干扰的
- 与 干扰的 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
A simpler scheme of interference canceler is proposed based on beam space analyzing. It is shown by the numerical results that such scheme can overcome the shortcoming of smart antennas. The time to demodulate desired user is reduced. It also reduce the complexity to realize such an AA/IC system with hardware. In the chapter 5, a multi-beam antenna system with three and six fixed beams are analyzed.
第四章综合考虑了智能天线的空间滤波和级联干扰删除器的作用,提出利用智能天线的空间滤波特性进一步简化干扰删除器的设计方案,数值分析结果表明该方案不但可以克服天线空间滤波的不足,同时缩短了用户信息解调的时间,降低了硬件实现的复杂度。
-
The 21st century is a century of life science,the mathematical biology advanced rapidly, and the study in determinate system is perfect. In face,the species ecology systems are often subject to ,some uncertain factors,white noise,whether the presence of such noise affects these results that we have obtained has received exten sive attention ,which makes the study about stochastic system more and more important.
21世纪是生命科学的世纪,生物数学的发展突飞猛进,百花争妍,其中对确定性系统的研究已经较为完善,而实际上的种群系统常受到一些不确定性因素的干扰,即白噪声的干扰,研究白噪声的存在是否影响种群生态系统以及是否使原有的结果发生变化已受到广泛的关注,这就使对随机系统的研究显得尤为重要。
-
The interference of ambient temperature and external electromagnetism with Rogowskicoil were investigated by mathematical models. The relations between relative measurementerror resulting from temperature and heat distensibility coefficient of coil's framework andwindingcoilwerecarriedout. Theinfluenceofelectromagnetisminterferenceontheaccuracyof Rogowski coil, as well as the effect of temperature on integraph, were studied.
利用建立的Rogowski线圈的数学模型对温度和外界干扰磁场的影响进行了分析,得出了温度造成的相对误差与线圈骨架和绕组线圈热膨胀系数之间的关系;从两个方向上分析了干扰磁场对线圈精度的影响;分析了温度对积分器的影响等。
-
They have close relationship as the former may provide new ideas and approaches for the later, while the later may be the simulation for the former and gives it helps in degradation products identification and mechanism explanation. It is necessary to choose a suitable system, which has high potential of treating EDs and close relationship to the natural environment, to combine the researches in the two aspects. Our group has been engaged in researches on the photochemical properties and application to water pollution control of different ferric species including Fe -OH complexes, Fe -polycarboxylate complexes, Ferric oxides and Fe -humic acid complexes. Fe -oxalate complexes system has higher efficiency than the other ferric species systems in photooxidation and degradation of organic compounds. This thesis is focused on the photodegradation of nine EDs estradiol (E2), estrone (E1), 17α-ethynyl estradiol (EE2), diethylstilbestrol , bisphenol-A , 4-Nonylphenol , 4-Octylphenol , di-n-butyl phthalate , and di (2-ethylhexyl) phthalate .
因此从处理效率和环境化学意义两方面考虑,结合本课题组在不同铁形态(包括Fe-OH配合物、Fe-多羧酸配合物、Fe氧化物、Fe-腐殖酸配合物等)的光化学特性及其在水污染控制中的应用方面较系统的研究工作基础,本论文选择了四类共9种典型的内分泌干扰物(雌二醇(E2)、雌酮(E1)、17α-乙炔基雌二醇(EE2)己雌酚、双酚A、壬基酚、辛基酚、酞酸二丁酯和酞酸二乙基己基酯),研究了它们在Fe-草酸盐配合物体系中的光降解效果,推测其降解机理,探索环境内分泌干扰物光氧化处理的新体系,同时为预测其在环境中的光降解行为提供了依据。
-
Rapid transient electromagnetic pulse generated by impulse voltage discharge may cause serious interference to high voltage measurement, cause disoperation or damage to experimental equipment, and also may cause potential harm to person on-site. Similar question exist in many high voltage laboratories, and it is an important research subject of high voltage measurement. Electromagnetic interference generated by impulse voltage discharge is the most serious interference in high voltage test hall.
冲击电压放电产生的快速暂态电磁脉冲可能对高压测量造成很大的干扰,引起设备的误动或损坏,也可能对人身造成潜在的危害,类似的问题在许多高电压实验室均存在,是高电压测试技术中的一个重要研究课题,冲击电压放电产生的电磁干扰是高电压试验大厅设备中最严重的,随着电子测量控制设备和高参数试验设备的日益增多,这个问题在高电压实验室已经十分突出。
-
By virtue of the assumption, in the framework of the classical scattering theory of the interaction between incident particles and a surface, a self-consistent local model for the interaction of atomic oxygen with surface materials on the spacecraft was developed based on the kinetic theory of molecular reaction.
该模型根据入射粒子轰击材料表面的响应强度,将相互作用区域分解为强干扰、边缘及弱干扰等三个区域,分别建立了相应区域的动力学模型方程。为了量化边缘区域粒子的耗散效应,本论文引入估算材料的Debye温度的Lindemann定律,并结合热容理论的Debye模型给出边缘区域分子间阻尼运动的摩擦系数。
-
For the problem that the suppression of co-channel interference and suppression of noise can't be balanced in signal-to-jamming and noise ratio maximization method for the linear precoding of multiuser multiple-input multiple-output downlink systems, an improved scheme that the term of noise variance is modified as a piecewise linear function is proposed, in which the balance between suppression of co-channel interference and suppression of noise can still be maintained even when the noise variance is a small value through piecewise modifying the term of noise variance, and thus the bit error rate and capacity of the systems are further improved.
针对多用户多输入多输出系统下行链路线性预编码的信干噪比最大化方法中,共信道干扰抑制和噪声抑制不能有效平衡的问题,提出将其中的噪声方差项修正为以噪声方差为变量的分段线性函数的改进方案。该方案通过对噪声方差项的分段修正,在噪声方差的值较小时依然能够保持共信道干扰抑制和噪声抑制间的平衡,从而使系统的误比特率性能和容量得到进一步提高。
-
This paper studies the application of smart antennas to the downlink in the FDD-CDMA. We estimate thedownlink channel covariance matrix and the relative interference to users of the other cells by using the uplink data., and present a method for downlink beamforming , i. e., we obtain the minimum relative interference to other users while the constanttransmitting power is guaranteed.
本文研究了智能天线在FDD-CDMA中的下行链路的应用,利用上行链路接收数据,估计了下行链路的信道相关矩阵和对其它小区用户的相对干扰总量,给出下行链路的波束形成方法,即在保证一定的有效发送功率的同时,使得对其他小区的用户干扰最小。
-
The socket structure is provided with a zero phase trigger control unit, through the photoelectric sensing element of the unit, optical coupling can be performed to generate zero phase trigger, and the opening or the closing of a two-way thyratron in the zero phase can be accurately controlled, therefore, an electric device inserted on an output socket can be started or stopped from the zero phase, in order to reduce the electromagnetic interference and prolong the service life of the electric device, the use efficiency of the electric device can be enhanced, the power supply thereof can be saved, filtering and rectifying can be performed through a current switching unit when the alternating current power supply passes through a filtering and rectifying circuit, the noise caused by external interference and affect can be filtered, and the power supply can be respectively transmitted to a current detecting socket and the input end of the current switching unit to be detected through a temperature sensor arranged on the current switching unit.
本实用新型为有关一种插座结构,尤指为设有零相位触发控制单元,可通过其光电感测元件来进行光耦合而产生零相位的触发,且可准确控制双向闸流阀在零相位的开启或者关闭,进而达到插置于输出插座上的电器装置从零相位开始启动或者关闭,以降低电磁干扰而延长电器装置使用寿命,且可提升电器装置的使用效率及节省电源,并通过电流转换单元于交流电源通过滤波整流电路进行滤波整流,可滤除外部所干扰影响的杂讯,并分别传送至电流侦测插座及电流转换单元的输入端,而可通过电流转换单元所设置的温度感应器来进行侦测,于电路温度升高时,温度感应器可进行切断双向闸流阀的电源输出而达到保护输出插座上所插设的电器设备。
-
Focusing on all these functional traits, 13 functional groups were identified by TWINSPAN (two-way indicator species analysis), and their change with different environmental factors, disturbance types and recovery time was ordinated by DCCA(detrended canonical correspondence analysis).
本文以海南岛霸王岭林区作为海南岛热带林的典型区域,以反映不同环境因子、干扰类型和恢复时间的热带山地雨林为研究对象,在大面积(15hm~2)样地调查的基础上,依据物种的7个功能特性(喜光性、潜在高度、板根大小、木材密度、种子生物量、传播方式和落叶/常绿性),分别把物种划分为不同类别的功能群,应用NMS分析了各功能群随不同干扰类型和恢复时间热带山地雨林群落的变化规律。
- 推荐网络例句
-
And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.
同时,论述了一体化管理体系构建中的几个主要问题,包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。
-
Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.
运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。
-
If you're huffing and puffing at any point during the run, slow down and make sure you can take deep breathes.
如果你任何时候在跑步过程中气喘如牛,降低速度并且确保你能够深呼吸。