查询词典 in-line antenna

The 1989-1992 (4th generation) offered in other countries received unheard of equipment for an Accord such as a Navigation System, TV, mini-disc player, digital automatic climate control, traction control, Anti-Lock brakes, side-marker lights, heated mirrors, outside temperature gauge, an in-cabin air refiner, map lights, seat heaters, standard fog lamps, headlight washers, rear fog light, full-power seats, telescoping bumper pole, half-mast antenna switch.

在1989-1992年，在其他国家提供的接收设备没有听说过一个协议，如导航系统，电视，微型碟播放器，数码自动气候控制系统，牵引力控制系统，防抱死制动系统，侧-廓灯，可加热后视镜，室外温度测量仪，一个舱内空气炼油，阅读灯，座椅加热器，标准的雾灯，头灯清洗装置，后雾灯，全电动座椅，保险杠伸缩杆，半旗天线开关。

This thesis contributed to the comprehensive study of the Finite-Difference Time-Domain method and its application to the numerical computation of radiated electromagnetic fields in switched mode power supplies. The work includes mainly three parts: the study on the performance of PML absorbing boundary condition applied to pseudo low frequency electromagnetic problems; the validation of the FDTD method with PML absorbing boundary conditions and the corresponding computer software based on the numerical study of the electromagnetic field of an electric dipole antenna, and its application to the numerical computation of radiated electromagnetic fields in switched mode power supplies; the development of an improved alternating direction implicit finite-difference time-domain method.

在综合前人工作基础上，本文对时域有限差分法及其在开关电源辐射电磁场数值计算中的应用进行了系统的分析和研究，其核心内容包括：伪低频电磁场数值计算中PML吸收边界条件性能的研究；基于基准问题—电偶极子天线三维辐射电磁场，验证了本文构造的基于PML吸收边界条件的三维FDTD法及其计算软件，并应用于高频开关电源辐射电磁场的数值分析；提出了一种改进的交替方向隐格式时域有限差分法。

It points out the topic, meaning and creative; introducing the consist and principle of the intelligent vehicle navigate system in chapter 2; analyzing the method of GPS-oriented and the error origin in chapter 3; analyzing briefly the principle and merged method of interspaced diversity and resist multi-decline in chapter 4; introducing the hardware and software realization of ambulant station of intelligent vehicle navigate /dispatcher system based on multi-GPS antenna in detail in chapter 5; giving the debugging and simple trial result of ambulant station in chapter 6; The lasted propose solving tactics to problem that exist in studying, draws a conclusion of this thesis and plans the future researching works.

指出本课题的研究的主题、意义及创新点；第二章概括性介绍了智能车辆定位导航系统的组成与原理；第三章分析了GPS定位的方法和误差来源；第四章重点分析了空间分集抗多经衰落的原理和信号合并方法；第五章详细介绍了多GPS天线智能车辆导航/调度系统车载台的软硬件实现；第六章给出了车载台的调试和简单试验结果。最后对研究中存在的问题提出了解决策略及下一步的研究方向。

According to Lagrange equation in analytic dynamics, the dynamic equations of the Double-Axis Gyro Stabilized Platform of a certain airborne SAR antenna are derived, its linear model and the transfer functions of other main parts in the DAGSP are given and at last the block diagram of DAGSP is given.

6利用分析力学原理，推导了某机载天线双轴陀螺稳定平台的动力学方程和线性化模型；给出了天线双轴陀螺稳定平台中各主要环节的传递函数及数学模型。

This kind of analysis method can be directly used in the selection design of antenna dip angle and in the confirmation of accuracy target of fuse information transmission system and fuse information control system.

这种分析方法可直接用于对不同目标的引信天线倾角的选择设计及引信信息传输系统、信息控制系统的精度指标确定。

Romantic and manorial the individual character space of li of player is made -- manorial and feudal, complete also by the move is own DIY game content and game means will manage nurturance, forest is planted fruiter of flower, crops, need not drive area of the environs that go to a city to lease land cultivate land, can experience like rurality and embrace take the happy experience that holds results in both hands greatly; Need not constrained at the appropriate breed aquatics in household the space is mixed breed a condition, can bring puppy people more cares and caress, do not have a thing to amuse funny piggy, chase after chase after leveret, hello feed a chicken; The super big flicker that business of coastal waters drawing near encircles the annulus hill that also need not accept estate to develop business constrainedly again, and style of machine-made Europe type and centralized building structure, manorial and built-in build community, door model pattern, surface color trend, indoor decorate, court is decorated said to calculate by yourself completely, DIY whole journey experiences, one person cent impersonates much character, antenna branches and tendrils expands more and professional domain and life experience drill; Need not force oneself to live for working public relations and affection more, with perfect and unfamiliar, be without be mixed but the person of character and circle try to show happyness when one is sad, the person nature that falls in love with romance is unrestrained, freedom and love are them most the little vain hope that care, romantic and manorial in assembled they are all the friend of have a common goal, they are the families that such is deeply attached to each other.

浪漫庄园里玩家的个性空间打造——庄园领地，也完全由着自主DIY游戏内容和游戏方式来经营养成，植树种花、庄稼果树，不必赶赴城市郊区租地种地，一样可以感受田园风光和拥揽大捧收获的快乐体验；不必拘泥于家居里适宜的养殖空间和养殖条件，就能够带给小动物们更多的关心和爱抚，没事逗逗小猪，追追小兔，喂喂小鸡；也不必再勉强接受房地产开发商的环山近海临近商圈的超级大忽悠，以及千篇一律欧式风格和统一的房屋格局，庄园内建筑群落、户型格局，外观风格走向、室内装修、庭院布置全由你自己说了算，DIY全程体验，一人分饰多角，触角枝蔓扩展更多专业领域和生活历练；更不必强迫自己为了工作公关和情感生活，与全然陌生的、毫无交集可言的人和圈子强颜欢笑，爱上浪漫的人天性无拘无束，自由和爱是她们最在乎的小小妄想，浪漫庄园里集合了他们所有志同道合的朋友，他们就是这样相亲相爱的一家人。

The present invention relates a method and apparatus for receiving signal in MIMO CDMA system, charactered in that: on transmitting side, transmit signal by at least two antennas; on receiving side, receive at least one antenna, and obtaining channel paraneters by estimation of channel, using the channel parenters and maximum likelihood principle into MIMO+CDMA system, solving the problem of receiving signal in multiple mobile environment in effect.

本发明为一种基于MIM0 CDMA的接收方法及装置，其特征在于，发射端：至少采用两个发射天线发射信号；接收端：至少采用一个接收天线接收发射天线发射的信号，并且通过对信道的估计获得信道参数，采用该信道参数和最大似然原理的步骤得到输出信号。本发明将ML原理应用于MIMO+CDMA系统中。

In order to realize the compatible communications system between digital TETRA and analogy MPT1327. Communications protocol between digital radio and control center is defined. Emergency call software flow for TETRA and MPT module is designed, and also state information sending and receiving for TETRA and MPT module is designed in this communication system. By comparing several solutions, switch methods between analogy TETRA communications and digital TETRA communications are designed including manual-switch and soft-switch. In the article, coding module of receiving and sending equipments in TATT analogy TETRA communications is described, so that it can be compatible with NOKIA network equipments and it also can improve the availability rate of the trunk system. In order to realize the integration of digital TETRA communication and analogy MPT1327 communications, double- frequency antenna system is researched.

通过几种车载电台解决方案比较，设计了相应的模拟集群通信系统与数字集群通信系统的切换方法，其中包括人工切换和软切换，实现了模拟与数字集群兼容的一体化移动列车调度电台解决方案；为了实现数字集群通信系统与模拟集群通信系统以及NOKIA与TAIT模拟集群通信系统之间的相互兼容，设计了新的数字车载电台与控制中心之间的通信协议；系统设计了用于数字集群通信模块的紧急呼叫通讯流程，以及设计了用于模拟集群通信模块状态信息发送与接收流程，以满足列车无线调度的运营要求；论文还论述了对TAIT模拟集群收发设备编码模块的改造，使之能与NOKIA的集群设备相兼容，提高了集群设备的利用率，为在NOKIA模拟集群通讯模块停产后寻找了一种可替代的兼容解决方案；为了实现数字集群通信系统与模拟集群通信系统设备的综合，论文还探讨了本工作所需专用的双频段的天线系统。

Mobile phone RF system consists mainly of transceivers, power amplifier and antenna switch. PA might be set in the Front-End-Module or FEM. In 2G, the cost of RF system was only about US $1.5, while In 3G, the cost was increased to between US$6.0 and US$8.0, and the cost will further increased to about US$8.0 to US$10.0 in 4G, obviously, FR system had the highest cost growth during the upgrading of mobile phones.

手机射频系统有三个主要零组件，收发器、功率放大器（Power Amplifier，下简称PA）和天线开关，有时PA包含在前端模块（Front-End-Module，简称FEM）。2G时代的射频系统只占大约1.5美元的成本，3G时代则占大约6-8美元的成本，4G时代则占大约8-10美元的成本，也是手机升级换代成本增加最多的部分。

In Chapter 4, two new types of built-in PIFA are proposed to alleviate the absorption of human body and to improve the radiation efficiency of the antenna. In one new type of PIFA, a parasitic conducting plate parallel to the ground plane is added to the original PIFA, and in the other type, a λ/4 short plate is connected to the ground plane.

第四章为了减轻携带机内藏PIFA对人体的辐射，提高天线的发射效率，首先用FDTD数值法研究了不同的馈电结构对人体近旁的天线发射效率的影响，从而在此基础上提出了两种新型的PIFA结构来减轻人体的吸收，以达到提高天线发射效率的目的。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。