rf current 中文意思是什麼
rf current
解釋
射頻電流-
The button electrode is one that widely used in high energy rf accelerators, such as storage ring, and the bpm made of button electrodes has many merits like high accuracy, high resolution, resisting magnetic field, simple machinery, without magnetic core and low cost, etc. so we want to use the button electrode as the bpm in high current accelerators like the lia
鈕扣電極束位置探測器是一種廣泛應用於射頻加速器儲存環等高能弱流加速器的一種束位置測量裝置，它具有測量精度高、解析度高、不受磁場干擾、機械結構簡單、無磁芯、造價低廉等特點。只是，至今未見有關這種束位置探測器在強流加速器（如，直線感應加速器）上應用的報導，如能將鈕扣電極束位置探測器應用於lia ，將是一件很有意義的事情。 -
Multifunction of testing voltage value, current value, rf value and transient current strength
多用途測試電壓值，電流值，射頻值及瞬變電流強度等。 -
( 3 ) chapter v. plasma characteristics of rf ion source is investigated. a zero - dimensional numerical dynamic colisional radiative atomic and molecular ( cram ) model is suggested to simulate the microphysical process. all species " population number densities in plasma are calculated in non - thermodynamics equilibrium condition, and proton content in extracted ion current are measured with 60 ? magnetic analyzer
（ 3 ）提出了高頻離子源等離子體的零維cram模型（ collisionalradiativeatomicandmolecularmodel ） ，計算了非平衡態（ nte ）下等離子體中分子、電子、離子、基態原子、激發態原子等粒子濃度，並在zf - 200kev中子發生器上，用60磁分析器實驗測定了引出束流的質子比。 -
Many approaches have been proposed to achieve better rf / microwave performance of passive elements on low - r si substrates. the use of high - resistivity ( > 3000q. c / ? silicon substrate is suggested to mimic the low - loss semi - insulating gaas substrate, but this is an uncommon option for current silicon substrate
然而，由於低阻硅襯底的高頻損耗，在射頻微波應用中，要在低阻硅襯底上實現高q值的無源器件，尤其是電感，是相當困難的。 -
The theory of digital receiver working with software radio is fully developed, however, limited by the current technical level, it is difficult to realize rf signal digitalization. thus, the prevalent choice is if signal digitalization
基於軟體無線電思想的數字化接收機理論已經相當成熟，但由於受到硬體器件發展的約束，直接對射頻信號采樣處理面臨著很大困難，因此目前通常採用中頻數字化接收方案。 -
In this paper, a novel expression is presented for substrate eddy current loss on si - based monolithic spiral inductor, and the traditional model which has integrated inductor on rf cmos chips had been simplified
論文提出了一種表徵集成電感襯底渦流損耗的解析模型，進而簡化了傳統電感集總參數模型。 -
Abstract : this paper describes the thermal effects of a coaxial rf - excitedco2 laser ， based on the balance equations of electron density and energy ， current continuity equation ， and heat conduction equation. depende ncies of the spatial distributions of gas temperature on some discharge parameters arediscussed
文摘:通過求解放電等離子體中的帶電粒子密度和能量的平衡方程、電流連續性方程以及熱傳導方程，研究了同軸射頻（ rf ）激勵co2激光器中放電混合氣體的溫度效應，分析了有關放電參數對溫度分佈的影響。 -
The first chapter, introduce the rf receiver ’ s devolop and current situation. the second chapter, introduce the effect of the exterior environment to the rf receiver. the third chapter introduce some different structure and the design parameters of each structures. the parameters of the rf receiver are introduce in fourth chapter. the fifth chapter design a s band rf receiver. this s band rf receiver use a structure of superheterodyne module
第五章，介紹了一種s波段射頻接收前端的設計，基於分析的結果對一種射頻接收機的低噪放大、下變頻、鎖相環（ pll ）頻率合成器、中頻agc電路進行了設計，並在第六章完成了接收機各組件及總體的測試。 -
In the second chapter, we discuss some properties of chaos in a rf - current biased josephson junction with linear and quadratic damping respectively
第二章討論了線性阻尼和平方阻尼下的josephson結中的混沌問題。 -
Core losses are caused by an alternating magnetic field in the core material, thie losses are a function of the operating frequency and the total magnetic flux swing, the total core losses are made up of three main components, hysteresis eddy current and residuallosses, these losses vary considerably from one magnetic material to a - nother, applications such as higher power and hither frequency switching regulators and rf designs require careful core selection to yield the highestinductor perfor - mance by keeping the core losses to a minimum
鐵損是由於在鐵芯中的變更磁場院所造成，這個損失與操作頻率及總流動的磁通量有關，總鐵損由三個成份組成，磁滯損，過流損及殘留損，這些損失因磁性材料不同而異，在如高功率切換調整器和rf的設計需要小心選擇鐵芯種類以降低鐵損使電感的表現最佳。 -
Considering the unsymmetrical distribution of interface states induced by hot - carrier effects along the channel, the quasi - two - dimensional analysis methods are used to deduced the drain current, threshold voltage and electrical field in channel after hot - carrier degradation and the theoretical results are fully verified with the experimental data and m1ntmos6. 0 simulation output. the degradations of device output conductance, subthreshold conduction and rf characteristics are also analyzed
針對mos器件熱載流子退化所引入的界面態，根據其沿溝道非均勻分佈的模型，採用準二維分析方法對退化后器件的漏源電流、閾值電壓和飽和區溝道電場作了詳細的理論推導，並與實驗結果和器件二維數值模擬軟體minimos6 . 0的計算結果進行了驗證比較。 -
First, we extended the liberman model of collisionless rf sheath. taking into account elastic collisions and charge - exchange collisions between ions and neutral particles, we established a self - consistent model describing the dynamics of rf sheath driven by a sinusoidal current source. the effects of collisions and rf - biased source power on the instantaneous thickness of the rf sheath and the sheath electric fields were studied
首先將liberman的無碰撞射頻鞘層模型進行推廣，考慮了離子與中性粒子的電荷交換碰撞效應，建立了描述碰撞射頻等離子體鞘層動力學特性的自洽模型，研究了碰撞效應，射頻偏壓，電源參數等對射頻鞘層的瞬時厚度及電場分佈的影響。 -
Multifunction of testing voltage value, current value, rf value and transient current strength. it also acts as soldering station with option soldering pen
多用途測試電壓值，電流值，射頻值及瞬變電流強度等外，並設置焊筆介面，可選購焊筆作為焊臺使用。 -
Mhz cmos dac current - steering 7 - bit 20 mhz cmos dac applied in transmitter of blue - tooth rf circuit
用於藍牙射頻晶元發送通道的電流驅動型7位20
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