field amplifier 中文意思是什麼
field amplifier
解釋
磁場放大器-
Limit cycle oscillating and chaos of the radiation field in a traveling wave tube amplifier
行波管放大器中輻射場的極限環振蕩和混沌 -
This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。 -
Simulation and modeling of self - modulated re - entrant beam crossed - field amplifier
自調制重入式正交場放大器的模擬設計 -
Measurement of the electrical properties of microwave tubes. part 9 : crossed - field amplifier tubes
微波管電性能的測量.第9部分:正交場放大管 -
A novel amplifier chain which is composed of the forward wave crossed - field amplifier ( cfa ) driven directly by solid state amplifier ( ssa ) is better in performances and reliability compared with traditional three stage chain which is composed of " ssa + twta + cfa "
摘要採用固態放大器直接驅動前向波管的新型放大鏈與「固態-中功率行波管-前向波管」三級放大鏈相比較，具有更好的性能指標。 -
The magnetic field requirement of the sth harmonic gyroklystrons over cyclotron resonance masers ( crms ) would be reduced by a factor of s relative to operate on the fundamental cyclotron frequency, so that the amplifier could be applied to highly mobile millimeter wave radar systems
基於電子迴旋諧振脈塞原理工作的諧波迴旋速調放大器的工作磁場強度是基波的1 / s （ s是諧波數） ，因而能適用於機動性較高的軍用毫米波雷達系統。 -
Measuring methods of crossed field amplifier tubes
正交場放大管測試方法 -
This paper presents an adaptive control for the semi - active suspension using the combination of mr damper and feedback neural networks. analyzing the mr damper, a smart actuator, chapter 3 gives the design of pre - amplifier of current, which provides the external magnetic field. and it discusses the additional nonlinear stiffness resulted from the transition of mr fluid from liquid to semi - solid or solid
在分析新型智能材料用做作動器的磁流變阻尼器特性的基礎上，本文給出阻尼器線圈的前置電流放大電路，並討論了因磁流變液體固液態之間的可逆變化而產生的懸架系附加非線性剛度。 -
The focus, field of view and transmissivity of the optical system of the receiver are analyzed. a high - speed transimpedance amplifier circuit is designed with optimized noise. through the noise model
設計了一種噪聲優化的高速跨阻前置放大電路，根據跨阻放大電路的噪聲模型詳細分析了輸出噪聲電壓、信噪比和信號動態范圍。 -
Which include magnetic - field probe, wide - band amplifier, transmission cable and its compensator
該系統包括磁場測量探頭、寬帶信號放大器、信號傳輸電纜和補償器等。 -
The selection of power amplifier used in rf electromagnetic field immunity test
射頻電磁場輻射抗擾度系統中的功放選擇 -
Secondly, we present the set of nonlinear partial differential equations that describes the wave - particle interaction, by analyzing the output power spectrum, the limit cycle and chaotic oscillation of the radiation field in the traveling wave tube ( twt ) amplifier and the magnetically insulated transmission line oscillator ( milo ) are studied numerically, respectively
接著，在論文的第三章和第四章我們從導出了一組用於描述場和電子相互作用的非線性偏微分耦合方程組開始，利用頻譜分析法，以行波管（ twt ）放大器和磁絕緣傳輸線振蕩器（ milo ）為例，數值研究了o型器件和m型器件中場的極限環振蕩和混沌行為。 -
Threshold analysis for the limit cycle and chaotic oscillation of the radiation field in a traveling wave tube amplifier
行波管放大器中場極限環和混沌行為的閾值分析 -
Coupling efficiency not only affects fiber communication relay distance, but also affects the performance of edfa and semiconductor light amplifier ( sla ). so it is very important to improve coupling efficiency and reduce its cost. according coupling theory, the coupling of laser diode to single mode fiber is to meet the mode field diameter match and the phase match
它不僅直接影響光纖傳輸的中繼距離，而且對改善ld泵浦摻鉺光纖放大器（ ldp - edfa ） ， ld泵浦固體半導體激光器（ ldp - ssl ） 、半導體光放大（ sla ）等光通信器件及系統的性能上，在提高他們的性價比有著十分重要的意義。 -
After lots of papers related microgripper and microforce sensor consulted, a microgripper with 3 dimensional force sensor is presented from the point of microscopic field and according to the driving method. a micro displacement amplifier based on flexible hinges is designed, modeled and analyzed
在參閱了國內外大量微夾持器、微力傳感器的文獻的基礎上，從微觀領域的實際情況出發，以驅動方式為根據，提出了一種集成3 - d微力傳感的微夾持器的結構原型。 -
It is the first time to applying the digital audio amplifier technology to the amplification in rf field. a high efficiency linear am amplifier is developed successfully. it is a useful exploration
本課題首次將數字音頻功率放大技術引入射頻功率放大領域，成功實現了高效率線性功率放大器，在技術上做了有意義的嘗試。 -
This paper has analyzed the characteristics of near - field electromagnetic fields and the measurement principle of magnetic - field sensor, and designed probe, amplifier unit and compensator according to measurement needs. finally, based on the electromagnetic pulse simulator in the lab, a set of experiments have been done on the designed magnetic fields measurement system and analyzed the error of the measurement system
文中分析了近場電磁場分佈的特點；研究了磁場探頭的測量原理；根據實際測量需要製作了磁場探頭、設計了信號放大單元和用於補償電纜信號衰減的補償器；最後利用實驗室的電磁脈沖模擬器對所設計的磁場測量系統進行了一系列實驗，分析了系統的測量誤差。
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