adaptive amplifier 中文意思是什麼
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Test results show that under 2 - tone test in 5mhz tone spacing, the power amplifier system achieves - 50dbc imd3 with 20w output power, improved 20db in imd3 compared with the one without linearity. estimated value of aclr comes to 53db, which satisfies the 3gpp requirement for wcdma base - station transistor. further tests with alterative input power indicate a steady suppression to the imd3 controlled by the adaptive system
測試結果表明，自適應前饋功放系統在雙音輸出功率20w時三階交調系數小於- 50dbc ，鄰通道泄漏抑制比（ aclr ）的估算結果大於53db ，在理論上滿足3gpp對wcdma基站發射機的指標要求。 -
And i finished the layout design, chip test of line driver and equalizer in 2. 5gbps baseband copper cable transceiver and equalizer in the 1. 5gbps sata transceiver respectively. the main improvements and innovations in this thesis are as follows : 1 、 to design an analog equalizer tuned on - chip for 2. 5gbps baseband copper cable transceiver ; 2 、 to present an adaptive equalizer for 1000base - cx transceiver ; 3 、 to present an auto - gain control amplifier used in the adaptive equalizer for the 1000base - cx transceiver ; 4 、 to present an adaptive continuous - time gm - c filter in very high frequency for the adaptive equalizer for the 1000base - cx transceiver
論文主要的改進和創新有： 1 、設計了適用於2 . 5gbps基帶銅纜收發器系統片上可調的模擬均衡器電路； 2 、提出了一種新的適用於千兆以太網基帶銅纜收發器系統的自適應均衡器結構； 3 、設計了甚高頻自動增益控制放大器； 4 、設計了一種適用於千兆以太網基帶銅纜接收器均衡的自適應甚高頻連續時間gm - c二階帶通濾波器。 -
One kind of adaptive data acquisition system is constituted using computer and intelligent amplifier. the distinguishability of data acquisition system is elevated
深入研究了小波神經網路理論，並將地震數據剖面看成是二維數字圖像。 -
Feedforward is generally known as the best performing linearization technique for its advantages, such as broadband, stability, etc. this paper introduces the theories of power amplifier nonlinear characters and feedforward technique. according to the rf specifications in 3gpp for wcdma transmitter power amplifier, an adaptive feedforward amplifier system is completed including eda simulation, circuits layout and main mechanical structure design
本文根據3gpp對wcdma發射機功率放大器的射頻指標要求，在對功率放大器的非線性特性和前饋技術的特性進行詳細理論分析的基礎上，結合eda模擬工具，設計了基於自適應前饋的功放系統，並完成了系統的調試和測試。 -
Adaptive feedforward linearization for rf power amplifier
射頻功率放大器的自適應前饋線性化技術 -
This paper presents an adaptive control for the semi - active suspension using the combination of mr damper and feedback neural networks. analyzing the mr damper, a smart actuator, chapter 3 gives the design of pre - amplifier of current, which provides the external magnetic field. and it discusses the additional nonlinear stiffness resulted from the transition of mr fluid from liquid to semi - solid or solid
在分析新型智能材料用做作動器的磁流變阻尼器特性的基礎上，本文給出阻尼器線圈的前置電流放大電路，並討論了因磁流變液體固液態之間的可逆變化而產生的懸架系附加非線性剛度。 -
Compared with traditional feedforward, this paper presents an adaptive control method based on power detection minimization. with strong and fast digital signal processing ability, the adaptive system can control feedforward amplifier parameters exactly and suppress non - linear products at last by detecting changes of signals and environments
與傳統前饋法相比，本文加入了基於最小功率檢測演算法的自適應控制電路，對輸入功率變化、溫漂和器件老化等導致系統性能下降的擾動進行自適應調整，使功放的非線性失真在很大程度上得到改善。 -
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 -
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。 -
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
摘要提出了一種用於正交頻分復用（ ofdm ）系統中補償由大功率放大器引起的非線性失真的基帶自適應預失真方法。
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