SK Telecom Co. said subscribers can pay 3, 000 won (US.50) to download a sound wave that is inaudible to human ears but annoys mosquitoes within a range of three feet.
韩国鲜京电讯公司表示,定制此项服务的用户只需花3000韩元(合2.50美元)便可下载一种声波。 这种声波可以在三英尺的范围内驱赶蚊虫,而人耳却听不见。
SK Telecom said subscribers can pay 3,000 won (US.50) to download a sound wave that is inaudible to human ears but annoys mosquitoes within a range of three feet.
韩国鲜京电信(SK)表示定制用户可以花费3000韩元(合2.54美元)下载一种声波,这种声波人耳察觉不到,但可以在3英尺范围内驱赶蚊虫。
The wave speed. The valid range is 0 to ·. The range is 0 to 1. The default is 1.
波纹的速度,有效范围是从0到无穷大,滑块范围是0到1,缺省为1。
The results show that there exists a density window for lower hybrid wave current drive (LHCD), i. e, LHCD would be achieved only within a certain range of plasma density.
结果表明,存在着驱动电流的密度窗口,即仅在一定的等离子体密度范围内才能驱动电流(通常在理论和实验上仅注意到驱动电流的密度上限)。
The results of the experiment prove that the system has high stabilization, wide range in adjusting speed and small content of the wave in harmony, so it has a certain practical value.
实验结果表明,该系统稳定度高,调速范围宽,谐波含量小,具有较强的实用价值。
The results in this thesis enrich the application range of media wave theory and the homotopy methods application in inversion problems, which are of great theoretical and practical significance.
本文的研究结果丰富了介质波动理论和同伦方法的应用范围,对促进正、反演在工程中的应用具有一定的理论意义与实际价值。
These mantle body wave data are used to investigate the range of variations in the travel time residuals which indicate the degree of mantle heterogeneity.
我们利用这些高精度的走时数据研究了地幔体波的走时残差的范围及地幔非均匀性的强度。
On the bases of analyzing triangle wave form modulated LFM, the method of using DDR (Dual Channel Directional Doppler range) technique to eliminate the influence of speed to range is presented.
在分析三角波调制的线性调频信号的基础上,提出了用DDR技术消除速度对测距的影响方法。
LFMCW (Linear frequency Modulation continuous wave) radar is a radar system which can get the information of range and velocity through modulating the frequency of continuous wave.
线性调频连续波雷达是一种通过对连续波进行频率调制来获得距离与速度信息的雷达体制。
There was bigger wave range in activity of SPS and SS in control and the raising trend along with the fruit ripen, but the change wave in bagging fruit is not big during the whole growth period.
对照果实SPS和ss活性波动幅度大,SPS活性随着果实成熟呈上升的趋势,ss活性上升不大,而套袋果实SPS和ss活性在发育期间变化比较缓和。
The wave band in each kind of long-distance range ground communication or the radar work, can not apply.
该波段在各种远距离地面通讯或雷达工作中,均不能应用。
Recently, the researching range of catalytic wave extends to organic compound.
近几年来,催化波的研究已扩展到有机化合物范畴。
The experiment results prove that the power supply has good sine wave function, and widely apply range. it efficiently improves testing precision of core loss.
实验结果表明该电源具有良好的正弦波形,有较广的适用范围,能够有效地提高铁心损耗测试精度。
The applications of the Kalman filtering algorithm in data processing (range and speed) of quasi continuous wave radar are studied. A new adaptive Kalman algorithm is realized.
主要完成卡尔曼滤波在准连续波雷达数据处理(距离和速度)中算法应用研究,实现一种新型自适应卡尔曼滤波算法。
Obviously, the regular crimp wave provides a mechanism for short-range entanglement of the ratchet type.
虽然,有规则的卷曲波纹能使纤维间短片段内彼此纠缠接触,产生棘轮式。
This paper introduces property and feature of PIC16C711, analyses theory of measure distance by ultrasonic wave, gives hardware circuit and software design of range finder for back a car.
介绍了PIC 16C711的性能和特点,分析了利用超声波测距的原理,给出了应用pic 16 C 711设计汽车倒车测距器的硬件电路和软件设计。
The methods, technology and the applied range of shear wave exploration are summarized.
概述了横波勘探的方法技术及应用范围。
Using the ultrasonic wave detector to probe the flexible range of the extraction tunnel, grasping the rule of deformed tunnel directs the supporting design of the tunnel bolt.
利用超声波探测仪探测回采巷道的松动范围,掌握巷道的变形破坏规律,以此指导巷道的锚杆支护设计。
A now spectral line of 2882.2 A is observed at far UV wave length range.
激光照射水银,在远紫外波长范围观察到一条新的水银谱线,波长为2882.2(?)
The Linear Frequency Modulated Continuous Wave (LFMCW) Radar has high theoretical range precision and can be used for range tracking.
线性调频连续波(LFMCW)雷达在理论上有很高的测距精度,可用于对目标的距离跟踪。
The flow-induced self-sustaining oscillation and standing wave resonance of protruding and trap cavities are studied at the low speed range.
本文研究了低流速范围内突出式和陷落式圆柱形腔的流激自持振荡和驻波共振问题。
Increase of detection range and fast precision tracking are main difficulties in weak aerial target detection for High Frequency Surface Wave Radar (HFSWR).
增大探测距离、快速精确跟踪是高频地波雷达探测飞行小目标所面临的主要困难。
The authors consider that the development of the deltas is related to tidal range, wave conditions, Sediment amount flowing into the bays, bsy volume and unenclosure of sea waters off their gorse.
认为涨、落潮三角洲的发育状况与入湾河流的供沙量、纳潮水域容量、被浪作用、潮差以及口少卜海域的开阔程度有关;
This method researches the echo envelope model which has been simplified in this paper under range wave and time excursion, and can compute the transmitting time more accurately.
该方法研究了幅度起伏和时间漂移条件下回波包络模型,并对模型进行了简化处理,可以更准确地计算超声波渡越时间。
We design several different aperiodic photonic quantum-well (APQW) structures to achieve the filter function in preassigned wave length range.
本文的主要内容是设计几个不同的非周期量子阱来达到预设波段的滤波器功能。
Nanosized iron alloy powders exhibit fantastic properties in magnetism, catalyze, wave absorption, and lead to an even more diverse range of applications.
纳米铁合金粉末在磁性、催化和吸波等方面都展现了优异的特性,具有广泛的应用前景。
Super resolution for target range and azimuth Angle of a novel bistatic HF-Surface Wave Radar (HF-SWR) is investigated.
本文研究了一种新的高频地波超视距雷达目标距离以及方位角超分辨问题。
So it is an important direction that non-atmosphere window millimeter wave short range radar is applied in the fuse.
所以将非大气窗口毫米波近程雷达应用于引信是一个十分重要的方向。
Iron nanoparticles exhibit fantastic properties in magnetism, catalyze, and wave absorption, and lead to an even more diverse range of applications.
纳米铁颗粒在磁性、催化和吸波等方面都展现了优异的特性,具有广阔的应用前景。
Iron nanoparticles exhibit fantastic properties in magnetism, catalyze, and wave absorption, and lead to an even more diverse range of applications.
纳米铁颗粒在磁性、催化和吸波等方面都展现了优异的特性,具有广阔的应用前景。
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