With the coming of digital times, there exists emerging need to upgrade the ground transmission standards which brings both challenges and opportunities to the TV transmitter manufacturers.
指出电视数字化时代的到来、地面传输标准的升级,给我国电视发射机制造企业提出了新的挑战,同时也给企业提供了新的机遇。
Engineers also will practice cutting off a transmission mid-stream and picking it up on another ground station.
工程师还将进行实地演练,人工切断传输中的数据流后,尝试从另一个地面站继续信息,实现断点续传。
Wireless transmission emerged again in the 1960s, with a demonstration of a miniature helicopter powered using microwaves beamed from the ground.
20世纪60年代无线传输概念再次被提出,当时展出的一种微型直升机,通过地面发出的微波光束来供电。
Teams on the ground are focusing on breaking the chain of transmission and are continuing to monitor additional suspected cases in isolation facilities and to trace contacts.
现场的工作小组正在注重于阻断传播链并正在继续监测隔离设施中的更多疑似病例和追踪接触者。
The contracts will permit raised production rates of new ground stations for very high bandwidth and medium bandwidth transmission, and upgrade an overseas site for handling Syracuse traffic.
为了获得很高的带宽和媒介带宽传输,这些合同将允许提高新地面站的生产率,并升级处理syracuse交通的海外网站。
Transmission fluid: with car on level ground start the engine and check the dipstick.
变速箱油:将车停于平地,启动发动机,查看量油尺。
Due to additive relative motion between ground jamming emitters and SAR, the spurious phase modulation of transmission signal is produced.
地面干扰发射机和SAR之间的附加相对运动,产生了传输发射信号的寄生相位调制。
Information transmission between ground and down hole is the of key the closed-loop control system of wellbore trajectory.
地面与井下的信息传输是井眼轨道自动闭环控制的核心。
The distributed BST capacitor-loaded phase shifter was designed, of which the high impedance transmission line is finite ground coplanar wave-guide (FGCPW).
采用分布式电容负载型结构设计出毫米波薄膜介质移相器,其中的高阻传输线为有限宽度地共面波导。
Two way transmission between the train and ground facilitates closed-loop acknowledgement.
车-地之间双向传输,信息闭环确认;
A reliable communication link is the key to realize GPS data valid transmission between space and ground.
可靠的通信链路是实现空地GPS信息有效传输的关键。
Based on some research results, insulator corona pulses through the ground line of the tower could be used to identify faulty insulators on transmission lines.
大量研究结果表明,输电线路上的零值绝缘子可以通过流经杆塔接地线的绝缘子电晕脉冲信号检测出来。
Transmission and energy distribution characteristics of Rayleigh waves in layered ground were important for Rayleigh wave test.
掌握瑞利波在分层地基中的传播和能量分布特征是进行瑞利波勘测的关键。
Microwave technology has exited for over half of the century. It transmits the information by ground visual distance in microwave frequency band. It is a kind of wireless transmission technology.
微波技术问世已经半个多世纪,它是在微波频段通过地面视距进行信息传播的一种无线传输手段。
TRANSMISSION FLUID: With car on level ground, start the engine and check the dipstick.
变速箱油:将车停于平地,启动发动机,查看量油尺。
Microwave circuits differ from lower frequency circuits in ground connection, interconnect and manufacturing of the transmission lines.
微波电路与低频电路的不同主要在于接地,互连与微带线的制造。
The overhead OPGW, being of functions of the overhead ground wire and communication optical cable for transmission lines has demonstrated its advantages day by day.
架空地线复合光缆(OPGW )兼输电线路架空地线和通信光缆功能于一体,正日益显示其优越性。
Hybrid spread spectrum, rake and multiple data compressing technology are used to realize air to ground mass high-speed, anti-jamming multiple data transmission.
采用复合编码扩频技术、隐分集技术以及多媒体数据压缩技术,实现了空地大容量高速、抗干扰多媒体数据传输。
The ground attack system consists of the information reconnaissance system, the information transmission system, the command and control system, the combat system, the integrated support system, etc.
该体系由信息侦察系统、信息传输系统、指挥控制系统、作战系统、综合保障系统等组成。
The structure also had to be designed to reduce transmission of vibration from the movement of the forklift which is used in some areas of the ground floor.
结构也必须旨在减少来自一楼部分地区的起重机所带来的振动影响。
This passage also points out that the way of enlarging ground wire's equivalent radius can reduce the rate of shielding failure and enhance the security and stability of the transmission lines.
本文提出增大避雷线的半径的方法,可以减少输电线路的绕击率,从而提高输电线路的安全、稳定性。
The blastoff radar information transmission system is deliver the information from blastoff radar to terminal on the ground, and then deliver the commanding words up to the blastoff radar equipment.
升空平台雷达信息传输系统是将安装在空中平台上的雷达探测设备的信息下传回地面终端,同时将地面对空中雷达的控制命令上传至空中平台上的雷达设备。
Because a pair of conjugate surface can be ground precisely, the transmission accuracy of the worm drive is improved, the load-carrying capacity is increased and service life is prolonged.
其一对共轭齿面均可精确磨削。因此,该传动不仅可以提高传动精度,而且又能提高承载能力和延长使用寿命。
The DGS on the ground plane of transmission line is of simple structure and excellent performance and is easy to realize.
在微带线等传输线地平面上蚀刻的DGS作为一种周期性结构,其构造非常简单、性能优越、而且易于设计和实现。
The problem sets are designed to ground students in the understanding that ionic gradients are the primary power source of neuronal transmission.
作业的设计目的是为了使初学者理解离子梯度是神经元传递的主动力源。
The project calculating the average and instantaneous soil heat flux is deduced from the heat transmission equation satisfied by the ground temperature.
从地温满足的热传导方程出发,导出了计算土壤平均和瞬时热通量的计算方案。
Principles and methods of obtaining coupling transmission line wave parameters in symmetry Three-Phase-Ground are presented by experimenting.
并给出用实验方法确定三相-地耦合传输线波参数的原理与方法。
As to the ground echoes, the important problem is shelter. Through researching the character of microwave transmission, we give a new gene named shelter gene as a discuss focus.
地面回波的模拟关键问题是遮挡问题的处理,根据微波传播的特点,重点讨论遮挡因子问题。
The monopolar ground circuit operation mode of DC transmission system gives rise to excessive vibration and noise of some transformers in the power grid, which impacts the safety of equipment.
直流输电系统单极大地回路运行方式导致电网部分变压器振动加剧,噪声增大,影响了设备安全。
The monopolar ground circuit operation mode of DC transmission system gives rise to excessive vibration and noise of some transformers in the power grid, which impacts the safety of equipment.
直流输电系统单极大地回路运行方式导致电网部分变压器振动加剧,噪声增大,影响了设备安全。
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