放大器失真 的英文怎麼說
中文拼音 [fàngdàqìshīzhēn]
放大器失真
英文
amplifer drstortion- 放 : releaseset freelet go
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 真 : Ⅰ形容詞(真實) true; genuine; real Ⅱ副詞1 (的確; 實在) really; truly; indeed 2 (清楚確實) cl...
- 放大器 : amplifier; pantograph; lawnmower; enlarger; magnifier
- 放大 : amplify; magnify; boost; enlarge; blow up; gain; amplification; enhancement; multiplication; magn...
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Part of the output of an amplifier can be fed back to get rid of sound distortion.
放大器部分輸出可以進行反饋以消除聲音的失真。While working on a means of reducing amplifier distortion, he devised the negative feedback amplifier.
在研究減少放大器失真方法時他發明了負反饋放大器。It uses amplitude predistorter to recompose amplifier am / am characteristic and then to inverse, and uses phase predistorter to recompose am / pm characteristic
該技術使用幅度預失真器擬合放大器的am / am特性並求逆,相位預失真器擬合am / pm特性。The predistortion, which aims at compensating for the nonlinear distortion caused by the power amplifier, has a good performance in eliminating the nonlinear distortion of am / am & am / pm, improving the aci and spectrum efficiency
預失真技術是針對射頻功率放大器非線性而提出的一種補償技術,可以有效消除由非線性造成的傳輸信號的幅度和相位失真,降低信號鄰道干擾( aci ) ,提高頻譜利用效率。In this paper, we considered both efficiency and linearization, and take the scheme of self - reaction control module plus predistortion and feed - forward technologies to improve the high power amplifier ’ s linearity
在本課題中,兼顧了效率及線性度,採用自適應預失真前饋復合線性化系統來改善高功率放大器的線性度。The high power amplifier will produce crosstalk in the process of transformation, so in order to increase the purpose of increasing the efficiency and accuracy in the transformation of information, the method of linearity is employed
摘要高功率放大器會對信號產生交調失真,為了提高信息傳遞的效率和準確性,需要對其進行線性化。When signals pass high power amplifier, they would be distorted in amplitude and phase, leading to spectrum spread and distortion of in - band signals, both of which would weaken performance of the whole system in turn
在無線通信中,信號在通過高功率放大器時會產生幅度和相位失真,造成頻譜擴展以及帶內信號畸變,導致整個系統性能的降低。Investigation on rf power amplifier imd detection and carrier cancellation
射頻放大器互調失真檢測和載波抵消的研究The relays may lack the high speed switching characteristic of the solid - state state switches used by other preamplifiers, but they also have none semiconductor distortions and noise which accompany analog gates and voltage controlled amplifiers
與其他前級放大器所用的半導體開關相比,這些繼電器缺少高速轉換的特性,但它們沒有隨著模擬開關和電壓控制放大器所帶來的半導體失真和噪聲。In communication systems like this, on account of nonlinearity which may arouse intermodulation of power amplifier may bringing the increaseing of ber because interferes from adjacent channel. hence, we did the analysis of relationship between im3 and ber in the system
但是在正是因為採取這種調制方式,由於功率放大器的( pa )非線性失真會引起交調效應產生同頻及鄰頻通道的干擾而使誤比特率( ber )增加。For low distortion, the drains ( or collectors ) of a differential amp " s front - end should be bootstrapped to the source ( or emitter ) so that the voltages on the part are not modulated by the input signal
為了得到低失真,差分放大器前端的漏極(或集電極)應該被引導到源極(或射極) ,這樣埠電壓就不會被輸入信號調制了。Theoretical analysis and simulation results demonstrate that asymmetries in lower and upper sidebands and imd magnitude variation depending on envelope frequency and junction temperature can appear, these results are in accordance with measurement results, and show that electrical and thermal memory effects exist
理論分析和模擬結果表明功率放大器上下邊帶不平衡和互調失真幅度依賴于包絡頻率和結溫,結果和測量的結果是一致的,說明存在電和熱記憶效應。The preamplifier will drive a low impedance load without alteration in the signal, in fact it can be used as a current source driving a 0 impedance mixer junction without any distortion
這個前級放大器能夠驅動一個低阻抗的負載而不會引起信號的變化,實際上它可以用作一個驅動零阻抗混合節點,而又不產生任何失真的電流源。An analog predistortion linearizer for rf amplifier
一種模擬預失真線性化射頻放大器Adaptive predistortion linearization for power amplifiers
功率放大器的自適應預失真線性化技術Adaptive predistortion radio frequency power amplifier linearization
自適應預失真射頻功率放大器線性化Investigation on adaptive predistortion rf power amplifier linearization
關于自適應預失真射頻功率放大器線性化研究Multi - carrier power amplifier linearization based on adaptive rf predistortion
基於自適應射頻預失真的多載波功率放大器線性化技術In the linearity of amplifier, the predistortion and the feedforward are the most popular techniques which possess different characteristics
在功率放大器的線性化方法中,預失真和前債是最常用的手段。To reduce the nonlinear distortion of power amplifier, this thesis puts forward a improved technology named adaptive predistortion
本文針對功率放大器的非線性失真提出了一種改進的自適應預失真技術。分享友人