When the object environment of ship radar signal is complex, detecting object is very difficult.
由于舰船雷达信号目标环境的复杂性，从强杂波中检测目标异常困难。
Theory of detecting signal in low SNR by digitalized processing is analyzed. The digitalized processing methods and test results of several typical radar signal parameters are demonstrated.
分析了数字化处理技术能够实现低信噪比信号检测的原理，给出了几种典型雷达信号参数的数字化处理方法及试验结果。
A new method based on Time Frequency Analysis (TFA) for detecting weak signal under strong noise background from radar target with the cavity embedded is described in this paper.
该文论述了在强噪声背景下利用时频分析检测带腔体雷达目标弱信号的方法。
Radar signal processing is a key technology for navigation radar detecting target, which improves the radar detection capability and has a crucial role for safe and efficient shipping.
雷达信号处理技术是航海雷达探测海上目标的关键技术，它对安全和高效率的海上运输起到至关重要的作用。
The radar alarm equipment is used for real-time detecting electromagnetic radiation of enemy radar. It confirms what is the dangerous target by analyzing signal and takes the alarm to pilot.
雷达告警机用于实时探测敌方雷达辐射信号，通过处理和分析，判断敌方目标威胁程度，向飞行员发出告警。
In order to improve the power of detecting radar weak signal, the key is to restrain noise of radar weak signal.
为了提高雷达检测弱信号的能力，对它的去噪就显得非常重要。
Fog sets in, call master at once. Began to keep on radar for detecting to the sea all round at an interval of every 20 minutes. Sounding by echo 52 fathoms. Standby Engine. Fog signal started.
雾起，立即召唤船长，开始保持每20分钟用雷达环扫一次海面，回声测深52拓，备车，开启雾号。
Fog sets in, call master at once. Began to keep on radar for detecting to the sea all round at an interval of every 20 minutes. Sounding by echo 52 fathoms. Standby Engine. Fog signal started.
雾起，立即召唤船长，开始保持每20分钟用雷达环扫一次海面，回声测深52拓，备车，开启雾号。
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