is typically a problem of weak signal extraction under strong disturbances.
发电机内冷水系统是发电机组安全运行的一个重要组成部分，其渗漏监测是在强干扰下弱信号的识别问题。
This paper using the principle of photoelectric detection to designed a weak photoelectric signal acquisition and process system based on virtual instrument technique.
本文应用光电检测技术原理，设计了一种基于虚拟仪器技术平台的微弱光电信号采集与处理系统。
This paper inquires into detection method of micro weak signal in neural network, analyses principle of noise suppression, and gives out diagram and measurement results of neural network system.
探讨了神经网络的弱信号检测方法，定性分析了其噪声抑制的原理，给出了神经网络系统框图及实测结果。
This paper inquires into detection method of micro weak signal in neural network, analyses principle of noise suppression, and gives out diagram and measurement results of neural network system.
探讨了神经网络的弱信号检测方法，定性分析了其噪声抑制的原理，给出了神经网络系统框图及实测结果。
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