ID 原文 译文
14555 仿真结果表明,该算法的传输效率比基于移动边缘计算(Mobile Edge Computing,MEC)车联网协作传输算法提升40%,比基于分簇V2X车载广播传输算法提升25%。 The simulation results show that any vehicle can request the target data at random position and complete the transmissionabout it in IoV.The overall consumption time of the algorithm is greatly reduced compared with other algorithms,and the transmission efficiency can be increased by 40% compared with the cooperative transmission algorithm based on mobile edge computing ( MEC) in IoV,and 25% compared with the vehicle’sbroadcast transmission algorithm based on clustering about V2X.
14556 该算法的平均传输时间随着路侧单元(Road Side Unit,RSU)缓存概率从0.5增加至1可提高9%,随着车辆缓存概率从0.5增加至1可提高46%。 The average transmission time can be increased by 9% with the improvement of road side unit( RSU) cache probability from 0.5 to 1,and 46%with the improvement of vehicle cache probability from 0.5 to 1.
14557 针对低轨宽带卫星通信网、5G通信网应用中对K/Ka频段多波束有源相控阵天线的需求,对斐波那契网格阵列进行改进,提出一种大规模低旁瓣稀疏阵列的高效设计方法。 For the demands of K/Ka band multibeam active phased array antenna in low Earth orbit( LEO)wideband satellite communication networks and 5G networks application,an efficient design method of largescale low side lobes sparse array based on Fibonacci grid is presented.
14558 首先从数学上对斐波那契网格阵列的栅瓣抑制特性进行解释,进而对阵列进行数值计算和全尺寸三维电磁仿真。 The grating lobe suppression priorityof Fibonacci grid is explained in mathematics,followed with numerical evaluation and full scale three dimensional electromagnetic simulation of several antenna arrays.
14559 最后结合实际工程应用给出一种K频段高密度集成有源相控阵多波束天线的阵面及射频芯片的布板方案。 A schematic layout of radiation elements andradio frequency integrated circuits( RFICs) of a super-integrated K band multibeam active phased array is demonstrated.
14560 这种大间距阵列在大扫描角域和大带宽内具有低副瓣、无栅瓣、高增益等优良特性,非常适用于通信应用中的高密度集成有源相控阵天线。 Featured by low side lobes,non-grating lobes,high gain in wide scan angles and wide frequency band,this kind of large spacing array is adequate for the super-integrated phased array in communication.
14561 针对目前全球卫星导航系统(Global Navigation Satellite System,GNSS)普遍存在的抗干扰能力弱的突出问题,研制了一款七通道抗干扰GNSS接收机,通过利用多模组合导航抗干扰技术及级联/组合空域、时域与频域等多重抗干扰技术来应对复杂电磁环境应用的需求。 In order to solve the ubiquitous outstanding problem of weak anti-jamming ability of global navigation satellite system( GNSS) ,a seven -channel anti -jamming GNSS receiver is developed. The multi-mode integrated navigation anti-jamming technology and cascade /integrated airspace,time domain and frequency domain multiple anti-jamming technologies are used to meet the requirements of complex electromagnetic environment applications.
14562 重点介绍了抗干扰GNSS接收机射频前端的设计方法,通过数理推导给出了产品设计需求与整个射频前端及各级电路的设计指标之间的定量关系,从而提供了在已知设计需求的条件下进行产品正向设计的设计准则与方法。 This paper focuses on the design method of RF front-end for anti-jamming GNSS receiver.Through mathematical derivation,the quantitative relationship between product designrequirements and the design indexes of the whole RF front-end and all cascade circuits is given.Thus,the design criteria and methods for forward design of products with known design requirements are provided.
14563 通过产品投产和测试,测试结果与设计需求吻合,从而验证了该套设计方法有效可行,同时该套准则与方法具有很强的普适性。 Finally,through production and test of the product,the test results are consistent with the design requirements,which verifies the effectiveness and feasibility of the design methods.This set of design criteria andmethods have strong universality.
14564 与同类产品比较以及整机试验表明,该产品的抗干扰能力(主要体现为最大可承受干信比)较同类产品提升20 dB以上,证明产品具有一定的先进性。 Comparison with similar products and whole machine experiment demonstrate that the product's anti-interference ability which is mainly reflected in the maximum acceptable jamming to signal ratio,is more than 20 dB higher than that of similar products,and the product is advanced.