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- But since then, detector sensitivity has improved 1,000- fold, and instrument builders expect soon to wring out another factor of 1,000. 即使是當時最佳儀器的靈敏度,與測得假定的暗粒子所需的靈敏度相比,僅及1/1000。
- The essential blocks of the synthesizer, the prescaler, the phase detector, the chargepump, and the voltagecontrolled oscillator were presented. 提出了合成器的基本模塊,包括預分頻器,鑒相器,充電泵和壓控振蕩器。
- The BG34 filter, for example, reduces the intensity of light at600 nm from a tungsten halogen bulb while transmitting all of the light at the blue and red regions, where detector sensitivity is lower. 例如,BG34濾光片可以將鎢燈發出的600微米波長的光的強度降低,而讓藍光和紅光區域的光通過,探測器在這些區域的靈敏度較低。
- In this scheme,the synthesizer contains a low-noise phase detector to achieve the performance of low phase noise and low spur level. 本方案採用了低底噪鑒相器,實現低相噪和低雜散指標。
- Its coder phase detector is proved for lts normal operation during drum imitation test and signal of coder works with no errors. 在模擬鑽機滾筒振動試驗中,驗證了設計的鑒相電路工作正常,編碼器測量信號未發生誤計數現象。
- Analysis of the Optical Smoke Detector Sensitivity 光學煙霧探測器靈敏度研究
- This thesis presents a circuit architecture to realize clock recovery for fast Ethernet application, including system architecture, modified Mueller Muller algorithm for 100BASE-TX, phase detector for 100BASE-FX and multiple output charge pump PLL. 提出了一種快速乙太網卡晶元時鐘恢複電路的設計 ,包括體系結構、用於 10 0BASE tx的改進MuellerMuller演算法、用於 10 0BASE FX的鑒相器以及產生多相時鐘的電荷泵鎖相環。
- This paper analyses survey principle of 1532 dielectric log tool,and analyses circuit amplitude detector and phase detector in 1532 dielectric log tool. This paper focuses on dual gate MOSFET and photocoupler for AGC,SCI and FB for noise reduction. 文章介紹 15 32型介電測井儀的測量原理 ,並分析了 15 32型介電測井儀的幅度測量系統和相位測量電路 ,以及用於自動增益控制 (AGC)的雙柵極場效應管和光耦合器 ,以及用於抑制雜訊的穿心電容器和鐵氧體磁珠
- The system s transfer function is analyzed, especially the one of the filter which is connected between VFD and the phase detector, and it should be established on the group delay concept. 根據功能,認為變頻器輸出電壓濾波器的傳遞函數需要使用群時延概念,為更精確地分析這類問題提供了依據。
- The mathematic module of the PLL was built and the sub-circuit such as Phase Detector(PD),Charge Pump(CP),Loop Filter(LF) and Voltage Control Oscillator(VCO) was designed cautiously. 主要包括:研究了該鎖相環系統建模,完成了鑒相器(PD)、電荷泵(CP)、環路濾波器(LF)以及壓控振蕩器(VCO)子電路設計。
- At visible wavelengths the ring shows up clearly enough, but it is invisible to a detector sensitive to infrared light. 在視光範圍內,光環清晰可見,而在不可見光波段,靈敏的探測器可以觀測到它的紅外線光。
- Design of Power Frequency Digital Phase Detector 工頻數字式相位檢測儀的設計
- frequency multiplier and phase detector 倍頻鑒相
- We provide RF assemble as well, including power splitters, amplifiers, phase detectors, attenuators, synthesizers, multiplexer and radar receiver subassemblies for RF application. 射頻組件包括功分器,放大器,鑒相器,衰減器,頻綜,倍頻組件,雷達接收組件等。
- In chapter two, design considerations of DLL are introduced. Some commonly used circuits of the phase detectors, charge pump, and voltage-controlled delay cells are classified. 在第二章中,延遲鎖定迴路的設計考量將會被提出。一些常用的相位偵測器、充放電泵及電壓控制延遲單元電路也將分類說明。
- Equivalent Energetic-spectrum Method for Digital X-ray Detector Sensitivity Correction 射線數字探測器靈敏度校正的等效能譜法
- The child is going through a difficult phase. 那孩子正經歷困難的階段。
- High precision digital phase detector based on inner product theory 基於矢量內積法的高精度數字相位差計
- The two sets of traffic lights were out of phase. 那兩組交通燈不同步。
- New Phase Detector with Fast Response and Without Ripple 具有快速響應和無紋波輸出的新型相位檢測器