butterworth 中文意思是什麼

Until he was thirty - four years old he worked as a farm - hand for a man named thomas butterworth whose place lay near the town of biddable, ohio

他當過農場僱工，在俄亥俄州比德韋爾鎮附近為一個名叫托馬斯?巴特活斯的人幹活，一直干到三十四歲。

My section at the admiralty research laboratory was run superbly by stephen butterworth.

我所在的海軍部研究實驗室的那個組由斯蒂芬巴特沃思出色的領導著。

Design of digital butterworth filter by matlab language

設計巴特沃斯數字濾波器

My section at the admiralty research laboratory was run superbly by stephen butterworth

我所在的海軍部研究實驗室的那個組由斯蒂芬?巴特沃思出色的領導著。

Its service centres are in the klang valley, butterworth, penang island, ipoh, seremban, malacca, batu pahat, johor baru and kuantan

它的服務中心設在巴生谷北海檳島怡保芙蓉馬六甲巴株巴轄新山及關丹。

In a same standard, pcb based on butterworth 、 chebyshev 、 legendre are dsigned out, the dimension and filter function are compared

同一指標下，設討出巴特沃斯、契比雪夫、勒讓德原型濾波器印製板，給出並比較了實現尺寸與濾波特性。

Its current branches and service centres are located in the klang valley, butterworth, ipoh, seremban, malacca, batu pahat, johor baru, kuantan and sabah

其他現有分行和服務中心位於巴生谷北海怡保芙蓉馬六甲巴株巴轄新山關丹及沙巴。

M. e. tigar and m. r. levy ， op. cit. ， pp. 261 ， ff. cf. s. f. c. milsom ， historical foundations of the common law ( 2nd ed. ) ， butterworth & co. ltd. ， 1981 ， pp. 37ff

關于利用程序來鉆實體法的漏洞，使財產權從佔有向流通、交換方面轉化的事例，可以參見黃仁宇《放寬歷史的視界》 （允晨文化實業股份有限公司、 1988年） 125頁以下。

M. e. tigar and m. r. levy ， op. cit. ， pp. 261 ， ff. cf. s. f. c. milsom ， historical foundations of the common law ( 2nd ed. ) ， butterworth & co. ltd. ， 1981 ， pp. 37ff. [ 52 ] id. ， pp. 271 - 272

關于利用程序來鉆實體法的漏洞，使財產權從佔有向流通、交換方面轉化的事例，可以參見黃仁宇《放寬歷史的視界》 （允晨文化實業股份有限公司、 1988年） 125頁以下。

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。

This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller

本課題在對低壓電力線的傳輸特性和數字調制技術進行分析的基礎上，將通信理論中的直接序列擴頻技術（ dsss ）用於解決低壓電力線通信的干擾問題，主要研究內容如下： （ 1 ）用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析，分別對時域和頻域下採用dsss技術前後接收信號的頻譜進行分析，驗證dsss技術在本系統中的可行性； （ 2 ）由dsss技術對濾波系統的要求，根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波電路； （ 3 ）用調制解調晶元sc1128和自行設計的濾波器加之輔助外圍電路，構造出低壓電力線載波通信系統，並採用atmel公司的單片機設計了接收和發射電路的微控制器； （ 4 ）分別對採取抗干擾措施前後輸入和輸出信號進行對比實驗，並對結果進行分析，驗證了dsss技術對干擾信號的抑制作用。

The nucleus is the software in the design and realization of virtual instruments. we use the design method of module and use many papers to describe the whole building process of the typical signal generation module, date handling module, date reading and writing module, resultdemonstrate module. as the conclusions, we also offer the panels and the diagrams of virtual signal frequency spectrum analytical instrument, virtual butterworth filter, virtual signal generation instrument, virtual integrator and differentiator regulator and amplitude modulation wave counter modulation instrument

本文採用模塊化設計方法，詳細描述了典型信號生成模塊、數據處理模塊、數據讀取和存儲模塊、顯示模塊等軟體開發的全過程，分析、解決了設計及實現過程中出現的問題，並給出了已實現的虛擬信號頻譜分析儀、虛擬巴特沃斯濾波器、調幅波解調器、虛擬信號發生器、虛擬積分器和微分器等實驗教學用虛擬儀器的前面板圖和程序流程圖。

We design the qmf based on the criteria of minimum frequency bandwidth and the qmf that possess linear phase, and give a example of a signal decomposed and restructured. 4. in the research of channel dropping filters, we use 5 rank butterworth filter to approach the digital filter. we design lc unpower netwok and rc power network. we manufacture lc lowpass and highpass filter ， and test their performance ; we simulate the appliance of the channel dropping filters in the system

4 .在頻帶分割濾波器的設計方法中，用5階巴特沃斯濾波器逼近最小頻寬正交鏡像濾波器，對無源和有源濾波器進行了模擬設計；設計並製作了無源lc低通和高通濾波器，測試了它們的性能；並對分割濾波器在系統中的應用進行了計算機模擬。

This paper presents the means of obtaining the parameter of signal converter and formulas for achieving the value of every parameter through math illation. the design means for band - pass filter involved in this subject is discussed and particularly, the steps and formulas for designing butterworth band - pass filter are expounded and the transfer - function of band - pass filter used in this subject are also given

通過神經網路的曲面擬合，很好地解決了本課題中所涉及的多個相互耦合的被測參數的解耦問題和標度變換問題，同常規s型非線性響應函數bp神經網路數據擬合相比，減小了計算量，節省了檢測系統在檢測過程中的計算時間，擬合結果表明。

After our beautiful and gracious supreme master ching hai lectured in kuala lumpur, malaysia, on april 30, 2000, local initiates were filled with happiness and overflowing with love. our enthusiasm to share master s teachings could not be contained, and so with a quan yin messenger, malaysian initiates presented six video seminars in the major cities of malaysia, namely, perak, kadah, ipoh, butterworth, malacca, and penang

自從我們美麗優雅的清海師父在2000年4月30日蒞臨馬來西亞吉隆坡講經之後，同修們法喜充滿愛力洋溢，熱切地想要分享師父教理給更多人，於是與觀音使者一起在馬來西亞各主要城市舉辦了六場錄影帶講座，這些城市包括比叻卡達怡保巴特渥斯麻六甲與檳城。

It can generate high - stable and linear current signal and utilize butterworth low pass filter to eliminate the noise and ripple in the signal. according to the different functions of different pins, this circuit can modulate and control the output power of the laser diode and modulate the laser signal, which makes this laser diode driver have more valuable application. in the last part of the paper, the feasibility of the theory is validated by experiment data

其次，根據ic - wkn的內部電路和不同引腳的功能，設計了一套由d / a轉換器和單片機組成的信號調節電路，使之能夠輸出具有良好的穩定性和線性特性的電流調節信號，並選擇巴特沃茲低通濾波器來濾除信號中的紋波和干擾。

The mechanism for the fault of the working state of anode is studied in this paper. the spectrum of the sampled signals is got using the technique of amplitude - frequency analysis, then the corresponding iir butterworth digital filter is designed to separate the low - frequency part and the high - frequency part using digital filter design technique

利用頻譜分析技術對采樣信號進行頻譜分析，並採用數字濾波器設計技術設計了相應的r型butterworth數字濾波器，將信號中的低頻信號和高頻組分進行分離，從中提取出與陽極工作故障有關的特徵量。

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。

The design method of the double charge amplifier are worked out based on the requirement of the sensor for testing circuit and the effect of sensor for work environment, the method of compensation of the frequency being extended is studied, and the butterworth filter of five order which is adapted itself is designed creatively by the isppac in chapter three

第三章從敏感元件對測量電路的要求和工作環境的影響出發，提出了雙電荷放大器的設計方案，研究了頻率拓寬補償的方法，使用isppac創新設計了自適應butterworth5階低通濾波器。

The complete design uses the given functions and releases the low - pass, high - pass, band - pass and the band - stop filters directly. butterworth, chebyshev and caoer filters are used for the implementations. in the fir filter designs, chebyshev and hamming windows are used for a band - pass filter

完全設計方法中我們利用函數直接設計出低通、高通、帶通和帶阻濾波器，並分別用巴特沃斯（ butterworth ）濾波器、切比雪夫（ chebyshev ）濾波器、橢圓（ cauer ）濾波器來實現，並比較了各自的頻率響應曲線。