The size of the channel depends on the flow and water level at the sand gushing opening, and in particular, maximum channel size is possible at low water level.
通道的规模取决于涌砂口的流量大小和水位高低,尤其在较低水位时通道规模将最大。
Experimental results show that low frequency pulse compression and channel match method can be used in shallow water sound channel to improve the SNR.
实验表明,脉冲压缩可有效增加浅海低频声脉冲的传输距离,信道匹配可用于消除多途对脉冲信号检测信噪比的影响。
Based on the suitable channel model, an implementation of quasi-cyclic low density parity check codes (QC-LDPC) for acoustic communication system in shallow water is demonstrated.
讨论了准循环低密度校验码(QC - LDPC)在浅海水声信道中的实现方案。
Based on the theory of the local spectrum of ambient-sea noise field, theoretical models of the low-noise-channel for typical shallow-water negative gradient (or thermocline) are developed.
本文根据海洋噪声场随机局部谱展开理论,分析了典型浅海负梯度(或负跃层)下低噪声信道的理论模型。
The partial low pile cap deep water foundations of Qinhong bridge are located in the flood discharge channel and near by existing civil bridge foundations in Nanjing.
南京市秦虹大桥的部分低桩承台深水基础位于泄洪河道中,并处于既有市政桥梁基础附近。
Water saving techniques include spray irrigation, micro irrigation, channel leakage prevention, low pressure pipe transport of water, reform of field irrigation, and so on.
节水技术包括:喷灌、微灌、渠道防渗、低压管道输水、田间灌水技术改进等。
Water saving techniques include spray irrigation, micro irrigation, channel leakage prevention, low pressure pipe transport of water, reform of field irrigation, and so on.
节水技术包括:喷灌、微灌、渠道防渗、低压管道输水、田间灌水技术改进等。
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