To solve the leak detection and location problem in pipeline flux, we built neural network model based on the difference of leak wave and normal signal.

为了解决目前管道流量泄漏监测和定位问题，根据管道泄漏应力波和正常信号的区别，建立神经网络模型。

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Normal signal intensity (12 cases) and slightly high intensity (5 cases) were found on T2WI.

T2WI像12例腰椎信号无明显改变，5例信号轻度增高。

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According to Navsys, the company that developed JLOC, it involves a network of GPS receivers capable of detecting regions of higher than normal signal levels and low signal-to-noise ratios, either of which can indicate interference.

ECONOMIST: GPS jamming

While riding the bus, my cell phone signal suddenly went out, which is not normal, and continued to search for a signal for 15 minutes.

FORBES: Are Cell Phone Jammers The Next Big Thing?

Nemesysco's devices use a series of patented signal-processing algorithms that can differentiate between a "normal" voice and a"'stressed" voice.

CNN: Behavioral screening -- the future of airport security?