predistortion

1. A Base-band Predistortion Technique for OFDM System

OFDM系統(tǒng)中基帶預(yù)失真技術(shù)研究

2. Radio frequency predistortion linerization in 0W-CDMA basic station

W-CDMA基站中的功放射頻預(yù)失真線性化

3. A Baseband Predistortion Algorithm Based on LS/SVD

一種基于LS/SVD的基帶預(yù)失真算法

4. Adaptive Predistortion Technology for RF Power Amplifier Based on Dual Look-up Table Structure

一種基于雙查找表自適應(yīng)預(yù)失真結(jié)構(gòu)的射頻功率放大器線性化方法

5. A Nonlinear Predistortion Method Based on Taylor Series of HPA Distortion Model

一種基于泰勒級(jí)數(shù)的HPA失真模型的非線性校正方法

6. Digital Baseband Predistortion Technology for Compensating Nonlinear Distortion with Memory Effects in Satellite Communication Channel

一種用于補(bǔ)償衛(wèi)星通信信道記憶非線性的數(shù)字基帶預(yù)失真技術(shù)

7. High-efficient adaptive predistortion structure for RF power amplifier linearization

一種高效的用于RF功率放大器線性化的自適應(yīng)預(yù)失真結(jié)構(gòu)

8. THEORETICAL ANALYSIS AND REALIZATION OF PREDISTORTION LINEARIZATION IN OPTICAL FIBER AM CATV EXTERNALLY MODULATED TRANSMISSION

光纖調(diào)幅有線電視外調(diào)制傳輸預(yù)失真補(bǔ)償?shù)睦碚摲治黾捌鋵?shí)現(xiàn)(英文)

9. Investigation on Adaptive Predistortion RF Power Amplifier Linearization

關(guān)于自適應(yīng)預(yù)失真射頻功率放大器線性化研究

10. The amplitude predistortion algorithm is simple and flexible.And the partial compression can maintain the distribution characteristic of signal amplitude better than companding transform.

其中幅度預(yù)矯正具有算法簡(jiǎn)單、靈活的特點(diǎn)，而部分壓縮能比壓擴(kuò)變換更好地保持信號(hào)幅度的分布特性。

11. It is proved to be effective at the same time by fabricating a real predistortion linearization power amplifier.The test results demonstrate the good performance of the linearized amplifier.

同時(shí)通過(guò)實(shí)際制作這樣一個(gè)線性化功放,調(diào)試并測(cè)試其線性化指標(biāo),取得了預(yù)期的效果,達(dá)到了工程技術(shù)指標(biāo)的要求,從而驗(yàn)證了這一方案的有效性。

12. In broadband communication systems,such as WCDMA,memory effects of RF power amplifiers(PAs)are significant and memoryless predistortion techniques cannot linearize PAs effectively.

在WCDMA等寬帶通信系統(tǒng)中,射頻功率放大器記憶效應(yīng)明顯,傳統(tǒng)的無(wú)記憶預(yù)失真技術(shù)無(wú)法達(dá)到理想的線性化效果。

13. 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(yù)失真和前債是最常用的手段。

14. In chapter4, a separately optimized PAPR reduction and LUT-based predistortion scheme is proposed to efficiently mitigate both clipping distortion and compressive gain distortion.

在第四章節(jié)，我們提出一個(gè)分別對(duì)降低峰對(duì)均值的比例值的做法與以查表法為基礎(chǔ)的數(shù)位反失真方法做最佳化的方法，可以緩和截取失真與壓縮增益

15. A Design of predistortion HPA Using 2nd order Low Frequency Intermodulation Signal

基于2階低頻互調(diào)干擾信號(hào)的HPA預(yù)失真法

16. LUT method of predistortion compensate for linearization of HPA

基于查找表的功放線性預(yù)失真方法研究

17. Multi-Carrier Power Amplifier Linearization Based on Adaptive RF Predistortion

基于自適應(yīng)射頻預(yù)失真的多載波功率放大器線性化技術(shù)

18. Baseband Predistortion for Linearizing HPA in DAB

基帶預(yù)失真線性化技術(shù)在DAB系統(tǒng)中的應(yīng)用

19. Actual correcting outcomes indicate that the predistortion algorithm is an effective means for solving nonlinear distortion of cylindrical screen.

實(shí)際的校正結(jié)果表明，采用預(yù)失真的方法進(jìn)行柱面非線性失真校正，是一種行之有效的方法。

20. Keywords broadband power amplifier;nonlinearity;memory effects;behavioral model;linearization;digital predistortion;

寬帶功率放大器;非線性;記憶效應(yīng);行為模型;線性化;數(shù)字預(yù)失真;

21. Keywords RF power amplifier;Linearization;Predistortion;Feedforward;

射頻功率放大器;線性化;預(yù)失真;前饋;

22. Keywords radio frequency power amplifier,predistortion,linearization technique,intermodulation distortion,look-up table,indexing method,feedforward-predistortion system;

射頻功率放大器;預(yù)失真;線性化;交調(diào)失真;查找表;索引技術(shù);前饋預(yù)失真系統(tǒng);

23. RFDPD (radio frequency digital predistortion)

射頻數(shù)字預(yù)失真

24. The application of RF predistortion techniques can handle broader bandwidth and stability.

射頻預(yù)失真方法的應(yīng)用能有效的解決帶寬及穩(wěn)定性的問(wèn)題;

25. amplitude predistortion

幅度預(yù)矯正

26. Predistortion for nonlinear amplifier with memory always is very difficult.

摘要 記憶非線性放大器的預(yù)失真問(wèn)題一直是預(yù)失真技術(shù)的難點(diǎn)。

27. Abstract: A kind of predistortion power amplifier by two radio frequency transistors reciprocal compensating was designed.And the temperature compensation circuit was presented.

摘要 ：設(shè)計(jì)了一種雙功率管互補(bǔ)式預(yù)失真功率放大器，并給出了溫度補(bǔ)償偏置電壓的具體設(shè)計(jì)電路。

28. Time delay estimation error may decrease the linearization performance of adaptive predistortion for radio frequency (RF) power amplifier.

摘要延時(shí)估計(jì)偏差通常會(huì)嚴(yán)重影響射頻(RF)功率放大器預(yù)失真技術(shù)的性能。

29. A digital direct predistortion method with a variable linear degrees of power amplifiers is presented.

摘要提出了一種功放線性度可調(diào)的數(shù)字基帶直接預(yù)失真線性化技術(shù)方法。

30. A digital base band adaptive predistortion method to compensate nonlinear distortions introduced by a high-power amplifier (HPA) in orthogonal frequency division multiplexing (OFDM) system is proposed.

摘要提出了一種用于正交頻分復(fù)用(OFDM)系統(tǒng)中補(bǔ)償由大功率放大器引起的非線性失真的基帶自適應(yīng)預(yù)失真方法。

31. Digital baseband predistortion is a highly cost-effective way to linearize high power amplifiers (HPAs), but most existing architectures assume that the HPA has a memoryless nonlinearity.

摘要數(shù)字基帶預(yù)失真技術(shù)是克服高功率放大器非線性失真最有效的方法之一。

32. digital base-band predistortion

數(shù)字基帶預(yù)失真

33. A New Algorithm of the Linearizing Technology of the Digital Baseband Predistortion

數(shù)字基帶預(yù)失真線性化技術(shù)的一種新算法

34. Study of Digital Predistortion for Power Amplifier in Digital TV Transmitter

數(shù)字電視發(fā)射機(jī)功放的預(yù)失真技術(shù)研究

35. Adaptive Predistortion Used in Digital TV Transmitter

數(shù)字電視發(fā)射機(jī)自適應(yīng)預(yù)失真技術(shù)

36. digital predistortion

數(shù)字預(yù)失真

37. Reverse phase have simplicity and low complexity, so we can utilize propose technique to combine with partial transmit sequence (PTS) and amplitude predistortion (AP).

最后我們將利用相位反轉(zhuǎn)技術(shù)與分部傳送序列技術(shù)以及振幅預(yù)扭技術(shù)做結(jié)合。

38. Application of predistortion technology in CDMA2000 system is discussed in this paper.And a practical digital predistortion system is proposed to improve linearity and efficiency of power amplifier.

本文研究了預(yù)失真技術(shù)在CDMA2000系統(tǒng)中的應(yīng)用,設(shè)計(jì)了一種實(shí)用的數(shù)字預(yù)失真系統(tǒng)來(lái)提高功率放大器的線性度和效率。

39. analog predistortion

模擬預(yù)失真

40. Analysis of a quadrature power series predistortion amplifier

正交冪級(jí)數(shù)預(yù)失真放大器分析

41. Keywords Chaotic frequency hopping;Chaos synchronization;Power amplifier predistortion;Fuzzy control;Neural network training;

混沌跳頻;混沌同步;功放預(yù)失真;模糊控制;神經(jīng)網(wǎng)絡(luò)的學(xué)習(xí);

42. Research on Predistortion Process Technology of Temperature Compensation Bias

溫度補(bǔ)償偏置電壓的預(yù)失真處理技術(shù)研究

43. television predistortion

電視預(yù)校正

44. At present, in contrast with feedback and feedforward, digital baseband predistortion is a highly cost-effective way to improve power amplifier's nonlinear characteristic.

目前,相對(duì)于前饋和反饋等線性化技術(shù),基帶數(shù)字預(yù)失真技術(shù)是性價(jià)比較好的解決方案。

45. direct predistortion

直接預(yù)失真

46. phase predistortion

相位預(yù)矯

47. Adaptive digital predistortion

自適應(yīng)數(shù)字預(yù)失真

48. Aplication of an adaptive digital predistortion technique to HPA linearization

自適應(yīng)數(shù)字預(yù)失真方法在功放線性化中的應(yīng)用

49. adaptive predistortion

自適應(yīng)預(yù)失真

50. Adaptive Predistortion Radio Frequency Power Amplifier Linearization

自適應(yīng)預(yù)失真射頻功率放大器線性化

51. frequency-modulation predistortion

調(diào)頻預(yù)失真

52. So you get a predistortion of the material.

這樣，您就能以預(yù)失真的材料。

53. A simple way to deal with the distortion of the WCDMA power amplifiers has been proposed. The predistortion linearizer allows adjustment of the AM-AM and AM-PM curves to compensate the power amplifier nonlinearities.

針對(duì)寬帶碼分多址(WCDMA)功放的非線性失真問(wèn)題,提出了一種簡(jiǎn)單有效的解決方案,即通過(guò)預(yù)失真發(fā)生器對(duì)幅度-幅度(AM-AM)及幅度-相位(AM-PM)曲線進(jìn)行調(diào)整,以補(bǔ)償功放的非線性失真。

54. Predistortion technology

預(yù)失真技術(shù)

55. predistortion filter

預(yù)失真濾波器

56. predistortion circuit

預(yù)失真電路

57. predistortion linearization

預(yù)失真線性化

58. predistortion linearity compensation

預(yù)失真線性補(bǔ)償

59. predistortion of the signal

預(yù)畸變信號(hào)

60. predistortion device

預(yù)矯正器