測向器 的英文怎麼說
中文拼音 [cèxiàngqì]
測向器
英文
direction finder，df-
The characters of this device were high sensitivity, wide - angle warning resign, accurate azimuth angle of the coming laser and low wrong - warning rate
此激光預警器的特點是靈敏度高、視場寬、測向精度高，且虛警率極低。Then following reality constituent of engine and connecting component interface, a nonlinear signal cylinder engine model has been created, though fire interval and fire order, a control - oriented four cylinders engine is build. following dynamometer is seen as load, performance of engine is simulated and researched under the condition of constant torque and speed, validation of the math and simulation model have been confirmed by comparison result between simulation with test result of engine performance simulation software dyno
按照發動機的實際組成，根據各部件的介面類型連接模型庫中的部件，建立了單缸發動機非線性模型，在此基礎上，依據發動機實際發火間隔和順序，建立了面向控制的四缸汽油機模型，並以測功器為負載，通過恆轉矩和恆轉速方式進行了發動機性能模擬和研究，模擬結果和發動機動力性能模擬軟體dyno測試結果的對比驗證了數學模型和模擬模型的正確性。Huber diffraktionstechnik gmbh & co. kg deals in turntables, goniometer as well as in cradles weighing
為您提供關于量角器、測角計、測向器和機械操縱的信息。The enterprise beijing zhongke moshi dafang science and technology co., ltd. offers among other things goniometer and machine control
公司專業從事量角器、測角計、測向器、評判以及反射器和視頻照相機業務。The 3d coordinate measurement machine form usa, universal tool microscope from germany, intellectual flatness check device, metalloid graphic analyzer, electric and pneumatic measurement instruments and high performance steering test equipment ensure the products quality and play the important role for the products development
從國外進口的三坐標測量儀、德國萬能工具顯微鏡、智能平面度檢查儀、金相圖像分析系統、電動量儀、氣動量儀和日本的高性能動力轉向系統試驗設備，保證動力轉向器的性能質量。Automatic radio direction finder
無線電自動測向器Focusing on the tactical index of ew system - bearing accuracy, this article makes deep - through analysis, comparison and study of the theory basis for traditional direction finding method. a 16 - channel monopulse amplitude - comparison direction finding method and new phase - delay estimating method has been proposed to use, through computer ' s analog computation and relative measures in actual engineering practices, the bearing accuracy of traditional method has been increased and the service requirement of the ew weapon system and adaptability of equipment satisfied
本文圍繞著電子戰武器系統的戰術技術指標?測向精度，對傳統的測向方法的理論基礎進行了深入的分析、比較和研究，提出了採用16通道單脈沖比幅測向體制和新的相位延時估算方法，通過計算機的模擬摸擬計算，以及在實際的工程實現中採取的相關措施，解決了採用傳統的測向方法提高測向精度，滿足電子戰武器系統的戰術技術指標要求和裝備的適裝性。In the paper, on the basis of research of static state and transient state in the scr and series connection valve circuit, the high voltage scr changing current valve device has been developed for ac - dc - ac high voltage commutatorless motor. the series connection valve circuit has been designed and simulated. the hardware design and software programming of trigger pulse system and monitoring system in the photo - electronic - photo fashion has been completed
無換向器電動機在火電廠等工礦企業的電機調速節能領域中有十分廣闊的應用前景，本文在對晶閘管元件和串聯閥電路的靜態特性和動態特性研究的基礎上，研製了用於交直交電流型高壓無換向器電動機的高壓晶閘管換流閥裝置，進行了串聯閥電路的設計和模擬，完成了電光電方式的觸發脈沖系統和監測系統硬體設計及軟體編程，並進行了裝置的實驗調試。Far away in a storm-location center, a radio-locater can pinpoint the lightning stroke.
在遠處的暴風探測中心，無線電定向器能準確地給閃電定位。In the first part, the basic knowledge of particle scattering in meteorology and physics was introduced. the particles to be discussed include aerosol particles, fog droplets and raindrops and the em wave band in the discussion is near - infrared. in the second part, the mie theory was briefly reviewed and was applied to investigate the scattering characteristics of spherical atmospheric particles, the result shows that in the visibility measurement meter using forward - scattering method, when the working wavelegth is between 0. 8 m ~ 2 m, the scattering angle is between 25 ~ 40, the distinguishability and the relative scattering intensity would be better than those under other conditions. in the third part, the superellipsoid was used to describe a wide range of shapes such as spheres. ellipsoids and cylinders. an improved t - matrix method which can be used to calculate arbitry shaped particle ' s scattering field was introduced, and the scattering characteristics of non - spherical atmospheric particles was investigated with this method
計算結果表明，從相對散射強度、同一方向上不同粒子散射的可區分程度來看，在散射式能見度探測儀器中，工作波長介於0 . 86 m 2 m ，探測角度選取前向25度40度時，探測的結果將會是比較理想的。第三部分中，使用超橢球方程來統一描述各種非球形粒子的形狀，然後使用t矩陣方法計算了一些形狀的非球形粒子的近紅外散射特性。另外，在本文中還針對球形粒子的散射場提供了一種三維可視化方法，使對散射場強度的空間分佈的理解更加簡單，直觀。On our role we have a total of thirty - five employees. our company has departments, management and production. our company s goal is to manufacture technologically products of high quality and reliability
為配合客戶及市場，品質成本交期需求導向，先期階段投入高精密度的生產設備與量測儀器同步導入生產之每個工程。However, df pre - processing is not required in a interferometer direction finder. it only makes use of the phase relations or differences of sensors disposed at different position. azimuth and elevation are caculated from the phase differences or displayed directly on a crt drived by the voltage or current from the phase differences
干涉儀測向不必進行測向信號預處理而是直接或間接求取在空間上分開的傳感器上感應電勢之間的相位關系，即干涉相位差，方位角或仰角是直接由干涉相位差計算得到，或將兩基線正交的天線陣的干涉相位差轉化為驅動電壓（電流）分別加到crt陰極顯示器的垂直偏轉線圈和水平偏轉線圈，模擬顯示出來波方位，干涉儀測向為典型的相位測向方法。The method that increases the attitude accuracy of strapdown inertial attitude and heading reference system ( siahrs ) with the infromation from inertial measurement unit ( imu ) its own is studied. according to the design idea of damping network in platform type, damping kalman filter in siahrs is designed to enhance the attitude accuracy via integrating attitude calculated by common siahrs and that estimated by accelerometers. in order to evaluate the effectiveness of damping attitude, the vehicle ' s movement should be detected in real - time. for this reason, the state chi - square test is employed in the damping kalman filter, and the failure detection vector are tested, which improves the sensitivity and reliability of failure detection. finally, static and dynamic experiments of actual system demonstrate the effectiveness of the proposed method
本文探討了如何利用慣性測量組合本身的信息來提高捷聯航姿系統的姿態精度.根據平臺式阻尼網路的思想，設計了捷聯式內阻尼卡爾曼濾波器，將慣導系統捷聯解算獲得的姿態與加速度計估計的姿態進行組合，在系統非加速度狀態下，提高了姿態輸出的精度.為了實時監測系統的運動狀態從而判斷內阻尼姿態的有效性，本文成功將狀態2檢驗法應用在內阻尼卡爾曼濾波器中，設計了基於2個狀態傳播器的故障監測器，並通過對故障檢測向量元素的檢驗代替對整個向量的檢驗，提高了故障監測的靈敏度和可靠性.最後，實際系統的動靜態實驗驗證了本文所提出的方法的有效性The prediction control problem for discrete time - delay system and continuous time - delay system with sinusoidal disturbance is concerned in this paper. chapter 3 is to remove the time - delay from a discrete system with control time - delay by predictive control. the state predictive observer and optimal predictive controller for the discrete delay system based on a state space model are presented
對于離散時滯系統，本文第三章通過構造預測模型所得的系統輸出預測向量和系統的控制向量，為系統設計了全維狀態預測觀測器（ spo ） ，並將該狀態預測觀測器應用於多步預測控制，根據最優控制理論，構建了全維模型預測控制器。Airborne direction finder
航空測向器Code of practice for design and installation of directional sounder evacuation systems
定向測音器抽空系統的設計和安裝實施規程Methods of measurement for equipment used in terrestrial radio - relay systems - part 2 : measurements for sub - systems - section two : measurements in the antennas and passive repeaters
地面無線電接力系統所用設備的測量方法第2部分:分系統的測量第2節:天線和無源轉向器的測量Test system of rocket artillery directional unit ' s electrical steering characteristic
火箭炮定向器電動操瞄性能檢測系統研究With the development of technology, we have to develop new type test - bed. in this paper, according to the auto - industry criterion of china ( qc / t 529 - 2000 and qc / t 530 - 2000 ), the power steering gear test - bed ' s control system, which was based on industrial control modules, was developed after analyzing the theory of the power steering gear. this research has obtained the following innovative results
作者依據中華人民共和國汽車行業標準qc t529 - 2000 （汽車動力轉向器總成臺架試驗方法）和qc t530 - 2000 （汽車動力轉向器總成技術條件） ，在掌握動力轉向器原理和性能的前提下，基於工業控制計算機和普通工控模塊，參與設計並開發了動力轉向器試驗臺測控系統。Standard test method for using a rolling inclinometer to measure longitudinal and transverse profiles of a traveled surface
用滾動測斜器測量移動表面縱向和橫向斷面的標準試驗方法分享友人