uhf

美 [ˌju eɪtʃ ˈef]英 [ˌjuː eɪtʃ ˈef]
  • abbr.超高频
  • 网络超高频(Ultra High Frequency);特高频;超高频段

uhfuhf

uhf

超高频(Ultra High Frequency)

超高频(uhf)rfid标签天线的设计中,需要用到共轭匹配,论坛中进行过探讨,但好像不是很正确! 问题十四、 问题十五、 双 …

特高频

6特高频UHF)300~3000兆赫(MHz)分米波微波100~10cm7超高频(SHF)3~30吉赫(GHz)厘米波10~1cm8极高频…

超高频段

但是在超高频段UHF)尚没有结论。也有人说目前标准不成为问题,但是频率定不下来,终将成为大问题。

甚高频

潜 岸通信以甚高频(UHF)无线电为主,高频 (HF)无线电作为备用,此外还有超高频 (VHF)、卫星、中频和声纳通信。水面舰艇 …

超高频率

7 GHz 之间的无线频谱的超高频率(UHF)部分运 行的广播和通讯服务。 多信道多点分配服务尽管被认为是传统的有线电视的替 …

超高频标签

EPC 组织将超高频标签UHF)划分为Class 0、Class 1、Class 2、Class 3、 Class 4 和Class 5 六个级别,现在已经有Class …

超高频电子标签

型号:超高频电子标签uhf)描述:封装符合iso14443、iso15693、isoiec-18000及epc协议标准的芯片(13.56mhz/uhf),能 …

1
A commercially hosted UHF payload was one of the solutions described to mitigate the shortfall in UHF capability. 商用超高频载荷是其中解决方案之一,以减轻超高频的能力不足问题。
2
But, repeatedly, the communicator radioed, "Columbia, Houston, UHF comm check, " as if he might still hear a reply. 不过通讯员依旧用无线电重复着,“哥伦比亚号,这里是休斯顿,超高频通讯检查,”以为他仍能收到回复。
3
Two components (antenna and chip) must be connected together to produce a complete UHF RFID inlay. 两个组件(天线和芯片)必须连接在一起,从而制作出完整的超高频RFID嵌体。
4
Then, by means of the test of UHF data link and error analysis, validate the feasibility, high effect and practicability of this system. 然后,经过采用UHF数据链路的多目标监控系统的实际数据测试及误差分析,验证了方案的可行性、高效性和实用性。
5
E. T. built his own communicator out of the fuzz buster, some hobby pins, a knife and fork, and the UHF tuner from the TV set. . . E. T. 用那个策念头、一些曲别针、一把刀子和一把叉子,另有一架电视天线等东西,建起了他本身的通信装配。
6
UHF RFID antenna to roll the supply in the form of a silicon chip with a small RFID. 超高频RFID天线以卷状形式供应,贴有硅芯片的小型RFID带也是如此。
7
These frequencies, along with other UHF and VHF parts of the spectrum used by analogue television, are now to be vacated. 这些频率,连同模拟电视使用的其他UHF和VHF频谱,现在都空出来了。
8
Using an one-dimension particle simulation program, we analyze the characteristics of ion noise in a CPI TWT and a UHF klystron. 编写了一维粒子模拟程序,分别对一支CPI行波管和一支UHF速调管中的离子噪声特性进行了分析。
9
Each MUOS satellite features two payloads -- a wideband code division multiple access (WCDMA) payload and a legacy UHF payload. 每个MUOS卫星配备了两个有效载荷——宽频码分多址(WCDMA)有效载荷和传统UHF有效载荷。
10
The tag antenna is a key component of RFID systems. Dipole antenna and its modification types are widely used in UHF band. 标签天线是RFID系统的关键部件,UHF频段RFID系统多采用偶极子天线及其变形型式。
11
On this basis, it has a detailed discussion on the testing platform for UHF RFID hardware and software design. 在此基础上,以UHF频段为切入点,详细讨论了UHFRFID测试平台的硬件和软件的设计方案。
12
It makes sense of the instruction for the UHF RFID reader's design. 对超高频(UHF)频段射频识别系统阅读器设计有一定的指导意义。
13
ADT has also installed item-level UHF RFID readers near the cash desks of the center's clothing store. ADT已经还安装了单品级中心附近的服装店的现金柜台超高频RFID读写器。
14
The research and development on UHF RFID reader and tag are driven by the requirements in application of UHF RFID systems in recent years. 近几年,超高频(UHF)频段射频识别系统应用的要求推动了超高频阅读器和电子标签的研究与开发。
15
And permanent label than passive UHF tags helps to reduce the indirect cost of maintenance and the workforce. 与永久性标签相比,这种无源超高频标签有助于降低间接维修和劳动力的成本。
16
Although the passive UHF tags than low frequency labels are more susceptible to RF interference. 虽然无源超高频标签比低频标签对RF干扰更敏感。
17
I don't believe into any groundbreaking revolutions after EPC standards were created and UHF regulations opened UHF band for RFID use. 我相信没有什么比EPC标准和为使用RFID而开放超高频频段,设立规则更有革命性突破意义了。
18
The partial discharge signals were gathered by a united detective system of UWB method, pulse current method and UHF method. 局部放电信号用超宽带(UWB)脉冲电流、脉冲电流和特高频(UHF)联合检测系统获取。
19
the partial discharge signals were coupled by UHF sensor, and then the signals were sampled by high speed data acquisition system. 利用超高频传感器耦合局部放电信号,继而使用高速采集系统完成局放信号的采集,并浅析浅析了该策略的可行性。
20
In mountainous areas, UHF radio may not be a viable alternative. 在山区,UHF无线电波可能不是一个可行的替代办法。
21
Radio Acoustic Sounding with a UHF Volume Imaging Radar . 用UHF容积成象雷达进行无线电光学探测。
22
The application and popularization of UHF RFID has been limited for years by metallic interference towards ultra-high frequency. 超高频射频信号在金属环境的干扰,一直困扰着超高频射频识别技术(UHFRFID)的推广和应用。
23
RFID reader other than the device may be in the vicinity of the UHF spectrum or above. RFID阅读器以外的其他设备可能在超高频频谱上面或者附近工作。
24
This new technology inserts UHF and HF inlays under die-cut blank or pre-printed labels and validates the finished product. 这项新技术插入超高频和高频嵌体下,模具切空白或预先印制的标签和验证成品。
25
On the basis of simulation, we connect this antenna to UHF Near-Field RFID Reader to test this antenna, the test result is good. 在仿真的基础上,实际制作了实物,并接上UHF近场耦合阅读器进行测试,效果良好。
26
Ultra-high-frequency (UHF) PD monitoring approach is focused on recent years because of its effectiveness to avoid noises. 变压器局放超高频(UHF)监测策略具有抗干扰能力强等优点,近年来成为人们研究的热点。
27
Implementation and Validation of Range Imaging on a UHF Radar Wind Profiler. 雷达风廓线仪立体成像的实现和确认。
28
COM DEV will supply UHF diplexers, switch and filter assemblies, standalone switches and ancillary components. COMDEV公司将提供超高频双工器、开关和过滤器组件、独立开关和辅助部件。
29
The USX-800 incorporates a dual antenna UHF receiver with two identical tuners eliminating dropouts and unstable reception. 在塞克斯-800采用了超高频与消除辍学和不稳定的接待两个相同的双天线接收调谐器。
30
When UHF broadcasting came along, empty "guard bands" were added to each channel for the same reason. 而当超高频广播出现时,每个频道基于同样的理由,也加上了空闲的“保护频带”。