Application of microwave power sensor calibration system on K wave band 微波小功率校准系统在K波段的应用
RAF-T1 microwave traffic detector makes full use of the digital radar technique in K wave band and can detect the real-time traffic vol-ume in the whole day. T1型微波交通检测器利用K波段的数字雷达技术进行交通流的实时、全天候检测。
The design of a new kind compact size K band Bandpass Filter 一种新型小型化K波段带通滤波器的设计
K-band MMIC power amplifier K波段单片功率放大器
K& Band Frequency Multiplier Using Step Recovery Diode K波段阶跃恢复二极管高次倍频器
By applying T factor method of hot/ cold noise, at operating temperature 4.2 K, we have obtained the best measured results with Nb-Nb point contact junction: the single side band noise temperature TM-100 K and the Conversion efficiency. 采用冷、热噪声Y因子法,在4.2K的铌结上测得的单边带混频器噪声温度,变频效率。
Our analysis shows that the difference between the ω variations of J ( 1) for the high K multi-quasiparticle bands and for the ground state band is mainly due to the Pauli blocking effects of high j intruder orbitals near the Fermi surface. 分析表明,高K多准粒子带的J(1)随ω的变化与基态带的不同,主要来自高N(j)闯入态的堵塞效应。
A High Performance K Band Broadband Detector 高性能K波段宽频带检波器
Designs for a K μ-Band Miniature MEMS Reconfigurable Antenna Based on Si Substrate Kμ波段硅基MEMS可重构微型天线设计
Treatment of proximal humeral fracture with K-wire and tension band 克氏针钢丝张力带内固定治疗肱骨近端骨折
Uv-Vis test and temperature-change I-V test on F doped silica film, shows that there are intrinsic adsorption and exciton adsorption existed in the film. The energy band structure diagrammatic sketch of the low k material in MOS structure was obtained. 对掺F薄膜进行了Uv-Vis测试和变温的Ⅰ-Ⅴ测试,发现薄膜中存在着本征吸收和激子吸收两种吸收机制,并得到了该低k材料MOS结构样品的能带结构示意图。
K band wideband coaxial-to-waveguide transducer is described, ts VSWR. 本文介绍一种K波段宽频带同轴波导转换器。
Treatment of fractures of olecranon using modified K-wires screws and tension band in 32 cases 改良克氏针螺钉张力带治疗尺骨鹰嘴骨折32例
Band pass filters of PBG ( photonic band-gap) structures were analyzed based on the transmission line theory in this paper, and a novel K band dual-mode band-pass filter was designed and simulated by using this theoretical analysis. 本文应用传输线理论对PBG结构带通滤波器进行分析,并在此基础上仿真、设计一种新颖的K波段的双模带通滤波器。
K Band Silicon Monolithic MEMS Resonator K波段单片硅MEMS谐振器
Prom the results of the near infrared photometry, the bolometric corrections in the K band, the apparent bolometric magnitudes and the effective temperatures can be estimated. 由近红外观测结果估算了其在K波段的热改正BCK和视热星等m(bol)以及有效温度Te。
When hybridized with EBV K probe, a 6.1 Kb band was demonstrated in all the leucocyte DNA samples ( 14/ 14) of NPG. 当与EBV&K片段杂交时,发现14例样品(100%)均在相当于6.1Kb处出现了深浅不一的杂交带。
K Band GaAs FET Harmonic Oscillators Stabilized by Dielectric Resonators K波段介质谐振器稳频GaAsFET谐波振荡器
K band coaxial-to-waveguide transducer K波段宽频带同轴波导转换器
The design of k-band waveguide-planar circuit mixer K&波段波导平面电路混频器的设计
We also set up a transmission and receiving system of K user wide band DS CDMA and study the basis code error property on down link of a satellite mobile communication in the environment of urban, suburban and rural areas. 利用该信道模型对市区、郊区、农村3种环境及不同卫星仰角下多用户宽带DS-CDMA系统的下行链路误码性能进行了研究。
With the widely application of satellite communication, frequency spectrums become more and more crowded. Major developed countries all regard K band and more upper frequencies 'applications as primary content of electrical technology. 随着卫星通信的广泛应用,微波频段可供应用的频谱越来越拥挤,世界各主要发达国家都把K波段以及K以上波段的开辟作为其电子技术发展的主要内容之一。
Based on the theory of transmission line, the input and output couplers of a K band space TWT are designed using CST MWS. 在传输线理论的基础上,利用CSTMWS三维电磁场仿真软件设计出了工作在K波段某型号空间行波管的输入输出耦合结构。
On the basis of that and targets for the project, this paper presents the scheme of S 、 X band and K band frequency synthesizer. After that, all of their indexes have been analyzed in theory to prove the feasibility of the scheme. 在此基础上,结合课题的具体指标,给出了S、X波段和K波段频率源的方案,并在理论上对各个指标进行了分析,论证了方案的可行性。
In this dissertation, adopting the results acquired by the band selection of hyperspectral image based on ACO, the feature bands are extracted as simulation data, and the clustering method experiment is performed. The experiment results are compared with the results of traditional k-means algorithm. 本文依据基于蚁群算法的高光谱图像波段选择方法获得的选择结果,从中提取若干个特征波段作为数据源,采用上述聚类方法进行实验,并与传统的k均值算法比较实验结果。
In the theoretical simulation, the scattering response character of irregular particles is described by using a response band with a floating coefficient K rather than a response curve. 在理论模拟中,用散射响应带描述了实际不规则颗粒的散射响应特性,并用浮动系数k进行了表征。
K band frequency synthesizer has thirteen spots switching by an external TTL serial control signal. K波段频率源为十三个点频,步进100MHz,通过外部三位TTL串行控制信号来控制频率切换。
Overall band structure diagram is obtained by DFT-LDA, and then GW approximation is used to correct band energies for some high symmetric k points to get accurate prediction. 总体的能带结构图是利用DFT-LDA得到,而随后采用GW近似方法对一些高对称k点的能级进行了修正,以期得到准确的预测值。