指向脈沖 的英文怎麼說
中文拼音 [zhǐxiàngmàichōng]
指向脈沖
英文
marker pip-
First, based on phased array antenna ' s mono - pulse goniometry and separate coordinate technology about phase control, the antenna beam pointing error formula, caused by phase quantization error, is derived from linear array and circular array to planar array and cylindrical array
首先以單脈沖相控陣天線測角原理為基本理論出發點,利用相位控制的坐標分離技術,基於線陣、圓形陣等簡單形式的相控陣天線,推導了平面陣、圓柱面陣等相控陣天線由相位量化誤差引起的波束指向誤差公式。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 light of the pulse width of the radar wave, this paper deals with the difference and the relationship between the vertical resolution and the transverse resolution of the ground - penetrating radar, indicates the influence of the noise upon the resolution and, with practical examples, points out that the digital handling of the signal can greatly improve the resolution of the radar
摘要從雷達波脈沖寬度出發,闡述垂直解析度與橫向解析度的區別和相互關系,並同時指出噪音對解析度的影響,用實例說明訊號的數字處理能大大的改善解析度。The current models have phased out the g3 but continue to use the similar g4, both 32 - bit chips, running at various clock speeds ; the recently introduced g5 is a 64 - bit ibm chip that mostly adds some multimedia - specialized instructions to the power4 chip models
當前的g3型已經逐步被淘汰,取而代之的是類似的g4型,它們都是32位晶元,運行於不同的時鐘脈沖速度下;最近推出的g5是一款64位ibm晶元,主要是向power4型晶元中添加了一些多媒體專用指令。The antenna pointing control is open loop control without feedback. the antenna pointing errors due to antenna tracking motion and satellite attitude adjusting ( trusting ) were analyzed, as well as the influence of damping, tacking velocity and trusting time
文章分析了天線作跟蹤運動和星體作姿態調整時,對星體姿態控制精度和天線的指向精度影響,同時分析了阻尼、跟蹤速度、噴氣脈沖寬度等因素變化對動力耦合程度的影響。The paper advised that electronic control system could apply step by step. the writer believes that it is disadvantage to use high quality control system, because it is too expensive to use the electronic control system. the research puts forth a new electronic control system
空燃比的閉環控制輸入信號是節氣門位置傳感器和排氣氧傳感器,經過ecu計算處理后,向步進電機發出控制指令,利用步進電機的脈沖方向和步長改變向汽缸內的供氣量,形成對空燃比的閉環控制。The length between each unit is 0. 16m, and the whole hydrophone is 0. 52m long. in a normal cistern, the directivity and sensitivity of the hydrophone is tested with an impulse method
在非消聲水池中,用脈沖方法,採用測試信號頻率為4688hz , 5度為間隔,測得其指向性。This system provides pulse signal and direction signal to step motor driver by computer ’ s controlling step motor control card, and makes motor and guage ’ s pointer rotate. computer gets the micro displacement measured by grating measuring system via rs232 serial port, and acquires guage ’ s image by high precison ccd camera, then processes the guage ’ s image by software, including pre - processing, graying, binarization, thinning and hough transform, so as to recognize the position of guage ’ s pointer, finally calculates all kinds of precision on basis of algorithm established by national detecting rules of gauges
本系統通過計算機控制步進電機控制卡來給出步進電機驅動器需要的脈沖信號和方向信號,進而帶動電機驅動儀表指針轉動,計算機通過串口實時採集光柵測量系統的微位移信號,並且通過高精度ccd攝像機實時獲取表盤圖像數據,同時通過計算機軟體實現表盤圖像處理,包括預處理、灰度化、二值化、細化和hough變換等,最終快速識別出表盤指針的位置,並根據國家表類檢定規程所制定的演算法檢定出指針式儀表的各種精度。They pointed out that modulation wave fronts ( such as those in the front of a light pulse ) in a negative index material are aligned the same way as they are in a positive index material ? anything else would violate basic causality and require parts of the wave to travel with infinite velocity
他們指出在負折射率材料中調制波前(例如光脈沖前端的波前)的方向,與在正折射率材料中相同;若非如此,就會違反基本因果律,且部份波的前進速度將成為無限大。It shows that there is cointegration relationship between the economic growth rate and the m1 increase rate. then by using the cointegration, granger causality method, impulse - response analysis, vector error correction model with markov regime switching to test the equilibrium relationship in long run and the short fluctuation pattern in short run between the real output and m1 increase rate, it shows that monetary supply can affect the macroeconomic effectively, and the interest rate and stock market value can not affect the macroeconomic effectively
本文研究了經濟增長與貨幣供給量、利率、股票市場等貨幣中介指標的關系,得出經濟增長率與m1增長率具有協整關系的結論,在此基礎上使用協整分析、 granger因果關系檢驗、脈沖響應分析、具有markov區制轉移的向量誤差修正模型等最新的經濟計量方法,描述和檢驗了中國經濟周期波動過程中實際產出與貨幣供應量變動的長期均衡關系和短期波動模式。分享友人