The pseudo random noise ranging code has been applied extensively to spread spectrum communications.

伪随机码在扩频通信中得到广泛应用。

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Software and hardware implementation of ranging was sum up including triangulation & parallax measuring, pulse current ranging and pseudo random noise ranging.

总结了测距功能的软硬件实现技术，包括传统的三角测量和视差测距技术、电脉冲测距技术、伪码扩频脉冲串测距技术。

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The system of passive ranging SONAR makes use of the target noise received by the equipment which converts energy from one form to another to estimate the target distance.

被动测距声纳系统是利用换能器基阵接收的目标辐射（噪声）信号来估计目标距离。

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His style has constantly evolved, ranging from sweet country ballads to grunge and noise.

NPR: Singer and Songwriter Neil Young

Moreover, the data could be useful in determining safe noise limits for other ocean-based equipment as well, ranging from offshore oil rigs to wind turbines to ocean freighters.

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