放大頻率 的英文怎麼說
中文拼音 [fàngdàbīnlǜ]
放大頻率
英文
amplification frequency-
Simulations of gain and aberrance are done to study the amplification of pulse signal with a frequency of 0. 25mhz
對頻率為0 . 25mhz的脈沖信號放大進行了模擬,分析了其增益和脈沖畸變隨放大參量的變化情況。Amplifier self-oscillates at a frequency depending on the velocity of the fluid.
放大器自激振蕩的頻率就取決于流體的速度。There is a great deal of demand in modern electronics, however, for bandpass amplifiers.
然而近代電子學對調諧的頻率范圍很寬的帶通放大器提出很多要求。Purpose : audio frequency power amplifier applications
用途:用於音頻功率放大。The power of the modulated carrier wave is increased by the rf power amplifier
射頻功率放大器增加了調變載波的功率。A building of high, the breadth, long comparison is very important. house for combination in an ideal of big set, reruns hour then contain the best frequency to respond to the width. frequency response range in other words, the combination can broadcast tallest to can also fully develop to the lowest frequency, and the equilibrium degree is as well high, and halt a circumstance is very tiny. the first glint wave primary reflection mutual interference for with wave secondary reflection of many glints the degree is not to result in confusion. combination that fundermental the diapason wave harmonics is again perfect
大套組合在一間理想的房子里,重播時便有最佳的頻率響應寬度frequency response range 。換句話說,組合所能播放的最高至最低頻率也可以盡情發揮,平衡度亦高,駐波情況極微。第一反射音波primary reflection和多次反射音波secondary reflection的互相干擾情度不至造成混亂。The brief name ring, measures a device right high, inside, low and each segment scope for ability for even emersion of signal, pointing lowestly validity returning putting the frequency with tallestly validity returning put of the frequencying. request towards device rang contain both side, on is a scoping as far as possible breadth, can be namely frequency bottom that replay the is as far as possible low, and the upper limit is as far as possible high ; two is a frequency scope the inside is at all point to respond to as far as possible flat, avoided to appeared the big motion
簡稱頻響,衡量一件器材對高中低各頻段信號均勻再現的能力,指最低有效回放頻率與最高有效回放頻率之間的范圍。對器材頻響的要求有兩方面,一是范圍盡量寬,即能夠重播的頻率下限盡量低,上限盡量高二是頻率范圍內各點的響應盡量平坦,避免出現過大的波動。By likening a capacitor to a storage tank and an induction coil to a coil spring, tesla realized that a properly configured circuit could amplify electrical signals and raise them to ever higher frequencies and voltages
將電容比擬為儲存槽,感應線圈比擬為彈簧,使特士拉理解到,適當的組裝電路可以將電流訊號放大,並且增加它的頻率及電壓。Semiconductor, diodes, bipolar junction transistors, field - effect transistors, transistor amplifiers, frequency response, operational amplifiers, differential and multistage amplifiers, integrated circuits
半導體、二極體、雙極電晶體、場效電晶體、電晶體放大器、頻率響應、算放大器、差動及多極放大器、積體電路。When both oscillatory stretch and the pace maker discharge occur at approximately the same rate, they synchronize.
當振蕩式牽張和起搏點放電的頻率大體一致時,它們就同步化。The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward
介紹了限制寬帶放大器頻帶寬度的因素,通過分析mosfet的本徵參數、寄生參數對頻率特性的影響,提出了採用短溝器件、使mosfet工作在飽和區、抬高柵源電壓等提高mosfet特徵頻率的方法;分析了不同電路組態對放大器頻率特性的影響、節點電壓對電壓模電路、電流模電路頻率特性的不同影響,根據應用於雙極晶體管電路的跨導線性原理,提出了採用mosfet構成的電流模放大電路、電流傳輸電路、輸出電路以及由它們所組成的寬帶放大器,獲得了良好的頻率響應。Supervisor point is behind the postposition of power amplifier, optic signals coming from a tap of 99 : 1 enter into optic spectrum scan module, then the power levels which have been calculated by iterative algorithmic are sent to power control module to guide a set of tunable electronic attenuators
此方案將監測點放在後置功率放大器的後面,從分束器中分出99 : 1的光進入光頻譜掃描模塊,傳給功率控制模塊的光功率值經過選代演算法后計算出均衡后的功率值送到功率控制模塊的控制中心去調節電可調節衰減器。The development of an electrosurgical apparatus with puls e width control
一種脈寬控制的高頻電刀功率放大器的研製Our previous studies demonstrated that agmatine not only reduced the amplitude of action potential ( apa ), maximal rate of depolarization ( vmax ), velocity of diastolic ( phase 4 ) depolarization ( vdd ), and rate of pacemaker firing ( rpf ), but also prolonged 90 % duration of action potential ( apd90 ) in a concentration - dependent manner
我們先前的實驗證明,胍了胺可劑量依賴性地抑制兔竇房結起搏細胞的0相最大上升速度( v _ ( max ) ) ,動作電位幅度( apa )和舒張期除極化速度( vdd ) ,起搏細胞放電頻率( rpf ) ,而且能延長90動作電位時程( apd _ ( 90 ) ) 。In wavelength conversion based on four - wave mixing ( fwm ) in soa, balance efficiency can be obtained in larger range when increasing saturation power of the optical amplifier and decreasing the saturation power of spectral hole burning and carrier heating
而在基於soa的四波混頻( fwm )波長轉換中,在提高光放大器飽和功率的同時減小光譜燒孔( shb )和載流子加熱( ch )飽和功率可有效提高較大頻率間隔處的轉換效率,並保持其在較大頻率失諧范圍內的效率均衡。This isi series oscillation has following characters : ( 1 ) long term cycle duration, whose duration of most oscillations ranged from 3 0 - 120ms, so we called it slow wave oscillation ; ( 2 ) large amplitude of oscillation, the minimum isi is about 2ms while the maximum is beyond 40ms, which suggested that the firing frequency vary from several tens to hundred hz ; ( 3 ) abrupt turn always occurs during the continuous change in isi, this turn is called inflexion temporarily
該振蕩波有下述特徵: ( 1 )振蕩周期較長,多數在30 ? 120s范圍,故稱慢波振蕩; ( 2 )振蕩幅度較大,其isi振蕩最小值在zms左右,最大值可達40ms ,表明放電頻率可在幾十到幾百k范圍內變動; ( 3 )在isi連續變化過程中往往出現突然轉折,暫稱其為拐點。Results : 1. data obtained from electrophysiological experiments : ( 1 ) in 73 rats, spontaneous discharge was recorded from 131 neurons. the patterns of electric activity of neurons showed in phasic, continuous and single firing 3 types
結果: 1 .電生理實驗結果: 『 ( l )在73隻大鼠,記錄到pvn自發放電神經元131個,放電模式為:位相型、連續型和單個型,放電頻率有高頻、中頻和低頻。In order to obtain ideal efficiency, the rf mosfet sd2918 [ 4 ] is used. also, the dead - time is inserted between the drive signals of mosfets, which is effective for reducing the shot - through loss and drain - source capacitor cds loss
為了獲得理想的放大效率,採用射頻場效應管sd2918 [ 4 ] ;同時,在兩驅動信號之間引入dead - time ,減小mosfet的串通損耗以及mosfet的漏源輸出電容cds損耗。Changes of discharge frequency in pf neurons of rat with myocardiac ischemia
心肌缺血大鼠丘腦束旁核神經元放電頻率的變化In addition to choosing the zoom level, you can now also select on what position the zoomed image section is centered ( you can select the position of the minor planet in any of the three images, or alternatively, center on the fixed asteroid ), and set the blinking frequency
除了可以選擇放大倍率之外,你還可以設置第幾張圖片中得移動目標位於居中位置(你可以選擇三張圖片中的任意一張中的小行星位置,或是讓小行星不動) ,同樣也可以設置動畫的頻率。分享友人