放大信號 的英文怎麼說
中文拼音 [fàngdàxìnháo]
放大信號
英文
amplify the signal-
Simulations of gain and aberrance are done to study the amplification of pulse signal with a frequency of 0. 25mhz
對頻率為0 . 25mhz的脈沖信號放大進行了模擬,分析了其增益和脈沖畸變隨放大參量的變化情況。As a mix - mode chip, the application - specific controller including analog signal and digital signal processing block can be applied to receiving, amplifying, processing, controlling signals of pir, and offer a wide application in some fields. in analog circuits, by sub - threshold mosfet, a self - bias current source is presented, which has a high power supply restrain ratio and a complementary to absolute temperature characters
這款晶元是一款數模混合晶元,包括模擬信號處理(含模數介面模塊)和數字信號處理兩大模塊,完整實現對紅外信號的接收、放大、處理、控制,產生有效數字電平驅動繼電器、可控硅等負載,應用於自動燈等多種場合。A tube or a transistor can amplify an incoming signal.
電子管和晶體管能放大輸入的信號。The voltage of the amplified signal at the loudspeaker is 2v.
揚聲器放大了的信號的電勢為2伏。We are using this transistor to amplify a telephone signal.
我們正在使用這種晶體管來放大電話信號。More and more fluorescent signal can be collected with the pcr reaction carry on. the method is more automatized and much less time consumption ( only 3 hours from nucleotide hybridization capture to result found )
這樣利用熒光信號積累可以實時監測整個pcr進程,實現了pcr擴增和核酸雜交以及熒光電信號放大檢測同步進行的自動化檢測技術;實時熒光pcr技術具有更大的優越性: l )不需要pcr后處理,Electroencephalogram ( eeg ) or brain wave is a typical kind of bioelectricity signals. eegs are brain electrical potentials recorded by electrodes placed on the scalp of subjects
腦電信號作為一種典型的生物電信號,由放置在頭皮的電極獲得並被記錄,其中包含了大量的腦內神經元活動信息。In the circuit, using the way of step - by - step magnify, a normal sine wave signal through former circuit export for the next circuit, and this signal that have been magnified push the next step. the main magnify circuit use the method of high power dynatron that is parallel connection
在迴路中採用逐級放大的方法,將一個標準的正弦波信號通過前級放大,輸出給后級,推動后級放大迴路,主要的功率放大迴路中採用大功率三極體並聯實現功率放大輸出。Letter ratio : point biggest not lose the signal strength of the true voice with at the same time of the emanative noise strength opposite voice for of ratio, usually with meaning, letter comparing more bigly, turn on electricitying the road more small, quality more pure and unadulterated. want to choose the letter the ratio in the product of above. new of summer is with the series the product s letter ratio all in the above, have more professional of performance
信噪比:指最大不失真聲音的信號強度與同時發出的噪音強度之間的比率,通常以表示,信噪比越大,功放電路的相對噪聲就越小,音質就越純正。要選信噪比在以上的產品。夏新和系列產品的信噪比都在以上,有更加專業的表現。The brief name ring, measures a device right high, inside, low and each segment scope for ability for even emersion of signal, pointing lowestly validity returning putting the frequency with tallestly validity returning put of the frequencying. request towards device rang contain both side, on is a scoping as far as possible breadth, can be namely frequency bottom that replay the is as far as possible low, and the upper limit is as far as possible high ; two is a frequency scope the inside is at all point to respond to as far as possible flat, avoided to appeared the big motion
簡稱頻響,衡量一件器材對高中低各頻段信號均勻再現的能力,指最低有效回放頻率與最高有效回放頻率之間的范圍。對器材頻響的要求有兩方面,一是范圍盡量寬,即能夠重播的頻率下限盡量低,上限盡量高二是頻率范圍內各點的響應盡量平坦,避免出現過大的波動。Again call the the ratio, namely the electric voltage of the enlarger s exportation signal with at the same time output s voice ratio for electric voltage, usually use the decibel number to mean. the equipments s letter the ratio is more our output of high enunciation is more little. by any large, letter the ratio is more big, and the elucidation is in the in the signal a the quantity for more smallly, voice returning putting is more high, otherwise contrary. letter the ratio should be generally not lower than 70 dbs, high the letter of the true box the ratio should attain 110 dbs are above
又稱為訊噪比,即放大器的輸出信號的電壓與同時輸出的噪聲電壓的比,常常用分貝數表示。設備的信噪比越高表明它產生的雜音越少。一般來說,信噪比越大,說明混在信號里的噪聲越小,聲音回放的音質量越高,否則相反。After study on the technology of probe head of the optical fiber, a biosensor for determination of cholesterol which based on fluorescence quenching and adopted phase shift & phase lock technique to detect the change of light intensity was developed, in this biosensor, the cellulose acetate cod enzyme membrane was took as sensitivity basic dollar, ru ( phen ) 32 + was took as indicator of oxygen and furcated optical fiber as conduct carrier of light signal
通過對光纖探頭組裝技術的研究,以醋酸纖維素cod酶膜為敏感基元,釕( ) -鄰菲咯啉為氧指示劑,分叉光纖為光信號傳導載體,採用相移法和鎖相放大技術設計了一種基於熒光猝滅原理的測定膽固醇用的生物傳感裝置。With the frequency division of wpd, etm uses shannon entropy as the criterion of determining whether or not dsi exist in certain wpd tree nodes and interference are suppressed successfully. lots of simulation data, lab data and on - site data have indicated that etm works with good efficiency, without pre - knowing of dsi information, extracts the phase of pd pulses accurately and can calibrate quantity of single type discharge
大量的模擬數據、實驗室實測數據以及現場實測數據處理結果表明,小波包變換熵閾值法抑制干擾能力強,無需事先確定干擾的分佈,能夠準確檢測局部放電信號的相位信息,對于單一的放電類型,可以確定放電量的大小。The synchronous rectifying and low power sampling technology is used to reduce the power consumption, flexible external loop compensation, error amplifier output clamp are adopted for better system large signal response. the piecewise slope compensation technology is employed to minimize the consequence of over compensation. the sensor resistor is externally connected, which realize output voltage programmable. the overheat protection and under voltage protection modules are integrated in the die to allow the reliable operation of the system
同時,電路設計採用同步整流技術、低功耗電流采樣技術降低功耗,提高轉換效率;採用靈活的外部環路補償技術、誤差放大器輸出嵌位技術以實現良好大信號特性;採用分段斜坡補償技術,消除不穩定因素,並最大程度地減小過補償帶來的問題;採用外接輸出采樣電阻的方式,實現輸出電壓的可編程。The main results are presented. second, the theoretical analysis about electron beam and wave interaction is presented. base on the theoretical analysis, numerical simulations of electron beam and wave interaction in gyroklystron were done
二、通過採用自洽非線性大信號理論方法,在理論分析和高頻計算的基礎上對迴旋速調管放大器注-波互作用進行了數值計算。In addition, we designed the sensor to cancel out noise that might be generated by different components, from the pixel amplifier, which strengthens the signals, to the memory and switches
我再補充一點,我們的設計使得傳感器可以補償其它部分可能產生的噪音,從放大信號的像素放大器到內存和轉換器等。The amplification characters of er3 + / yb3 + co - doped fiber are studied in our experiments. when the doped fiber length is 50cm, the amplified signal power is 170mw and the gain is 12. 2db in the case of signal power of 10. 8mw and pumping power of 2. 5w
本論文著重研究了採用一級放大時,信號光在雙包層光纖中的放大特性,截取50cm的光纖,在輸入泵浦光功率為2 . 5w ,信號光功率為10 . 8mw時,獲得了170mw的放大信號光輸出,增益為12 . 2db 。The pulse - peek sampling and adc module is able to catch a single and very narrow pulse in order to sample its peek value without being influenced by other pulses or noise. the pulse - peek sampling and adc module can also adapt itself to different rising edge of pulses, so it can scale different types of explorers made by our research institute
X射線探測器定標分析系統的前端脈沖峰值採集及其轉換電路能夠實現單個快速脈沖的捕捉及對不同脈沖上升沿陡緩的適應,它對不同傳感器的放大信號特徵都有很好的適應性,對脈沖峰值采樣的結果具有很高的精度。In order to expand the signal the dynamirange, the low voltage operational amplifier usually needs the input signal scope and the output signal scope to be able to achieve the entire amplitude, in view of this question, this article discusses as follows : one is designed with ab rail - to - rail output stage
為了擴大信號的動態范圍,低電壓運放通常需要輸入輸出的信號范圍能達到全擺幅。針對這個問題,本文做了如下工作: 1 )設計了一個是包含ab類軌對軌輸出級的低功耗運算放大器。Large signal amplifier
大信號放大電路分享友人