tuning band

调谐波段

  • Continuous tuning within the range of 1530 nm to 1575 nm was achieved with the grating array replaced by a board band reflective mirror .

    用全反镜替代光栅串,在1530~ 1575nm范围内可对输出波长进行连续 调节

  • The PLL often needs large output tuning range to adapt the requirement of wideband communication so the wide band single / multiple core Voltage-Controlled Oscillator ( VCO ) is often adopted .

    锁相环往往需要有较大的输出 频率范围来适应宽带通信的需求,所以锁相环的核心模块电压控制振荡器一般使用单或多核 宽带 结构

  • Law of different inorganic sheet thickness tuning on the crystal structure band structure exciton binding energy optical and optoelectronic properties of the hybrid perovskite materials were systematic analyzed .

    系统的分析了不同无机片层厚度,对杂化钙钛矿材料晶体结构、 结构、激子结合能、光学以及光电性能的 调控规律。

  • By comparing the shortcomings and advantages of several design schemes on tunable filters the optimum design scheme was designed for switching capacitor array of a tuning capacitor band pass filter .

    对比了几种可调滤波器的设计方案优缺点,优选出PIN开关电容阵列 调节电容 通滤波器的最佳设计方案。

  • By numerical method the mechanism of optical pulse compression within the stop band of a fiber grating was demonstrated to be the process of energy storing and tuning out of the stop band .

    研究了非线性光纤光栅在禁带内对光脉冲的压缩机制,结果表明这是一介储能- 调出 禁带的过程。

  • Analysis and Development of the Bi - tuning VCO in Ka - band

    Ka 波段调谐VCO的分析和研制

  • A varactor is used to tune the frequency of the VCO and optimization is processed to get broad tuning band .

    VCO采用变容二极管进行并联电调谐,并优化电路以获取较宽的 调谐 频带

  • Tuning of the Band Lineups Type of the Quaternary Mixed Crystal InGaAsP Quantum Wells by the Variational Concentration

    四元混晶 InGaAsP应变量子阱在组分 调制下的 转型

  • It is proved that the Fabry-P é rot tunable liquid crystal filter has great tuning range and narrow band .

    理论模拟证明法布里珀罗腔液晶可调谐滤波器具有 调谐范围大、 宽窄的优点。

  • A new tuning method of coupling resonator band pass filter in time domain ;

    并应用该 放大器构成绝对值电路和 通滤波器两种 功能模块。

  • 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

  • Experimental Research of CW Ti : Sapphire Laser Tuning at Long-Wave Band

    连续钛宝石激光器长 波段 调谐的实验研究

  • Tuning the Band Gap Energy in Organic – Inorganic Hybrids Based on Bismuth Iodides Semiconductors

    碘化铋基无机-有机杂化材料的 调控

  • A new method of putting metal-ridge into substrates and putting H-shaped tuning stub on the patch to increase band was proposed .

    提出了在介质基板间加入金属脊和在贴片上加H形 调谐 枝节的新方法。

  • The VCO tuning range is about 32 % of the 1.9 GHz center frequency and the phase noise of single side band is 85 dBc / Hz at 10 kHz .

    测试结果表明:该压控振荡器工作在中心频率为1.9GHz时,单边 相位噪声为 -85dBc/10kHz调谐范围达到32%。