諧振范圍 的英文怎麼說
中文拼音 [xiézhènfànwéi]
諧振范圍
英文
resonance range- 諧 : Ⅰ形容詞1 (和諧) in harmony; in accord; in tune 2 (詼諧) humorous Ⅱ動詞(商量好; 辦妥) come t...
- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 范 : 名詞1 [書面語] (模子) pattern; mould; matrix 2 (模範; 榜樣) model; example 3 (范圍) boundar...
- 圍 : Ⅰ動詞1 (四周攔擋起來 使裡外不通; 環繞) enclose; surround; corral 2 (繞; 裹) wrap Ⅱ名詞1 (四...
- 范圍 : scope; limits; extent; boundary; confines; range; range dimension; spectrum
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The main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network
它具有體積小、重量輕;無鐵芯、不存在磁飽和與鐵磁諧振問題;動態響應范圍大,頻率響應寬;抗電磁干擾性能強;無油化結構、絕緣可靠、價格低等優點;是未來電流互感器發展的方向,是新一代電力數字網發展的需要,適應電力計量和保護數字化、微機化和自動化發展的潮流。The other circuit is designed to resonate close to the desired frequency.
把另一線圈設計成在所有要求的頻率范圍內可與之諧振。The device has more advantage than traditional adjustable ac high voltage design. it adopts adjustable method to make adjustable series resonance even easier and the change extend of tested much wider. it is fit to test the majority of electricity system design
該裝置與傳統的調感式交流高電壓裝置相比具有更多優點,採用調頻方法使調節諧振更容易,被試品的變化范圍可以更大,適合大多數電力系統裝置的試驗。On account of the low q - factor and small tuning range of the p - n junction varactor, the inversion - mode mos varactor is used in the lc voltage controlled oscillator in this thesis. the simulation results show that the designed lc voltage controlled oscillator has 15 % tuning range
3 .由於lc壓控振蕩器中的pn結變容管品質因數低、調諧范圍小,本次設計的lc壓控振蕩器採用了強反型mos變容管,模擬結果表明,所設計的lc壓控振蕩器具有15 %調諧范圍。During the resonance adjustment, the sound pressure distribution, levitation force and sample positions vary symmetrically with respect to the resonant state, and the allowed adjusting range of the reflector - emitter spacing is only the order of 0. 005 / 1
聲場調諧過程中,聲壓分佈、摘要懸浮力和樣品位置等在諧振狀態兩側基本呈對稱性變化。懸浮樣品所允許的反射端一發射端間距調節范圍只有0 . 005兄量級。Continuous - wave optical parametric oscillators ( cw opos ) are an attractive source of coherent radiation in applications for which laser sources are unavailable or for which wide tunablity is needed, cw opos have remarkable features of operating with narrow linewidth and broad tunablity
連續波光學參量振蕩器( cwopos )可以用來拓寬激光的波長范圍,有較寬的調諧區域,是一種理想的產生相干輻射的裝置。由於它的窄線寬和寬調諧的輸出特性,也被用於光譜學、相干光通訊、量子光學等領域。By compared with the simulation results and the experiment results, we come to the conclusions that : ( 1 ) circuit with assistant network can widen soft - switching extent in lagging arm, reduces duty - cycle loss on the secondary, diminishes switching dissipation of inverter spot - welding power source. ( 2 ) the range of resonant capacitor, the important factor to soft - switching process, not only affects zero - voltage turn - off of power switches, but also affects the range of zero - voltage turn - on of power switches. so resonant capacitors must be considered according to many aspects ; ( 3 ) it easily fulfils soft - switching condition in lagging arm as leakage inductance of power transformer increases, but bigger leakage inductance of power transformer increases opening dissipation of transformer and decreases efficiency of soft - switching inverter power source
通過模擬結果與軟開關點焊逆變器試驗結果的對比分析,得到了如下主要結論:採用輔助網路可以完全拓寬全橋軟開關逆變器的滯后橋臂軟開關范圍,減小了次級占空比丟失,降低了逆變電阻點焊電源的開關損耗;諧振電容是影響軟開關工作狀態的重要因素,其大小不僅影響開關管的零電壓關斷,同時也影響開關管的零電壓開通范圍,因此,諧振電容應該綜合考慮;功率變壓器漏感越大,越容易滿足滯后橋臂的軟開關條件,但是大的漏感也使變壓器的通態損耗增加,降低了軟開關逆變器的效率。For the former has inductance winding and ferromagnetic material, its measurement range is restricted by saturation, so it has a narrower range of frequency. being an inductance, it has the possibility of resonance
由於電磁式電壓互感器帶有電感線圈和磁性材料,測量范圍受鐵心磁飽和的限制,傳輸頻帶不夠寬;作為感性元件,存在鐵磁諧振的可能,可靠性差。In chapter 3, we studied the effect of gaussian transverse profile for the driving and laser fields on lasing without population inversion ( lwi ) in a closed v - type system and an open v - type system. moreover, we discussed also the effect of the unsaturated gain coefficient, the cavity - damping rate, the ratio of the atomic injection rates and atomic exit rate on the corresponding systems. in chapter 4, we mainly discussed the effect of doppler broadening on the gain, dispersion and the frequency up - conversion of the open v - type lwi system and compared the differences and the same between the open system and the corresponding closed system
發現: ( 1 )在考慮doppler展寬的情況下,通過選取合適的實驗室條件(比如合適的原子環境溫度等)可得到合適doppler展寬值,從而使系統獲得最佳增益; ( 2 )要想實現系統的頻率上轉換,同時又要獲得足夠強的無反轉激光增益,則系統頻率轉換比不能選取的太大; ( 3 )對于開放系統,比較小的粒子注入速率比與退出速率對產生無反轉激光是有利碩士學位論文摘要的: ( 4 )由於dopp1oy展寬的存在,當探測場與驅動場的傳播方向相反時,增益在探測場失諧的某一段區域產生振蕩,且振蕩的振幅、頻率失諧范圍的大小與dopper展寬的取值有關。The simulation shows that, under inductor self - resonant frequency ( serf ), substrate loss is mainly caused by eddy current loss
模擬驗證表明,在自諧振頻率( self - resonantfrequency )范圍內片上集成電感襯底損耗主要是渦流損耗。The system can generate sweep frequency signal with frequency range from 100khz to 150mhz and power range from - 40dbm to + 18dbm, and measure the gain and phase of the crystal. according to the gain and phase information and the iec - 444 standard, crystal parameters can be calculated, such as nominal frequency, series resistance, shunt capacitance, motion capacitance, motion inductance, q factor and so on
該系統能產生頻率范圍達100khz 150mhz ,功率范圍為? 40dbm + 18dbm的掃頻信號,並能對晶振的增益和相位差進行測量,其測量結果按照iec - 444晶振測量標準進行實時處理和計算,從而得到晶振的串聯諧振頻率、並聯諧振頻率、等效電阻、靜態電容、動態電容、動態電感和品質因數等主要電參數。According to the research of the converter s transient operation, the thesis presents the design of the resonant parameters and the dead - time setting range of the converters lead leg and lag leg, and i is confirmed by simulation
論文在對變換器暫態工作過程研究的基礎上,給出了軟開關諧振參數設計和變換器超前橋臂、滯后橋臂的死區時間設置范圍,模擬驗證了設計的有效。There are many optical depletion mechanisms, such as diffraction depletion, the transimission of a reflector, scattering of the medium in the cavity, non - life absorption and so on, so the quality factor ( q factor ) is low. in
利用這種微諧振腔製作的激光器,其自發輻射頻率落在光子晶體的禁帶范圍內,有效降低了激光振蕩的閾值,從而使激光器具有低閾值高效的特點。( 4 ) based on module theory, the operation state analysis of voltage - feed zcs buck converter has been simplified and the time - discrete mathematic modeling of dcm mode has been setup. ( 5 ) the stability operation parameter range has been decided according to the stability criterion, and the analysis of influent of resonance inductance and capacitance to converter ’ s chaos character is carried out
( 5 )根據系統穩定性判據確定了穩定工作區域,得出主要元件參數的穩定工作范圍,設計了電壓反饋控制buck變換器的模擬電路並根據模擬結果分析了諧振元件的加入對于變換器運行穩定性和混沌特性的影響。( 3 ) in order to be suitable for the secrecy of control system, convenient for debugging the control system and make the control system be applied to capacitance, inductance and phase - shifting controlled ozonier, the control system of the ozonier power is based on cpld / fpga chip is presented. ( 4 ) the paper analyzes the shortage of routine inductor designing methods which are used to design intermediate frequency, high voltage resonance reactor, puts forth an iterative method to prevent the problem
( 3 )為解決大功率諧振電抗器的設計困難一直是大功率諧振電源的難點,本文在電抗器常用的ap設計法的基礎上,提出了一種迭代設計方法,這種方法同時考慮氣隙長度范圍和氣隙磁通邊緣效應因數,根據所需電感值來求解滿足要求的鐵芯規格和線圈匝數,不必對電感器的匝數進行修正。Compared with quasi - resonant, it can reduced transistor voltage stress and improved load range and stability in low frequency range. because of the structure of three - level, transistor voltage stress and filter can be reduced significantly
與傳統的準諧振變換器相比,該變換器功率器件的電壓應力大大降低,在很窄的開關頻率變化范圍內實現寬負載范圍的軟開關。Measurement method for dielectric properties of fine ceramics in millimeter wave frequency range - part 2 : open resonator method
毫米波頻率范圍內精細陶瓷介電性能的測量方法.第2部分:開啟式諧振腔法Measurement method for dielectric properties of fine ceramics in millimeter wave frequency range - part 3 : dielectric resonator method excited by nrd - guide
毫米波頻率范圍內精細陶瓷介電性能的測量方法.第3部分: nrd導向激發的介電諧振器法The voltage - controlled oscillator and the dual - modulus prescaler are the most crucial blocks in the pll frequency synthesizer. two kinds of voltage - controlled oscillator ( the quadrature voltage - controlled oscillator based on symmetrical spiral inductors and differential varactors, and the voltage - controlled oscillator with wide tuning range based on mos varactors ) and two kinds of prescaler ( the prescaler using phase - switching techniques, and the prescaler using dynamic circuit techniques ) are proposed. then, the complete pll frequency synthesizer is implemented, in which
壓控振蕩器和雙模預分頻器是鎖相環型頻率合成器中最關鍵的兩個模塊,本論文分別實現了兩種類型的壓控振蕩器(採用對稱螺旋型電感和差分二極體型容抗管的正交壓控振蕩器和使用mos型容抗管的大調諧范圍壓控振蕩器)和兩種類型的雙模預分頻器(使用相位開關技術的雙模預分頻器和使用動態電路技術的雙模預分頻器) 。2. the vco ’ s topology is presented according to the conditions of low voltage - supply, low power consumption, low phase noise and large tuning range
2 .以低壓、低功耗、低相位噪聲和較大調諧范圍為原則完成壓控振蕩器的電路結構設計。分享友人