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- ultrahigh frequency band 特高频
- This effect is obvious at lower frequency band. 这种效应在振动低频区段更为显著。
- The assigned frequency band is 928 MHz to 902 MHz. 那分配频率乐团是 902个百万赫兹至 928个百万赫兹。
- An electron tube used to amplify or generate ultrahigh frequency by means of velocity modulation. 速调管一种用速度调节的方法放大或产生超高频率的电子管
- We can't hear any program when we turn our radio onto this frequency band. 当收音机调到这个频段上时，什么节目也收听不到。
- Abstract: Electronic ballast with ultrahigh frequency （UHF） can avoid the intrinsic problem of acoustic resonance of HID lamps. 摘 要: 采用超高频电子镇流器能有效克服高强度气体放电灯所固有的声谐振问题。
- This paper presents that developing ultrahigh frequency pulse EDM generator of adjustable duty ratio by CPLD based on the characteristic of CPLD,complete hardware logistic. 从CPLD具有完全硬件逻辑的特点出发,提出了用CPLD发生占空比可调的超高频电火花加工脉冲信号的设想。
- Another attribute is the flux or radiant power that can be delivered in that narrow frequency band. 另一个性质就是在这样窄的频带内可以给出很高的光通量或辐射功率。
- A specified frequency band for the transmission and reception of electromagnetic signals,as for television signals. 频道，波道传送和接收电磁信号的一特定的频率波段，如电视信号
- The design is very suitable for wireless communication systems which work in ISM frequency band. 所设计的软硬件接口非常适合在ism频段的无线通信系统中应用。
- Also developing ultrahigh frequency pulse celectro-discharge machining(EDM) generator of adjustable duty ratio by CPLD based on the characteristic of CPLD,complete hardware logistic. 从CPLD完全硬件逻辑的特点出发,使用CPLD发生占空比可调的超高频EDM脉冲信号。
- The distance between the acoustic-emission source and the receiving transducer, and the background noise level are primary factors in selecting a particular frequency band. 声发射源与接收讯号传感器间的距离以及环境噪声的电平是选择频带的主要依据。
- Analyse of Frequency Band in Acceleration Measurments during Ejection and Parachuting. 弹射和开伞过载测量中的频率分析。
- The method can directly detect the fault characteristic signals in low frequency band and achievefault diagnosis. 该方法直接检测故障的低频特征信号,完成故障诊断。
- The signal environment of ECM is more and more complex, so frequency measurement methods must be high-speed and precise in broad frequency band. 面对日益复杂的电子战环境，要求必须在很宽的带宽范围内，对频率信息进行快速、高精度的测量。
- A relatively restricted frequency band, normally used for a single purpose, or made available to a single user. 比较狭窄的频带，通常用于一种目的或一个用户。
- A specified frequency band for the transmission and reception of electromagnetic signals, as for television signals. 频道，波道传送和接收电磁信号的一特定的频率波段，如电视信号
- For band-pass,the highest code element rate is 2W Baud,and the gettable highest rate of frequency band is 2 Baud/Hz. 对于带通系统而言,最高码元速率为2W Baud,此时可获得的最高频带利用率为2Baud/Hz。
- television transmitter of ultrahigh frequency 分米波（UHF）电视发射机
- A Study on Selection of Frequency Band width of Base-band Nanosecond Pulse Amplifier. 零中频毫微秒脉冲放大器带宽选择的研究
