零點信號 的英文怎麼說
中文拼音 [língdiǎnxìnháo]
零點信號
英文
zero signal- 零 : Ⅰ數詞1 (零數) zero2 (數的空位) zero sign (0); nought 3 (表示沒有數量;無) nil; nought 4 (...
- 點 : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
- 號 : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
- 零點 : null point; zero end; zero point; zero; zero hour; null (函數或曲線的)零點標準(額) the nil no...
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In the present design, step inputs are restricted to a few tenths of millivolt
在目前這個設計中,階躍輸入信號限制在零點幾毫伏以下Zero - cross circuit makes sure output synchronism signals drive silicon control
過零檢測電路保證了輸出信號零點同步驅動可控硅,降低電源污染。Based on mono - pulse radar system and the analysis of terrain echoes, a geometrical model of air to ground ranging is constituted. by using the signals received from the sum and difference channels of terrain follow radar, a group of the expressions for terrain echoes are educed and characteristics of these echoes are obtained. according to the characteristics of the echoes, the theory and method of pass zero detection of difference channel and its applications are discussed in detail
針對一維單脈沖雷達體制,分析了地形目標回波特性;建立了地形跟隨雷達空地測距的幾何關系;利用雷達收發信號,導出了地形跟隨雷達和差接收通道的回波信號表達式,進行了波形模擬,得到了地形跟隨雷達的地面散射產生回波在時域中的特性;根據和差回波特性,闡述了差信號過零點檢測測距的原理和方法及工程實踐中的應用,並給出了真實雷達對外輻射試驗的結果,驗證了文中的模擬。Smart antenna has been widely researched in communication and signal processing, the adaptive beamforming algorithm is the key technique of smart antenna. it could adaptively steer the array directional pattern to form the main narrow beams with high gain in the direction of the users " signals while deeply nulling the interference signals. it is an effective way to realize the optimal receiving of the interesting signals
智能天線技術是目前通信和信號處理等領域的研究熱點,自適應波束形成演算法的研究是智能天線的一個關鍵技術,它能夠自適應地控制天線陣方向圖在用戶信號方向產生高增益窄波束,在干擾信號方向產生較深的零陷,是實現用戶信號最佳接收的有效方法。This product adopts oem pressure transducer with stainless steel isolation diaphragm as signal measure element and automatic testing by the computer. using laser adjustment resistant technology carries on temperature compensation to zero point and sensibility in width temperature scope
該產品採用帶不銹鋼隔離膜片的oem壓力傳感器作為信號測量元件並經過計算機自動測試,用激光調阻工藝進行了寬溫度范圍的零點和靈敏度溫度補償。In this paper, a new control strategy based on the adaptive deadbeat voltage space vector is presented. this control scheme has a lower sample frequency and a smaller difference between switch frequency and sample frequency. it has many advantages, such as producing zero vectors organically, tracing exactly, non - shaking, etc. and its dynamic response is better
對于電能質量調節器來講, pwm跟隨指令參考信號的控制性能在很大程度上影響著裝置的補償效果,本文選擇無差拍電壓空間矢量控制為系統控制策略,這種控制方法具有采樣頻率低,開關頻率與采樣頻率的差距小,能有機地產主零矢量、跟蹤精確以及無抖振等優點,動態響應快。Adaptive antenna can react to interfering signal automatically, form the beam zero points at interference and keep the signal receptions in right directions
自適應天線能自動地對干擾信號做出反應,將天線波束零點對準干擾方向,同時保持信號方向的接收能力。Become a kind of new electronics circuit - current - mode circuit. it is replacing the traditional design method of the voltage - mode in the high frequency high - speed signal processing realm 。 this thesis mainly discussed the modified second - generation current conveyors based on the current - mode kinds of new cuicuit components, they are stronger modified standard current - mode parts in fuctions on this foundation. mainly including the modified differential difference current conveyor ( mddccii ) 、 the fully balanced second generation current conveyor ( fbccii ) 、 ( full balances ) four - terminal floating nullor ( fbftfn ) and the current differencing buffered amplifier ( cdba ), they are all function very strong standard current - mode parts, they all can provide some circuit functions of better than general operation amplifier, because they have the voltage importation and the current importation, therefore use it since can carry out the voltage - mode signal processing circuit expediently, can also carry out the current - mode signal processing circuit expediently, and have to increase the benefit bandwidth to accumulate more widely than the voltage - mode, but have their advantages more according to the current - mode filter of the modified current conveyor, because it constitutes in brief, the filter wave function is stronger and they are better than in general use operation amplifier of many advantages, be easy to composing for example 、 high speed 、 frequency bandwidth 、 the power supply voltage requests low 、 consume small, the impedance is different from etc. advantages, otherwise they have biggish dynamic range, and flexible circuit synthesize, so they are the best active parts
從第二代電流傳輸器ccii入手,重點研究了以下幾種改進型的第二代電流傳輸器:改進的差動差分電流傳輸器mddccii 、全平衡第二代電流傳輸器fbccii 、多輸出四端浮地零器ftfn 、全平衡四端浮地零器fbftfn 、電流差分緩沖放大器cdba的電路結構及其模型。然後在此基礎上系統地研究了基於這幾種改進型的第二代電流傳輸器的濾波器的設計方法,主要方法和結果如下:利用mddccii設計了差分式連續時間電流模式低通、帶通濾波器;電流模式跳耦結構考爾低通濾波器;利用fbccii設計了帶通二階節濾波器及電流模式雙二階通用濾波器;設計了基於多輸出端ftfn的電流模式二階通用濾波器電路;通過數字化開關選擇的基於fbftfn的電流模式通用濾波器;設計了基於最少個數電流緩沖放大器(兩個cdba )的多功能通用電流模式濾波器及其在非理想因素情況下分析。設計濾波器的主要方法是採用級聯設計、運算模擬(信號流圖法)和反饋設計(跳耦法) 。In order to improve the quality of the voltage signals, this paper has adopted the scheme of three phases and six organs in signal - generator part, which can eliminate the errors caused by the assembly warp and the zero shift of organs. this paper also has analyzed the distribution and varying rules of the magnetic field in the signal - generator part, then based on the conclusion of the analysis improved the structure of signal - generator, which could completely eliminate the noise signal caused by the roughness of the face on the magnetic steel ring. the improvement not only met the requirement of this study, but established the theory foundation for the super - high precision magnetic encoder in future research
因此,為提高原始電壓信號的質量,本文採用三相六元件的信號發生方案,通過差分處理濾除了由於裝配偏差和零點漂移帶來的信號誤差;本文對編碼器信號發生結構進行了磁場分析,依據磁場分析的結論對編碼器常用的信號發生結構進行了改進,改進后的結構利用積分原理在理論上能夠完全消除信號中由磁鋼環表面粗糙度引起的信號噪聲,進一步提高了信號質量,此結構不僅滿足了本課題的需要,而且為今後研製超高精度的磁電式編碼器奠定了理論基礎。A resolution method in software is applied to calibrate zero point and full scale of the circuit. software approach to nonlinear correction for sensor and circuit is presented. therefore system error is eliminated, and measurement accuracy of temperature is improved. the signal of acidity electrode is detected by a differential amplifier circuit, which consists of operational amplifiers tlc2254 with high input impedance and low drift
採用橋路和單運放差動放大電路對溫度傳感器信號檢測放大,軟體校正溫度傳感器和測量電路的非線性,軟體校準測量電路的零點和滿度,消除測量電路的系統誤差,提高補償溫度的測量精度;採用高阻、低漂移運放tlc2254組成高阻差動放大電路用於酸度電極信號測量。The menues are self - explanatory and allow to choose the configuration parameter as user language, engineering unit, zero and span, inverted output signal etc. the language can be switched between german, english, spanish and italian
菜單簡單易懂,可以選擇配置參數,如用戶語言工程單位零點和跨度翻轉輸出信號等。可選擇語言有德語英語西班牙語和義大利語。Judgment of the point of zero passage is the key factor involved, and a higher sampling frequency should be adopted when the method is applied on situations of large signal amplitude
其中過零點判定為關鍵技術,當用於信號幅值較大場合時應盡量提高信號采樣頻率。The chip jk3ce that is one of micro - controllers in motorola 68hc08 family is used as control unit in this system. the zero crossing point of the back emf can be obtained by comparing the terminal voltage with the virtual neutral point, then using the software of the system can figure out the commutation period. the electronic commutation replaces the mechanical commutation in this way
本系統採用的控制晶元為motorola系列單片機中的jk3ce ,反電勢過零點可以通過比較電機端電壓和虛擬中點電壓來得到,將過零點信號送往單片機捕捉埠後由系統軟體來確定換相時刻,這樣就可以由電子換向裝置替代機械換相裝置,有利於提高系統運行的可靠性,並降低了系統維護的費用。Zero signal rest
-零點信號殘余Difference in output signals of an upwards and downwards series with same force f in each case, referred to the output signal decreased by zero - force signal in the case of increasing force
參照漸增力情況下的輸出信號減去零點信號,每種情況下偏上偏下的系列數與同樣的f力輸出信號的差值。Change in force transducer s zero signal referred to the characteristic value, as a result of a change in ambient temperature by 10 k within a defined temperature range after adjustment of stationary states
每10k零點信號的溫度影響穩態調節以後,規定溫度范圍內周圍溫度變化10k時力傳感器根據特徵值的零點信號產生的變化。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。It is one of advanced technologies used in modern radar that applying adaptive algorithms to radiation pattern of an adaptive array in order to control nulls of the beam pattern and to suppress interferential signals
在自適應天線陣的發射模式中應用自適應演算法,控制發射波束的零點位置,以達到抑制干擾信號的目的,是現代雷達採用的先進技術之一。The output signal at nominal force decreased by the zero - force signal
標準力的輸出信號減去零點作用力的輸出信號。Abstract : the performances and characteristiss of the zero crossing digital demodulation is ana lysed through the comparison of various ways of fsk signal digital demodulation. and ideal conclusion is reached
文摘:對各種頻移鍵控信號的數字解調方法進行了研究和比較,並重點分析了零交點數字解調法的性能特徵,最後得出了一個最佳結論分享友人