The results show that the SDPPM achieves better compromise between power requirement and bandwidth requirement,and the SDPPM has better performance in anti-multipath dispersion in ultraviolet communication because of its symbol structure.
在详细阐述其调制结构的基础上,分析了不同比特分组长度下SDPPM的带宽需求,推导了SDPPM的误码率表达式,讨论了SDPPM的功率需求,并与无线光通信中常用的等时隙数的调制方式开关键控(OOK,on-offkeying)、脉冲位置调制(PPM,pulse position modulation)和多脉冲位置调制(MPPM,multi-PPM)进行了对比。
This study put forward a model of systematic needed power matching and a concept of optimum matching relation about air cushion vehicle of walking wheel type.
在对模型车试验的基础上,提出了步行轮式气垫车系统需求功率匹配模型和最佳匹配关系的概念。
The power savings we attained by morphing the retina were encouraging, a result that started me thinking about how the brain actually achieves high efficiency.
神经形态视网膜的低功率需求令人鼓舞,这个结果让我开始思考脑如何达成这般高的效率。
Energy Conversion-Demanding Challenges for Power Semiconductor Industry
能量转换——功率半导体产业的需求挑战
Cruise Missile Number Decision Based on Mission Success Probability
基于任务成功概率的巡航导弹需求量确定
MAC protocol with joint spatial and time reservation and power control
联合空时需求预留和功率控制的MAC协议
High power LED lighting matrix. Driving module is available. Customer design is possible.
高功率LED平面光源模组,可选购驱动模组。可依不同需求予以客制化。
We frequently need a formula which will give the number of watts of power when we know the current and the resistance.
我们常常需要一个已知电流和电阻时求功率瓦特数的分式。
Probability and Risk Models of Demand for the Price of Commodity;
商品价格的需求概率和需求风险模型
accommodation generation rate
住户房屋需求衍生率
Exploration on Relation between Price Elasticity of Demand and Slope of Demand Curve;
需求价格弹性与需求曲线斜率的关系释疑
Generator design considerations determine the field current, field voltage, and consequently, the power required for excitation.
发电机的设计要求决定了励磁电流、励磁电压,从而也决定了励磁所需的功率。
Total power(KW) needed ÷ singlle element power=the quantity of elements that should be installed.
所需总功率(KW)÷单支元件功率=应安装元件数量。
It elicits business requirement, user requirement, functional requirement hierarchically, and there is a requirement trace chain in the tool.
能够层次性的获取业务需求、用户需求和功能需求,并形成需求跟踪链。
It was 91.3% in peoples with chronic disease.
在慢性病居民中对康复的需求率为91.3%。
Governments cut interest rates to spur demand.
政府削减利率来刺激需求。
DSM BASED FREQUENCY QUALITY CONTROL OF POWER SYSTEMS
基于需求侧管理的频率质量控制探讨
Chinas Economic Increase Rate Depends on the Dynamics of Consumption Demand;
我国经济增长率取决于消费需求力度
This chimney fulfills the function of taking away gas fumes.
这个烟囱合乎了排除煤烟功能的需求。
The server does not support the functionality required to fulfill the request.
服务器不支持满足请求所需的功能。
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