The European HiperLAN standard operates in same frequency band as the U-NII.
欧洲超级无线局域网的标准工作频率与 U-NII 相同。
The RF-7800V provides continuous coverage in the 30 to 108 MHZ frequency band at up to 50 watts of power.
还可在50w功率下提供30-108MHz的持续性频率覆盖。
Our company has strong development capabilities, self-developed 30-point frequency band launch teaching reading, the current leader in China.
我公司具有较强开发能力,自行开发的30个频点带发射的教学复读机,目前在国内领先。
It receives Ku frequency band signals from 10.7 through 12.75 GHz with improved frequency stability by using an external 10 MHz reference.
它可以接收Ku波段信号,频率范围10.7 ~ 12.75GHz,通过使用一个外部10MHz参照物改进频率的稳定性。
The basic idea using array sweeping to suppress harmonic interference is to reasonably design each sub-sweeping frequency band that can reach the goal of elimination of harmonic interference.
利用组合扫描压制谐波干扰的基本思想就是合理地设计各个子扫描频宽,达到消除谐波干扰的目的。
If only one channel is available in the frequency band equipment protection can be optionally implemented with a1 + 1hot standby configuration.
如果频带中只有一个信道可用,可以选择使用1 +1热备用配置实现设备保护。
At last, we recomposed some frequency band of wavelets, and the results can efficiently extract the features of acoustic emission signal.
最后通过对能反映源特征的频带信号进行重构,这样能更好更有效的提取声发射信号的本质特征。
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.
MIMO系统在发送端和接收端利用多个天线同时在相同的频带内传输信号,使得信道容量得到很大的增加。
Pressure data were analyzed by wavelet transform in wavelet domain. Frequency band energy spectrum and intensity index of ISW based on wavelet coefficient were obtained.
通过基于子波的分析方法,对压力数据进行了分析,获得了基于子波系数的频带能量谱和冲击波强度指数。
The theoretical and experimental results are presented, which show the low axial ratio and low loss characteristics over octave frequency band of the polarizer.
给出理论和实验结果,证明了这种四层曲折圆极化器可以在倍频程范围内得到良好的低轴比、低损耗特性。
The Cover Matrix enhanced information of cylinder explosive noise signal at frequency band of cylinder explosive.
该包含矩阵加强了气缸爆发噪声信号在气缸爆发频率所在频段的信息。
In view of energy, the different frequency band is chosen corresponding to the distribution system with the different neutral grounding mode.
对于中性点接地方式不同的配电网,按照能量的观点,选择不同的频带来实现故障选线。
In view of energy, using waveform recognition, the different frequency band is chosen corresponding to the distribution system with the different neutral grounding mode in SFB.
对于中性点接地方式不同的配电网,按照能量的观点,在SFB频段内选择不同的频带利用波形识别技术来实现故障选线。
Helical antenna has not only almost identical to the resistive input impedance in broad bandwidth, but also works by the end of super-gain front lobed map in the same frequency band.
螺旋天线不仅在宽频带上具有近乎一致的电阻性输入阻抗,而且在同样的频带上按超增益端射阵的波瓣图工作。
The serial product features include wide frequency band, low VSWR, high attenuation accuracy, small dimensions, high power, excellent capacity in anti-burnout etc.
该系列产品具有频率范围宽、驻波系数低、衰减精度高、体积小、功率大、抗烧毁性能好等特点。
First, the concept of LHM and the methods to realize it in microwave frequency band are introduced.
首先介绍了左手材料的基本概念,左手材料在微波频段的实现方法。
Broadcasting network by satellite, with its wide frequency band and vast overlay, ACTS as an excellent medium for the widespread of information.
卫星广播电视网以其频带宽、覆盖面广的优点,为信息的传播提供了非常良好的媒介。
The conic errors produced by frequency band narrow, quantization error, and installation error of gyro and low attitude update rate were analyzed.
研究了由陀螺频带不足、量化误差和安装误差,以及姿态更新率过低造成的圆锥误差。
With the perfect characteristics of acoustic vector sensor in the low frequency band, accurate DOA estimation is achieved with small array size.
利用矢量传感器在低频段的良好特性,实现了小尺寸声阵条件下的高精度目标DOA估计。
Finding out the major concentrated frequency band of tool-wear information can enhance SNR (Signal Noise Ratio) and improve tool-wear degree recognition result.
找出刀具磨损信息在可听阈内的主要集中频段能提高切削声信号的信噪比,改善识别结果。
Based on the cross-power spectrum estimation, the algorithm has the advantages of lower complexity and better precision over wide frequency band.
该算法基于互功率谱估计,具有算法复杂度低、精确度高、适用频率范围广等优点。
The selection of filter is controlled by software, so that low-noise signal can be acquired in a wide frequency band.
由软件控制选择滤波器,这样可以在很宽的频带获得低噪声的信号。
The fault characteristic periodic signals of the rolling bearing are in low frequency band and often buried in the noise.
反映滚动轴承故障的特征周期信号处于较低频带内,容易被噪声淹没,难以检测。
The cymbal hydrophone has small volume and high sensitivity, but its reception performance is not stable enough, with narrow receiving frequency band.
钹式水听器体积小,灵敏度高,但是接收的性能不够稳定,接收频带比较窄。
Useing the bimorph bend vibration mould, a simple and low cost electroacoustic doubler and mixer available for overall low frequency band can be produced.
利用双晶片的弯曲振动模式可以制造出结构简单、成本低廉的电声倍频器、混频器,可适用于整个低频范围。
In DS - CDMA system, a number of users share a common frequency band.
在DS- CDMA系统中,许多用户占用同一个频带进行通信。
Short wave is radio frequency band earliest utilized by human being, and short wave communication is one modern communication method with a long history.
短波是人类最早开发利用的无线电频段,短波通信是历史最为悠久的现代通信手段之一。
Short wave is radio frequency band earliest utilized by human being, and short wave communication is one modern communication method with a long history.
短波是人类最早开发利用的无线电频段,短波通信是历史最为悠久的现代通信手段之一。
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