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- Intersymbol interference of frequency band transmission 频带传输的码间串扰
- 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。
- 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
- 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
- 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。
- Optic cable is ideal when wide band transmission channel is required to implement realtime dual transmission of bureau, mine remote picture and image. 局、矿远程图形、图象实时双向传输需要宽频带的传输信道，光纤光缆信道是理想的选择。
- Under the guidance of the GSM criterion,a compensation array method is put forward,which can be used to accurately calibrate the transmission power of every level in GSM900 and DCS1800 frequency band separately. 在GSM规范的指导下,提出了一种补偿数组的自校准方法,分别对GSM900和DCS1800频率段的每一功率等级的发射功率进行了精确而快速的校准。
- A new type of geophone is presented,based on the narrow band transmission and free of back reflection features of long period fiber grating. 基于长周期光纤光栅能透射特定波长的性质,以及其无后向反射的优点,提出一种新型的长周期光纤光栅地震检波器系统。
- This work deals with the fundamentals of basic frequency band signal transmission sys-tem for well logging and analyzes the bipolar return-to-zero system and Manchester trans-mission system for well logging in detail. 本文介绍了基带传输系统的原理,并较详细地分析了用于测井的双流归零制基带传输系统和曼彻斯特传输系统。
- Double frequency both side band transmission 双频双边带传输系统
- 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。
- double frequency both side band transmission system 双频双边带传输系统
- 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。
- 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。
- They are very compact in time and the frequency bands of interest are narrow. 它们在时间上是非常紧致的同时有意义频带是狭的。
- 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。
