• 式水听器体积灵敏度但是接收性能不够稳定接收频带比较窄。

    The cymbal hydrophone has small volume and high sensitivity, but its reception performance is not stable enough, with narrow receiving frequency band.

    youdao

  • 单个天线工作频带覆盖了例如无线电系统所使用频率范围或者只是该频率范围内的发射频带接收频带

    The operating band of an individual antenna covers e. g. the frequency range used by a radio system or only the transmitting or receiving band in that range.

    youdao

  • MIMO系统发送端接收利用多个天线同时相同频带传输信号使得信道容量得到很大的增加

    The MIMO systems use multiple antennas at both the transmitter and receiver to transmit signal in the same frequency band at the same time can significantly increase the channel capacity.

    youdao

  • 发射接收讯号传感器距离以及环境噪声的电平选择频带主要依据。

    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.

    youdao

  • 介绍空间有源目标脉冲跟踪接收系统组成及其工作原理

    This paper introduces the composition and working principle of single pulse tracking reception system for wide frequency-band spatial active target.

    youdao

  • 针对超声探伤特点设计了噪声频带动态范围大接收调理电路

    Aimed at the characteristics of ut, a receive and adjust circuit is designed, which have character of low noise, wideband, wide dynamic range of input.

    youdao

  • 时域脉冲天线具有辐射接收快速变化瞬态脉冲信号能力这种脉冲天线能够覆盖频带

    The time-domain pulse antenna has the ability to radiate and receive the fast changed transient signal, because this kind of pulse radiation antenna has very wide frequency range.

    youdao

  • 带通滤波器经常用于抗干扰设备以便接收某一频带范围内有效信号消除频段频段的干扰噪声

    Band-pass filter often used in anti-jamming devices, in order to receive a valid signal within the band, while the elimination of high frequency and low frequency interference and noise.

    youdao

  • 扩频通信指在发送端将信号频谱扩展很宽频带上,接收通过相关接收,将信号恢复到信息带宽一种系统

    The SS communication is a system that the spectrum of signal is spreaded in a wide frequency band when transmitted, and is recovered by the correlation reception when received.

    youdao

  • 基于FM信号无源雷达目标回波信号信频带只有开发动态范围接收机才可能接收微弱的目标散射信号。

    The target echo of passive radar based on FM signal has the characteristics of low SCR and narrow band. Only the receiver with large dynamic range can receive the weak echo signal.

    youdao

  • 具有圆极化特点宽带导航接收天线成为近年卫星接收天线研究热点之一

    One of the focuses on the research of the satellite navigation receiver antenna is that of circular polarization and broadband.

    youdao

  • 不像许多其他hf/50MHz接收有没有需要安装额外调频模式招待会2950兆赫频带

    Unlike many other HF/50 MHz receivers there is no need to install an additional unit for FM mode reception on the 29 and 50 MHz bands.

    youdao

  • 基于六端口技术直接变频接收证明种适用于可重构、重复编程、多频带、多标准的很有前途的接收结构。

    The aim of this work is to research the six-port theoretical background, and design a Ka-band direct conversion receiver front-end based-on six-port.

    youdao

  • 结果表明,改进后仪器接收地震反射振幅、主频率频带宽度、垂向分辨率仪器记录信号的有效动态范围不同程度提高。

    The results show that the main amplitude, main frequency and frequency band of reflected wavelet and the effective dynamic range of system have different degrees of increase.

    youdao

  • 结果表明,改进后仪器接收地震反射振幅、主频率频带宽度、垂向分辨率仪器记录信号的有效动态范围不同程度提高。

    The results show that the main amplitude, main frequency and frequency band of reflected wavelet and the effective dynamic range of system have different degrees of increase.

    youdao

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