bessel filter 中文意思是什麼
bessel filter
解釋
貝塞爾濾波器-
Butterworth - type and bessel function - type two ways are used for design of bandpass filter for receiver, and with the help of eda simulation tools, the bold plot and the group delay characteristics of the filters designed are compared
摘要採用巴特沃思型和貝塞爾函數型2種方法進行接收機帶通濾波器設計，藉助eda對該濾波器進行波特圖和群延遲特性的比較。 -
Design of bessel low pass filter in direct digital synthesizer
直接數字合成器中貝塞爾低通濾波器設計 -
State feedback greatly suit pole placement. getting optimized eigenvalue of det [ si - ( a - bk ) ] = 0 is the target of pole placement by selecting state feedback matrix k. the root of state feedback can be placed in term of the form of butterworth filter or bessel filter
極點配置就是選擇狀態反饋矩陣k ，使系統的本徵多項式det [ si - （ a - bk ） ] = 0的本徵值處于最適宜的數值上，即獲得最優的根配置。 -
In the fifth chapter, a new fully differential operational amplifier with voltage and current - mode negative feedback has been proposed, which can stabilize its quiescent operation point, using the characteristic of mos transistors which operate in the triode region acting as active variable resistor, a fully differential fourth - order chebyshev low - pass filter with tunable frequency and bessel low - pass filter with accurate group delay based on r - mosfet - c and operational amplifier has been designed
第五章：提出了一種新的既具有電壓共模負反饋又同時具有電流共模負反饋的全差分運算放大器電路，能較好地穩定電路的靜態工作點，並應用mos管工作在線性區可作有源可變電阻用的特性設計得到了截止頻率可連續調節的高性能r - mosfet - c 、運放結構切比雪夫（ chebyshev ）和精確群時延值貝塞爾（ bessel ）低通濾波器。 -
In the seventh chapter, some of the above proposed new circuit, such as high frequency, high definition 12 - bit, 80mhz samples / s current - steering dac and fully differential r - mosfet - c bessel filter with accurate group delay, high accuracy bandgap reference and high drive capability cmos operational amplifier have been applied in communication gsm baseband i / o port integrated circuit, all the above blocks meet well with the design requirements of the system, and gain the better testing results, in the mean time, the above proposed high accuracy bandgap reference circuit als
第七章:將本文第二章提出的高速、高精度12位、 80mhz采樣率電流舵結構的數模轉換器和第五章提出的r一mosfet一c結構且具有精確群時延值的貝塞爾（ bessel ）濾波器以及第六章提出的高精度帶隙基準電壓源和高驅動能力全差分運算放大器電路應用於通信gsm基帶輸入/輸出埠晶元，滿足系統設計要求並取得了令人滿意的實測結果。
分享友人