• To provide a ferrite sinter for an antenna suitable for use in a high frequency band and a broad band and to provide a magnetic material antenna.

    本发明提供一种适用高频频带宽频天线铁氧体烧结磁性体天线。

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  • ADSL is a branch of DSL technology, but also the use of ordinary telephone lines to transmit data, but it is used in high frequency band than the voice.

    ADSLDSL技术一个分支同样也是使用普通电话线路传输数据使用频率要比语音波段

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  • ADSL USES the high frequency band which has not been used in the common telephone line and the advanced modulating technique to provide broadband access.

    ADSL利用普通电话线使用高频频段采用先进调制技术提供宽带接入

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  • At high frequency band, the frequency response error of a peak detector is the high frequency resonance error mainly produced by the distributive parameter.

    峰值检波器误差频段主要分布参数产生高频谐振误差。

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  • As a result, we accurately estimate the effective signals in high frequency band and better the noise suppression, thus broadening the effective frequency band.

    这样做结果,使频段有效信号估计更加准确,能更好地改善去效果,从而达到拓宽有效频带的目的。

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  • Compared with traditional bearing fault diagnosis method, the approach proposed in this paper can detect the low frequency modulated components from high frequency band.

    传统轴承故障检测技木相比优越性在于可以提取振动信号的高频能量中的低频调制信号,从而大大提高了故障特征信号的信噪比。

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  • The spectral compressor compresses a pre-selected portion of the high frequency band and maps the compressed high frequency band to a lower band limited frequency range.

    频谱压缩压缩高频频带预选择部分压缩高频频带映射低的有限带宽频率范围。

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  • High frequency band is a hostile electromagnetic environment. In this band atmospheric noise emitted by lightning in a short distance may badly affect HF GW radar's normal function.

    频段电磁环境恶劣,近区雷电一频段激发的天电噪声HF -GW雷达正常工作构成了严重干扰。

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  • The circular region F-norms in low frequency band of wavelet transform is used as color feature of the image and the energy ratio of high frequency band is used to form texture descriptor.

    颜色特征采用整数小低频系数矩阵环形区域F -范数,纹理特征则采用高频部分的能量比值

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  • During a seven-day auction on eBay that ended on May 29, Novocin says he sold four items, including an X-Band Weather Radar Modulator for and a high-frequency radio circuit card for .

    最后经过七天的竞价诺沃卖出件零件,包括以500美元的售价卖出雷达调节器以32美元卖出一个高频无线电电路板。

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  • Approximate coefficients in low frequency band of two images and the average over absolute wavelet packet coefficients of high frequency brand form a fused coefficients matrix.

    幅图像低频波段逼近系数均值,对频段选取绝对值大小波系数,得到融合系数矩阵。

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  • Wide frequency spectrum can be received and high probability of intercepting can be got and the simultaneously attend signals can be processed by wide band radar EW reconnaissance digital receiver.

    宽带雷达对抗侦察数字接收机具有较瞬时频率覆盖特性较高截获概率处理同时到达多个信号

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  • Narrow band intermediate frequency digital receiver has been widely used in radar EW reconnaissance. At present, the high speed signal processing is the key point of its researching.

    窄带中频数字接收机雷达对抗侦察得到广泛应用,高速信号处理技术目前研究重点

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  • Both the noise and the edge belong to high frequency signal, it's hard to pick up with frequency band.

    噪声边缘一样属于高频信号很难带来做取舍。

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  • To conveniently and accurately evaluate the wind-induced accumulated fatigue damage of high-rise structures in frequency domain, an improved equivalent narrow band method was proposed.

    为了方便准确地估算高耸结构疲劳累积损伤,提出了一种改进等效窄带算法

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  • The millimeter wave (MMW) Inter-pulse stepped frequency radar is a type of wide-band high-range-resolution radar.

    毫米波脉冲频率雷达宽带高距离分辨率雷达。

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  • A frequency selective surface (FSS) is a metallic periodic structure with frequency selective properties. Depending upon design, it may be low-pass, high-pass, band-pass, band-stop filter.

    频率选择表面FSS具有选择频率功能的块金属周期结构可以设计成低高通通、带阻滤波器

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  • Because of limited frequency band of channel, spread spectrum and MFSK modulations can not resolve that high speed transmission is in contradiction with limited frequency band.

    当进行高速水下通信时,由于水下信道频带有限扩频MFSK调制方式无法解决速率信息传输可利用信道频带窄的矛盾

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  • The coaxial feed is an important dual-band feed used in reflector antennas. The inner conductor of the coaxial feed is the high frequency feed, and the coaxial zone is the low frequency feed.

    同轴馈源用于反射面天线双频共用馈源一种重要形式,其内导体为工作频段圆波导馈源,同轴区域工作在频段的同轴源。

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

    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。

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  • After 3d high resolution seismic data of Yacheng 13-1 structure were inversed using restriction sparse pulse inversion, data volume of full-frequency band absolute wave impedance was gained.

    利用约束稀疏脉冲反演方法崖城13—1构造分辨率地震资料进行反演,得到了频带的绝对阻抗数据

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  • The noise from injection and bubbling has the character of wide frequency band and high noise level.

    喷注鼓泡产生噪声具有频带声压较高特征

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  • The frequency parameters are set in highly denseness in high energy frequency band, but in sparse denseness in low energy frequency band.

    能量频段密集选取频率参数,相反在能量的频段稀疏选取频率参数。

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  • The nonlinear dispersion relation shows that a high wave power results in a reduction of frequency band of MSSW.

    获得非线性色散关系揭示了传播功率致使静磁表面波频带压缩

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  • The serial product features include wide frequency band, low VSWR, high attenuation accuracy, small dimensions, high power, excellent capacity in anti-burnout etc.

    系列产品具有频率范围宽驻波系数衰减精度高体积小功率大、抗烧毁性能等特点

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  • Current mode theory enables design of super wide frequency band, super high speed analog switches by introducing circuit structures and principles.

    采用电流理论电流模电路设计宽频带超高速度模拟开关

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  • Wide frequency band, high power, low losses and wide temperature coefficient are the developing trends of microwave ferrite materiel.

    微波铁氧体材料发展趋势宽频带功率损耗温度系数

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  • Gradual shifting of the spectral band toward high-frequency presents upward thickening succession, which means the upward net depositional rate decrease.

    能谱逐渐高频方向转移,反映一个向上变薄的序列向上沉积速率减小。

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  • The invention has the characteristics of wider working bandwidth and the high gain, which is suitable for the antenna application of the three frequency band RFID reader-writer.

    发明具有工作带宽高增益的特性适合频段RFID读写器天线应用

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  • The invention has the characteristics of wider working bandwidth and the high gain, which is suitable for the antenna application of the three frequency band RFID reader-writer.

    发明具有工作带宽高增益的特性适合频段RFID读写器天线应用

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