传输功率
- transmission power
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本文引入PID算法,通过调节每个节点传输功率,动态控制整个网络的传输能耗。
PID algorithm is introduced to the dynamic control of the entire networks ' energy cost by shifting the transmission power of every node .
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虽然k连通算法能构造具有容错性的拓扑,但设计困难、容错性有限、传输功率过高以及拓扑过于稠密等是其无法避免的不足。
Despite the advantage of k-connectivity algorithms , they avoidably result in the shortages , such as the limited fault-tolerance , high transmission power dense topology and so on .
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如此低的传输功率导致了UWB信号的覆盖范围很小。
The low output power leads to smaller coverage area .
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高密度WLAN环境下传输功率控制算法的研究
Research on TPC Algorithm in a Dense WLAN Environment
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电流型CPT系统传输功率调节方法
Power transfer regulation mode for current fed CPT system
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在三相电压不对称的情况下,电压源换流器(voltagesourceconverter,VSC)的传输功率会发生波动,从而影响高压直流系统的稳定运行。
The transmitted power of Voltage Source Converter ( VSC ) will fluctuate under unsymmetry of three phase voltage , which affects the operation of VSC-HVDC system .
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此外,推导出波导TM、TE模的传输功率、损耗功率、衰减常数、等效阻抗等特征参数的边界元公式。
Furthermore , the formulae of transmitted power , loss power , attenuation constant and equivalent impedance for TM and TE modes are deduced .
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研究目标为在保证主要用户与认知用户的QOS条件下,最小化认知用户的传输功率。
The research objective is to minimize the transmission power of cognitive user , guaranteeing the Quality of Service ( QoS ) of the primary user and cognitive user .
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在传输功率的计算上,引入了相对于LEACH的无线电通信模型,更具实用意义的信号干扰比模型。
Compared with the radio communication model in LEACH , a more practical SINR based model is in use for computing transmission power .
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详细信息:高传输功率,工作频率宽,性能问题。适用于电话机、真机、CD、VD音响设备中。
Audio transformer : Large transmission power , wide frequency range , stable performance . Used for telephone , fax machine , VCD , DVD , and audio etc.
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为了使adhoc网络的生存时间最大化,网络流量应该通过那些既可以最小化总传输功率,又能避免使用低能量节点的路由来传送。
In order to maximize the lifetime of Ad Hoc networks , traffic should be sent via a route that can be avoid nodes with low energy while minimizing the total transmission power .
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同时还可利用UPFC的串联补偿来提高和调控两相运行时的传输功率。
Moreover , cascade compensation of UPFC can be used to improve and adjust transmission power for two phases running , too .
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无线adhoc网络的拓扑可以通过每个节点的传输功率来表示,若功率太低或太高,分别会造成无法实现节点全连接和产生过多干扰的问题。
The topology of wireless Ad Hoc network can be denoted by the transmitting power of each node , the unconnectivity and interference will occur when the power is too high or too low .
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当实际交流系统三相交流电压不对称时,VSC传输功率会发生波动,从而影响VSC-HVDC系统的运行。
When three phases voltage are asymmetrical , the transmitted power of VSC fluctuates and the operation of VSC-HVDC is influenced .
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采用逆系统方法设计了VSC传输功率独立控制系统以及基于有功功率、无功功率独立调节的VSC-HVDC控制系统;
The VSC translating power control system and VSC-HVDC control system based on active and reactive power adjusted respectively are designed with inverse system nonlinear control .
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利用新型的UPFC的串联逆变器,通过串、并联补偿提高两相运行时的传输功率,实现甘肃电网的稳定运行和功率传输。
Using series inverter of the new UPFC , the real power transmission capacity of the line during two phase operation can increase , realize stability operated and power transmission .
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研究显示,在同等传输功率和误码率性能要求下,多输入多输出(MIMO)系统相对于单输入单输出(SISO)系统能支持更高的传输速率。
Research shows that at the same transmit power and bit error rate performance requirements , the MIMO system relative to the Single-input , Single-output ( SISO ) system can support higher transfer rates .
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提出了一种新的传输功率控制算法(TPC),该算法能够根据信道的自身干扰情况,自适应的优化算法参数,动态控制AP发射功率,在现有的信道资源下提升系统容量。
In this paper , a new Transmit Power Control algorithm is introduced in detail . TPC algorithm can optimize the parameters and adjust transmit power dynamically , according to the degree of self-interference .
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在移动通信系统中,传输功率控制是抑制共道干扰、克服远近效应、降低功率消耗、增加系统容量的重要手段,现已成为第三代(3G)移动通信系统的关键技术之一。
Transmitter power control has been proven to be an important means in suppressing co-channel interference , combating near-far problem , lowering power consumption and increasing systems capacity . It has been one of the key technologies in 3G mobile communication systems .
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针对两区域四机电力系统的仿真结果表明所设计的控制策略能达到直接控制TCSC传输功率,间接控制远端发电机功角的目的。
The simulation results aiming at a two-area four-machine power system demonstrate that the both goals of directly controlling active power through TCSC and indirectly controlling remote generator 's power angle can be simultaneously reached .
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作者根据瞬时功率理论推导出了消除VSC传输功率波动需要满足的正、负序输出电压间的关系式。
According to the theory of instantaneous power , the relational expression of the relation between positive sequence voltage and negative sequence voltage , which should be satisfied in order to eliminate the transmitted power of VSC , is deduced .
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本文运用优化潮流并根据ATC的概念计算出区域间互供电交易下的最大传输功率,并进一步计算出在固定的双边合同下,区域间如何优化来实现该合同。
In this paper , based on the concept of ATC , OPF software is used to calculate the maximum transfer power in the inter-area power transaction , and the problem how inter-area can complete the contract optimally under the firm bilateral contract .
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在分析UPFC直流侧电容电压传统控制方式的基础上,提出了直流侧电容电压弱控制策略的概念,并分析了直流侧电容容量、直流侧电压等级和线路传输功率之间的关系。
Based on analyzing the control strategy on dc-link capacitor voltage of unified power flow controller ( UPFC ), it proposed the soft control strategy on dc-link capacitor voltage and analyzed the relationship between capacitance , dc voltage and power transmitted on the line .
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测试结果表明:改进后的无线传输功率增加了20~30dB,数据帧传输的正确率大幅度提高,说明改进方法是有效的。
The test results show that wireless transmission power is increased by 20 ~ 30dB , and the receiving probabilities of successful data frame transmission are improved greatly .
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首先根据视频业务及无线网络信道时变的特性,提取了跨层业务及无线系统相关参数,建立了功率视频失真模型以及视频失真PSNRMOS映射关系模型,将视频传输功率引入到MOS映射关系中。
First , we abstract related parameters of cross-layer services and wireless system according to the varying characteristics of video services and wireless networks , then ' power-distortion ' model and ' distortion-PSNR-MOS ' mapping model are established to introduce video transmission power into the MOS mapping relationship .
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提出自适应索引可分负载调度算法(AIDLT)以帮助WSN系统设计:能量过快消耗是影响无线传感器网络工作时长的一个主要障碍,对此可通过最大限度地减少传输功率的方法解决。
Formulated an Adaptive-Indexed Divisible Load Theory ( AIDLT ) based workload assignment scheme : Energy depletion in wireless sensors is a major obstacle for a WSN to operate . This problem can be extenuated by minimizing the need for high power transmission from sensors .
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手机打开时才传输功率。
The handset only transmits power when it is turned on .
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考虑联络线传输功率的双层分区多目标输电网规划
Bi-level Multi-objective Transmission Planning With Consideration of Tie-line Power Transfer Capability
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提出了考虑机组出力变化速率、线路潮流约束和断面传输功率约束的经济调度新算法。
A novel economic dispatching algorithm considering unit ramp rate .
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光纤和法兰耦合损耗对激光传输功率的影响
Effects of coupling loss with Fiber and Flange on laser transfer power