differential gain 中文意思是什麼

differential gain 解釋
差動增益
  • differential : adj 1 差別的,區別的;特定的。2 【數學】微分的。3 【物、機】差動的,差速的,差示的。n 1 (鐵路不...
  • gain : vt 1 獲得;博得,掙得;贏得,打勝(戰爭、官司)。2 吸引;爭取…(到一邊),說服。3 (尤指通過努力...
  1. According to the application background and the dismatch between single antenna and differential lna, an active balun is needed and has been designed. then we put forward a design scheme that does co - simulation of an active balun and a differential lna on one chip together. at 2. 45ghz, this lna provides a forward gain of 28. 931db with a noise figure of 2. 485db, while drawing 19. 1ma from a 1. 8v supply

    從本設計的應用背景出發,考慮到單端天線與差分lna之間的不匹配性,設計了一個介於兩者之間的有源平衡轉換電路? balun ( balance - unbalunce ) ,並提出了將這個balun電路與前面設計的差分lna作為一個整體進行了模擬的設計方案。
  2. At the same time, the kangda corporation firstly faced the negative saleroom, the salesman sending in one ' s papers and the cost of marketing increasing and increasing. the key problem is that the existing no - difference marketing strategy can not adapt the change of market and the demand of culturist. so, kangda corporation need institute differential marketing strategy to guidance the future marketing work to decrease the marketing cost, enhance customer satisfaction, and advance the competition of company so that the company can gain the excess profit

    同時康大公司也遇到公司歷史上首次銷量負增長、營銷人員高流失、營銷成本大增等問題,原因在於現行的無差異化營銷策略不能適應市場變化和養殖戶的需求,故需要制定差異化營銷策略來指導未來營銷工作,以減少公司營銷成本,增加養殖戶和經銷商滿意度,提升公司競爭力,使公司獲得高於行業平均的利潤。
  3. In this thesis, we demonstrate the study of si - based light emitting materials and its importance in si - based photonics integration. we discussed mainly the gain, differential gain, threshold current of si - based quantum - dot laser and the dependence of threshold current on temperature from discrete energy level of three - dimension confined quantum - dot and state density distribution of 5 - function

    本文闡述了si基光發射材料的研究進展及它在硅基光電子集成中的重要地位,從三維受限量子點的分立能級和函數狀的態密度分佈入手,著重討論了si基量子點激光器的增益、微分增益、閾值電流及閾值電流的溫度特性。
  4. An instrumentation amplifier is a closed - loop gain block that has a differential input and an output that is single - ended with respect to a reference teminal. it must amplify the differential input acurately and suppress any unwanted common - mode signals

    儀表放大器是一種能精確放大兩輸入端之間的差模信號而抑制任何共模信號,並將差分輸入轉換為單端輸出的放大器。
  5. By means of comprehensive study of the whole process to derive the calculation of relative gain variation, a mathematical formula how to make a well - founded understanding and correct use of the differential calculation method when making every efforts to accurately calculate the relative variation of the closed - loop gain of an amplifier was advanced based on another accurate calculation method given

    因此,本文通過全面考察推導增益相對變化量的計算全過程,根據所給出的另一種準確計算方法,重點提出了在要求準確地計算放大器閉環增益的相對變化量時,怎樣正確理解和運用微分計算方法的數學表達式。
  6. The thesis has done the widespread investigation and study to the domestic and foreign ’ s technologies of analogy low voltage and low power, and analyzes the principles of work, merts and shortcomings of these technologies, based on the absorption of these technologies, it designs a 1. 5v low power rail - to - rail cmos operational amplifier. when designing input stage, in order to enable the input common mode voltage range to achieve rail - to - rail, it does not use the traditional differential input pair, but use the nmos tube and the pmos tube parallel supplementary differential input pair to the structure, and uses the proportional current mirror technology to realize the constant transconductance of input stage. in the middle gain stage design, the current mirror load does not use the traditional standard cascode structure, but uses the low voltage, wide - swing casecode structure which is suitable to work in low voltage. when designing output stage, in order to enhance the efficiency, it uses the push - pull common source stage amplifier as the output stage, the output voltage swing basically reached rail - to - rail. the thesis changes the design of the traditional normal source based on the operational amplifier, uses the differential amplifier with current mirror load to design a normal current source. the normal current source provides the stable bias current and the bias voltage to the operational amplifier, so the stability of operational amplifier is guaranteed. the thesis uses the miller compensate technology with a adjusting zero resistance to compensate the operational amplifier

    本論文對國內外的模擬低電壓低功耗技術做了廣泛的調查研究,分析了這些技術的工作原理和優缺點,在吸收這些技術成果基礎上設計了一個1 . 5v低功耗軌至軌cmos運算放大器。在設計輸入級時,為了使輸入共模電壓范圍達到軌至軌,不是採用傳統的差動輸入結構,而是採用了nmos管和pmos管並聯的互補差動輸入對結構,並採用成比例的電流鏡技術實現了輸入級跨導的恆定;在中間增益級設計中,電流鏡負載並不是採用傳統的標準共源共柵結構,而是採用了適合在低壓工作的低壓寬擺幅共源共柵結構;在輸出級設計時,為了提高效率,採用了推挽共源級放大器作為輸出級,輸出電壓擺幅基本上達到了軌至軌;本論文改變傳統基準源基於運放的設計,採用了帶電流鏡負載的差分放大器設計了一個基準電流源,給運放提供穩定的偏置電流和偏置電壓,保證了運放的穩定性;並採用了帶調零電阻的密勒補償技術對運放進行頻率補償。
  7. Based on these analyses, we see that the si - based quantum - dot laser has higher gain and differential gain, its threshold current is more lower and the threshold current is insensitive to temperature when si - based quantum - dot laser compares with normal semiconductor laser and quantum - well laser

    分析表明,與普通激光器和量子阱激光器相比, si基量子點激光器有更高的增益和微分增益,閾值電流更低,閾值電流對溫度更不敏感。
  8. The common - mode feed back ( cmfb ) circuit is realized by mos differential pairs which operated in saturation region so as to improve the loop gain of the cmfb

    共模反饋電路採用工作在飽和區的mos差分對來實現,提高了共模反饋迴路增益,加強對共模輸出電壓的控制。
  9. The 2 - stage differential transconductance amplifier is used in the design to achieve high gain. in the design of amplifier, a resister and a miller capacitor is used to deal with the stability and frequency compensation

    系統中採用差分跨導運算放大器的設計,為了保證其具備高增益與高穩定性,選用二級結構,並且增加了補償電容和電阻。
  10. Then we analyze the static character of sbs to obtain the sbs gain factor and threshold under continuous wave and pulse. because there is no stokes seed in fiber hydrophone system, we analyze the sbs based on the noise initiation of sbs model. we use the finite differential time domain method to do the sbs numerical simulation in fiber

    由於光纖水聽器中的sbs是在沒有種子光注入下產生的,於是我們推導了噪聲激發模型下描述sbs的耦合波方程組,對該方程組使用時域有限差分法進行了數值模擬,並推導了連續光和脈沖光下的閾值。
  11. Based on the nonlinear paraxial equation and b - t theory, a differential equation, which describes the small - scale self - focusing in gain ( loss ) media has been derived. the change rule of the maximal gain frequency, cutoff frequency and integral exponential gain have been analyzed approximately

    我們首先從非線性近軸波方程出發,基於b - t理論的思想,在考慮了介質的增益(損耗)特性的情況下,推導得出了小尺度自聚焦所滿足的微分方程,並通過近似方法分析了最大增長頻率、截止空間頻率及積分指數增益等的變化規律。
  12. Dg dp measurements of the electrical properties of transmitting tubes - methods of measuring the distortion in the chrominance signal due to the luminance differential gain and differential phase

    發射管電性能測試方法由亮度信號不同引起的色度信號失真
  13. 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。
  14. By the simulation results, it is verified to have excellent performance. a class of uncertain nonlinear systems which can be transformed into strict feedback nonlinear systems is investigated based on feedback linearization approach of differential geometry. an adaptive robust controller with l2 - gain is proposed by using backstepping technique. the numerical method is given and it is proved to be practical by simulation results. lt is a more practical method to solve hji for a special nonlinear system because the problem to solve hji is very difficult in general case, and only get the approximate solution when it can be solved. an effective method to solve hji is presented for a class of nonlinear system which is ordinary

    考慮到一般情況下,求解hji是非常困難的,並且也只能得到近似解,因此,在系統設計時,針對具體非線性系統的特殊結構以求解hfl是系統設計的一種行之有效的方法,基於以上考慮,對一類具有廣泛工程背景的非線性系統,提出了一種求解hfl的有效方法,便於實際應用。最後,從波能譜的角度,研究隨機海浪的模擬問題,給出了船舶橫搖模擬中需要的隨機海浪有效波傾角的模擬方法。
  15. For this, i adopt the new differential input stage to make input common mode range enlarged, and as far as possible not reduce its gain

    為此,採用了新的差分輸入級,使共模範圍增大,同時盡量不減少差分輸入級的增益。
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