• 正因为输出信号已知的,所以轻松处理这样多频率信号

    Because the outgoing signal is known, it is as easy to process as spread-spectrum signals.

    youdao

  • 事实上由于频率低,射频接触水平相同情况下,人体调频收音机电视吸收信号吸收的信号倍。

    In fact, due to their lower frequency, at similar RF exposure levels, the body absorbs up to five times more of the signal from FM radio and television than from base stations.

    youdao

  • 因为K波段x波段2.5干扰产生信道信号频率要高2.5倍,这极大改善慢速快速移动目标探测

    Since K-Band frequency is 2.5 times higher than X-Band, the multipath signal generated by an intruder is also 2.5 times higher, vastly improving detection of slow and fast-moving targets.

    youdao

  • 通过信号进行基于瞬时相关瞬时频率提取的方法对中频信号进行分析、识别,然后可以FP - GA内部构造一个通道匹配滤波器信号进行匹配。

    The article analyses the signal through the method of gaining instant frequency on the base of instant correlation, then we can make up a multicenter matching filter in the FPGA.

    youdao

  • 利用传感器切削振动信号进行监测,通过频率变换提取切削力特征量,采用小波分解技术提取振动信号特征量。

    Signals of cutting force and vibration are measured with multi-sensor and features in frequency domain and time-frequency domain are extracted by using wavelet package decomposition.

    youdao

  • 设计中失真再现不同频率信号用到采样变换数字信号处理技术进行了研究。

    The multirate transform theory is studied here because it is utilized to reconstruct the waveform of different frequencies signals without distortion.

    youdao

  • 智能天线采用空分址,利用信号传播方向差别,将频率同时信号区分开来。

    Smart antenna adopts SDMA, and in terms of the difference of transmission direction, it can distinguish signals of the same frequency and the same time interspace .

    youdao

  • 针对软件无线电(SDR)技术中的频段信号通均匀采样技术,提出一种能够高效、准确求解最小采样频率方法

    An efficient method is presented to find the minimum valid sampling frequency for bandpass sampling of multiband signals in software defined radio (SDR) technology.

    youdao

  • 方法根据数字频率合成理论基于FPGA实现了信号核心部分

    Method Based on the digital frequency synthesis theory and FPGA, the main part of a multi-frequency signal source is accomplished.

    youdao

  • 方法既可用于段线性调频连续波探测回波积累检测,也用于个相参脉冲信号的积累频率估计

    The new methods can be used in both detection of FMCW echo and frequency estimation of correlative pulse train.

    youdao

  • 算法实现信号分辨,也可实现时变频率信号的到达角估计。

    The algorithm can resolve multiple signals and applied to signals with time-varying frequency.

    youdao

  • 小波变换信号时间-频率分析方法,它具有辨分析特点,它有效地检测识别信号,在跳频通信中有极其重要的作用。

    To analyze and detect the feature of frequency hopping signal exactly is a crucial prerequisite to carrying out disturbance to follow the track of signal.

    youdao

  • 时间作为采样基准信号幅度作为采样基准,实现了对包含频率成分的复杂信号采样率。

    This method does not use the time variable as reference but is based on the amplitude of the signal. It can get the multirate sampling for complex signals.

    youdao

  • 分析了空间估计信号方向频率估计中通道失配和阵元互导致系统性能下降机制

    The mechanism of the performance degration for space-frequency spectrum estimation due to ChannelMismatching and Sensor Coupling is analyzed.

    youdao

  • 介绍了可以用于信号测电子科技大学博士论文频的技术:频率信道过零点分析

    Two technologies, spectral channelization and spectral analysis with zero crossing that could be both applied to multi-signals, are also introduced.

    youdao

  • 现代短波通信系统信道具有频率选择性传输产生信号相干衰落符号干扰

    In modern shortwave communication systems, the channels are mostly frequency-selective, multipath transmission causes the coherent attenuation and symbol interference.

    youdao

  • 特别适应频率捷变雷达信号处理中的滤波

    It is especially suitable for the Doppler filtering in the signal processing of...

    youdao

  • 本文基于线性调频脉压信号时间卜勒频率存在耦合事实提出干扰实现欺骗干扰的方法

    Based on the fact that a chirp radar signal has a strong coupling between time and velocity, a deceptive jamming technique with shift frequency is proposed.

    youdao

  • 分析结果表明信号输入输出功率中确实输入信号调制分量产生,同时可以发现,对于宽频带的行管,互调制分量主工作频率输出功率有比较影响

    The results show that: when two signals are inputted into TWT, the output power includes the intermodulation components, and the intermodulation components have important effect on broadband TWT.

    youdao

  • 频率平移电路(172 ~ 188)使得经过通滤波的若干通道模拟信号域中接邻,相邻通道信号之间没有任何保护频带

    A frequency translation circuit (172-188) abuts the multiple channel bandpass filtered analogue signals in the frequency domain without any guard bands between adjacent channel signals.

    youdao

  • 本文根据信号特点提出分析频率时间关系的方法,并给出实际信号计算结果

    The paper presents a kind of analysis of frequence- time relation according to characteristic of dopller signal and gives calculating results of a practical signal.

    youdao

  • 通过使用频率缩放器(428)缩放低速抖动信号(420)产生全速抖动 信号(404)的抖动信号发生器(216,400)。

    A multi-speed jittered signal generator (216,400) that generates a full-speed jittered signal (404) by scaling a low-speed jittered signal (420) using a frequency scaler (428).

    youdao

  • 定义特殊二维时间平均估计信号频率

    Second, a special 2-D the fourth-order time-average moment spectrum is defined to estimate frequency in zero mean multiplicative and additive noise.

    youdao

  • 介绍采用传感器对采煤机运行状态进行监测通过监测信号进行分析,得到其特征频率信息,以达到对早期故障的预测。

    The paper introduces a method of using multisensor to detect running state and using the wavelet packet transform to analyse the signals. In the ends the character frequ…

    youdao

  • 介绍采用传感器对采煤机运行状态进行监测通过监测信号进行分析,得到其特征频率信息,以达到对早期故障的预测。

    The paper introduces a method of using multisensor to detect running state and using the wavelet packet transform to analyse the signals. In the ends the character frequ…

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定