1) Longley-Rice model
Longley-Rice模型
1.
For the simulation of ship formation communication channel,a improved Longley-Rice model is presented to predicte the loss of radio wave propagation along the sea surface.
研究了海面电波传播损耗预测模型,指出对该类传播损耗预测的仿真模型宜采用Longley-Rice模型,并对模型作了适应性修正和补充以适应海上编队通信链路的仿真。
2.
Starting with Free-Space propagation model, analyze typical radio propagation models such as Egli model, Okumura-Hata model, Longley-Rice model and Cost231-Hata model, find out their respective applied physical properties.
立足于自由空间传播模型,研究Egli模型、Okumura系列模型、Longley-Rice模型,分析它们各自应用的物理特性,结合无线自组织网应用的地域特点,比较上述各模型在郊区和山区的传播损耗,选择适合无线自组织网的无线传播模型。
3.
This paper analyzes backgrounds and applicable conditions for three models,and combines Matlab simulation with test data,chooses Longley-Rice model as the transmission-loss model for marine VHF/UHF communication.
文中通过对三种传播预测模型的产生背景及适用条件的对比分析,结合Matlab仿真结果与实测数据的比较,选择Longley-Rice模型为海上超短波通信传输损耗模型,根据传输损耗模型计算接收点场强,并计算出接收点所需最小接收场强,依据时间概率模型判定舰船超短波通信侦察系统的有效侦察距离,根据有效侦察距离对舰船超短波通信侦察系统侦察效能进行评估。
2) CERES-Rice model
CERES-Rice模型
1.
The performance of regional simulation of CERES-Rice model and its uncertainties
站点CERES-Rice模型区域应用效果和误差来源
3) generalized Rice process
通用Rice模型
4) Rice coding
Rice编码
1.
According to the practical application of cab signaling device on railway site,a loss-free compression method for the waveform data recorded by cab signaling recorder based on integer lifting wavelet transform and Rice coding is proposed in this paper.
针对铁路现场机车信号实际运用情况,提出了一种基于整数提升小波变换和Rice编码的机车信号记录波形数据的无损压缩方法。
5) rice channel
Rice信道
1.
Considering the von Mises distribution as the received multipath power density distribution versus the AOA of scatter components, a formula for multipath angular spread corresponding to this distribution is presented in multi-antenna Rice channels, and an approximate expression for spatial correlation coefficient between compact antenna elements is proposed in small-scale Rice fading channels.
将von Mises分布作为多径散射接收信号的功率密度分布,在存在稳定直射分量的条件下,推导出相应的多天线Rice信道中的多径角度扩展公式,进而推导出了小尺度Rice衰落信道中紧凑阵元空间相关系数的近似表达式。
2.
In this paper, for regular LDPC codes on Rice channel, DDE for BP,BP-based and offset BP-based decoding algorithm were compared on different quantization level and step.
该文首先以Rice信道下正则LDPC码为例,讨论了不同量化阶数及步长时BP,BP-based和offsetBP-based3种译码算法的DDE(DiscreteDensityEvolution)分析,接着在offsetBP-based译码算法的DDE分析基础上,采用差分进化方法对Rice信道下非正则LDPC码的次数分布对进行了优化,得出了相应的噪声门限。
6) RICE coder
RICE编码器
1.
Presents first image coding methods and then a new guality image compression method based on edge direction, by which an image is first partitioned into blocks and a direction predictor is then adaptively selected for each block with minimum prediction error and an efficient adaptive rice coder is then applied with residual image quantized.
该方法首先将图象划分为若干块 ,自适应地为每一块选择一个预测误差最小的方向预测器 ;然后 ,对得到的误差图象进行量化 ,使用快速而有效的Rice编码器对量化后的误差图象编码 ;最后分析了该方法的时间复杂性并给出了实验结果 。
补充资料：rice-koji
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性质：用米培养纯粹曲霉菌而制成的一种固体曲。用于白酒酿造等的糖化阶段。
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性质：用米培养纯粹曲霉菌而制成的一种固体曲。用于白酒酿造等的糖化阶段。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条