rf impedance 中文意思是什麼

rf impedance 解釋
射頻阻抗
  • rf : 1 radio frequency 射頻，無線電頻率。2 range finder 【攝，軍】（測定目標距離的）測距計，光學測距儀...
  • impedance : n. 【物理學】阻抗。 acoustic impedance聲阻抗。
  1. Verification scheme of rf impedance measuring instruments

    射頻阻抗計量器具檢定系統
  2. Rf - connections, characteristic impedance 50 ; survey

    特性阻抗歐姆的射頻連接件.一般說明
  3. Based on it, a new kind of helix slow - wave structure named elliptical helix slow - wave structure used in helix traveling wave tubes has been detailedly investigated. by studying the rf characteristics of this slow - wave structure, it ’ s found that higher operation frequency and interaction impedance will be obtained by increasing the eccentricity of helix or decreasing it of the shield. meanwhile, great potential of improving system bandwidth has also been found if the eccentricity of helix or shield or the two are properly choosed

    本文對近幾十年大功率行波管的研究進展進行了簡單討論，並在此基礎上研究了一種可應用於螺旋線行波管的新型的螺旋線慢波結構，即橢圓螺旋線慢波結構，通過對該螺旋線高頻特性進行詳細分析，我們初步認為，選擇適當的螺旋線和屏蔽筒離心率，可以提高系統工作頻率，增加系統耦合阻抗，並且具有改善系統帶寬的潛力。
  4. According to the eer theory, using the amplified envelope signal as the power supply of the class - d amplifier, the envelope will modulate the magnitude of the rf signal. the modulated impulse rf signal is added to the impedance match circuit, so the amplified am signal is achieved

    將放大的包絡信號作為class - d載頻放大器的電源，根據eer原理， class - d載頻放大器輸出載頻信號的幅度將受到包絡信號的線性調制，達到同時實現對載頻信號的放大和am調制的目的。
  5. Research of the impedance matching in the rf power for the co2 lasers

    射頻電源中的阻抗匹配研究
  6. Diode switches or voltage controlled varactors implement dual - band resonators such that they can offer low impedance at the second harmonic of each frequency band, while, in some cases, presenting high impedance at the fundamental frequency as an rf choke circuit

    利用二極體開關或電壓控制變容器實施雙頻共振器以提供在雙頻操作中每一個頻段之二階諧波的低阻抗，同時在一些實施例里也提供主頻段的高阻抗、兼具有射頻阻塞電路作用。
  7. As a result, switching configurations for rf signals are designed to minimize signal losses and maintain a characteristic impedance through the system

    因此，射頻信號的切換配置被設計為使信號損耗降至最低，並維持系統的特徵阻抗。
  8. The research on the rf characteristics of the conductor - centered helical groove sws. ( a ) in the " cold " system, we found that the changing of depth of the groove has no distinct effects on the phase velocity at the lower frequency region ; but with the increasing of the frequency, the phase velocity and bandwidth are reduced slightly, the structure is more dispersive and the coupling impedance is enhanced

    對具有中心導體軸的矩形螺旋槽慢波系統的高頻特性進行了理論研究： （ 1 ）在冷系統中的研究結果表明：頻率較低時，槽深的改變對相速的影響不是很大，隨著頻率的增大相速略有減小，同時帶寬也有所減小，色散變得稍強，耦合阻抗增大。
  9. 0. 039in. 50 radio - frequency connectors - part 31 : rf coaxial connectors with inner diameter of outer conductor 1, 0 mm 0, 039 in with screw coupling - characteristic impedance 50 ohms type 1, 0

    射頻連接器.第31部分:帶有螺套式聯接器和內徑1 . 0mm
  10. The on - chip impedance matching is implemented in rf front - end, which simplifies the complexity of wlan systems and reduces the cost

    而且，這些射頻模塊都實現了在片阻抗匹配功能，可以降低無線局域網系統的復雜性和成本。
  11. Calibration specification for rf impedance material analyzers

    射頻阻抗材料分析儀校準規范
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