differential bit 中文意思是什麼

differential bit 解釋
差動式鉆頭
  • 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...
  • bit : n 1 少許,一點兒,一些;(食物的)一口,少量食物。 〈pl 〉 吃剩的食物;小片。2 〈口語〉一會兒,一...
  1. The three - order modulator has a 2 - 1 cascaded structure and 1 - bit quantizer at the end of each stage, the modulator is implemented with fully differential switched - capacitor circuits. and then, the discussion will begin by exploring the design of various circuit blocks in the modulator in more detail, i. e., ota, switched - capacitor integrator, quantizer, two - phase non - overlapping clock signal, etc., at the same time, these circuits will be simulated in spectre and hspice. at last, the whole cascaded modulator will do behavioral level simulation by matlab soft and simulink toolbox

    本論文中,首先介紹模數轉換器的各種參數的意義,以及一階sigma - delta調制器和高階sigma - delta調制器的原理;給出解決高階單環sigma - delta調制器不穩定性的方案,引入級聯結構調制器,特別針對級聯結構調制器中的失配和開關電容積分器的非理想特性進行詳細的討論;本設計的sigma - delta調制器採用2 - 1級聯結構和一位量化器,調制器採用全差分開關電容電路實現;同時對整個調制器的各個模塊進行了電路設計,包括跨導放大器、開關電容積分器、量化器、兩相非交疊時鐘等,並利用hspice和spectre模擬工具對這些電路進行模擬測試;最後,利用matlab軟體和simulink工具對整個級聯調制器進行行為級模擬。
  2. Our study concentrates on the birthday attack, the length extension attack, the differential analysis, the message modification method, the multi - collision attack, the fixed point attack and the neutral bit attak

    重點介紹了其中幾種起關鍵作用的攻擊技術:生日攻擊、長度擴展攻擊、差分分析技術、多沖突攻擊、消息修改技術、固定點攻擊和不相關位攻擊技術。
  3. This thesis researched the time synchronization method for 2d - ss system, and deeply discussed the bit error rate ( ber ) performance of multicarrier domain spread spectrum chip - level differential detection ( mc - ss - cldd ) in the presence of multi - user interference

    本論文從多載波擴頻通信系統出發,提出了廣義二維擴頻系統的同步演算法,並對多載波頻域擴頻碼片級差分檢測技術在多用戶情況下的系統性能進行了深入的研究。
  4. Along with the progress of drilling technology, many new types of bha such as steering motor assembly, dropping assembly with eccentric bend sub, dropping assembly with flexible connection are developed based on common building, dropping and holding assemblies. for using these bha, a new mathematical model is put forward for 3d static analysis of these types of bha under small deflection. and its weighted residual solution is given. the mathematical model includes ( 1 ) differential equations ; ( 2 ) boundary conditions at drill bit, stabilizer, bend angle, diameter change, tangential point and borehole wall ; ( 3 ) lateral forces and deflection angles of bit. the software based upon this method runs well

    為了更好地應用各種新鉆具,建立了適用於對普通下部鉆具、導向鉆具、帶偏心彎接頭和柔性接頭的下部鉆具進行三維小撓度靜力學分析的數學模型,包括( 1 )微分方程; ( 2 )鉆頭、穩定器、彎角、變截面、切點和井壁的邊界條件; ( 3 )鉆頭的側向力和鉆頭轉角.給出了該模型的加權余量解.用該方法編寫的軟體應用效果良好
  5. Through analyzing strata ' s absorbtion and attenuation, the specialty of ssf in system - one ( two ) and 24 - bit a z a / d, the scheme to improve the data acquisition system is brought forward including the design of multiple differential spectrum equilibrium filter ( mdsef ) and program control amplifier

    通過詳細分析地層的吸收衰減特性, system - one ( two )頻譜整形濾波器及24位a d的特點,對現有採集系統提出了改進方案。其中包括對多級微分頻譜均衡濾波器的理論設計,程式控制型前置放大器的理論分析與設計。
  6. Telecommunications - digital processing of voice - band signals - line format for 32 - kbit s adaptive differential pulse - code modulation channel - control templates and robbed - bit signaling alarm transmission

    電信.音頻信號的數字處理. 32 - kbit s自適應差動脈沖代碼調制adpcm用線路格式
  7. ; ansi t1. 302a - 92 telecommunications - digital processing of voice - band signals - line format for 32 - kbit s adaptive differential pulse - code modulation channel - control templates and robbed - bit signaling alarm transmission ; supplement t. 302a - 1992

    電信.音頻信號的數字處理. 32k位秒自適應差動脈沖代碼調制的行格式
  8. 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。
  9. For the 8 - bit clamp circuits mainly including an 8 - bit dac ( digital analog converter, which can be shown as d / a ), which function with a matching an op amp that turns the single ended signal to a full differential, so it is the point emphasized in this paper

    因為8 bit箝位電路最主要由一個8位的d / a ( digitalanalogconverter可簡寫為d / a )和一個與之相配的單端變全差分信號的運放來實現。因此,這也是本文著重論述之處。
  10. The phase shifter circuit consists of five digital bits corresponding to differential phase shifts of 180, 90, 45, 22. 5 and 11. 25 cascaded in a linear arrangement. the three lower phase shift circuits are of loaded - line type, in which the 11. 25 phase shift bit use a single loaded - line configuration. the 90 and 180 phase shift bits are of reflection type, using lange coupler to realize the separation between the incident and reflection signals

    移相器電路由五位移相電路級聯而成, 11 . 25 、 22 . 5和45移相電路為加載線型,其中11 . 25採用了單加載線形式; 90和180為反射型移相電路,使用蘭格耦合器實現輸入、輸出信號的隔離。
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