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- Optimum Wave Band Selection 波段优选
- Radio2 can be heard on the long wave band. 第二广播电台可在长波段收听到。
- Radio 2 can be heard on the long wave band. 第二广播电台可在长波段收听到。
- The operational concept, sighting direction and scanning way, band selection and system structure are described. 论述了它的工作原理、视向与扫描方式、频段选择和总体构形。
- Folded waveguide TWTs have extreme good developing future in shortcentimeter wave and millimeter wave band. 折叠波导行波管在短厘米波段和毫米波段具有极好的发展前景。
- A Study on the Si Color Sensor with Double PN Junction for Panchromatic Wave Band[J]. 引用该论文 韦冬青;陈炳若;钟茗;李云虎;杨雨佳.
- Therefore, under the guidance of more proper mathematical models, solving the problem of optimal band selection by observing some criterions. 因而需要在更合理的数学模型的指导下,按照一定的准则,来决定最佳波段的选择问题。
- To begin with, we recite some band selection methods developed by other researchers, comprising content-based methods and separability-based methods. 首先,我们叙述了几种常用的波段选择方法,包括基于信息量的波段选择方法和基于类别可分性的波段选择方法;
- With HTS Josephson junction as the mixing element, 50th harmonic frequency mixing at 3mm wave band is obtained on the system. 在该系统上成功实现了高温超导混频器在3毫米波段的50次谐波混频。
- This article firstly advances the designing of a wide wave band polarization rotator by using Polarization Interference Filter. 首次提出了基于偏振干涉滤光片设计方法的宽波带偏振方向旋转器。
- Noise and background clutter are inhibited by frequency band selection carried out by multi-resolution analysis based on orthogonal wavelet decomposition. 摘要采用基于正交小波分解的多分辨率分析实现频带选择,抑制噪声和背景杂波;
- An Optimum Design of Waveguide Six-port Circuit at 3 cm Wave Band 三厘米波段波导型六端口电路的一种最佳设计
- With the application of many infrared detection systems, the wave band choice become especially pressing, which is very important for tracking and detecting performance. 随着大量红外探测系统的使用,波段选择显得尤其迫切,它对跟踪探测能力具有极为重要的影响。
- In millimeter wave band, the accurate expression of coherent scattering field in limited rain medium is (The equation is abbreviated) which has the obvious physical significance. 摘要导出了有限大小离散介质中毫米波段相干散射场的准确表达式,即(方程式略)此式具有明确的物理意义;
- Selecting the wave band, irradiation illumination and irradiation time, studies on the effects of infrared irradiation on immunity of musmus-culus are carried out. 研究了不同波段、不同辐照度、不同辐射时间的红外辐射对小白鼠免疫功能的影响。
- Harmonic mixing at sub-mm wave band has been studied on two different HTS mixing systems:one is mounted on pulse tube cryocooler, the other is G-M cryocooler. 我们分别选用了小型脉冲管制冷机以及小型G-M制冷机设计了高温超导混频测量系统,对亚毫米波段谐波混频进行了实验研究。
- This work presents an innovative design and fabrication of phononic crystals integrated with two sets of interdigital (IDT) electrodes for frequency band selection of surface acoustic waves (SAW). 本文旨在使用新颖方法,设计并将微米级的周期性介电质结构(声子晶体)与一组叉指状电极表面声波元件整合制程,电磁波通过声子晶体时由于反射波对入射波造成干涉,发生所谓的频沟现象,阻挡在某些频率振荡之电磁波通过。
- Abstract: Selecting the wave band, irradiation illumination and irradiation time, studies on the effects of infrared irradiation on immunity of musmus-culus are carried out. 摘 要: 研究了不同波段、不同辐照度、不同辐射时间的红外辐射对小白鼠免疫功能的影响。
- A gyrotron oscillator employing the hybrid interaction scheme can realize highly efficient, high-power output and broadband continuous magnetic tuning in millimeter wave band. 利用该复合互作用工作原理,回旋管振荡器可实现毫米波电磁辐射源的高效率、高功率输出及宽频带连续磁调谐。
- At last,the OIF is the best method of optimal bands selection in multispectral remote sensing data. 通过试验,说明了各种计算方法的有效性和局限性,最后得出OIF指数法为多光谱遥感数据最佳波段选择的最优方法。