測距濾波器 的英文怎麼說
中文拼音 [cèjùlǜbōqì]
測距濾波器
英文
range-finder filter- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 距 : Ⅰ名詞1 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
- 濾 : 動詞(除去液體雜質) filter; strain
- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 測距 : range [distance] finding; distance measurement; ranging; stadiometry
- 濾波器 : [電子學] electric filter; (electric) wave filter; filter
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The concept of irradiance signal - to - noise ratio ( snr ) on the target plane and the minimum of the irradiance that can be detected by the detector was taken as the beginning, combined with a thorough analysis of the spectrum radiating feature of the target and the sky background, the atmosphere conditions, spectral filtering and the influence that the various components in the system have on the target irradiance on the detector ' s target plane and the background irradiance snr, the equation of the flying bomb ' s effect range affected by the point of burst measuring system is made, and all related factors that have an impact on the effect range are analyzed as well
從探測器靶面上輻照度信噪比的概念、探測器的可探測輻照度最小值出發,在詳細分析目標、天空背景的光譜輻射特性、大氣條件、光譜濾波技術以及系統各環節對探測器靶面上目標與背景輻照度信噪比的影響的基礎上,推導了炸點測量系統對爆炸的飛行彈體的作用距離方程,分析了影響作用距離的諸因素。Therefore, according to the mobility of the aircraft, the present study builts a multi - static location system, which uses the measurements detected by active or passive airborne sensors, when the aircraft is at the different positions. this study proposes two methods for locating sonobuoys. the first one is using aircraft - to - buoy slant range information
根據飛機的機動性,本文構造了使飛機到達不同點獲取相同的測量信息而實現定位的多基地定位系統;依據機載有源無源探測器所能獲得的測量量,提出了兩種定位方法:斜距離測量定位法和基於卡爾曼濾波的方位測量定位法。By analyzing the refraction 、 reflection process of fault transient current traveling wave of high voltage and characteristics of refraction 、 reflection coefficient systematically, a new fault location method of single ended traveling wave is presented. it can not only identify the reflection wave for fault location efficiently, but also not be affected by the structure and length of line. fault earthed resistance 、 fault type 、 system impedance and can locate fault in adjacent areas accurately
論文深入地分析了高壓線路故障暫態電流行波的波折、反射過程以及折、反射系數的特點,提出了新的單端行波故障測距方法,它不僅能夠有效地識別出測距所用的反射波,而且幾乎不受線路結構、長短、故障接地電阻、故障類型、系統阻抗的影響,在近區仍可以準確地進行測距;同時模擬阻波器的特徵,設計了低通數字濾波器,對通過了低通數字濾波器的暫態故障電流行波再次進行小波分析,並利用本文提出的單端行波故障測距方法進行故障定位,結論是所提出的測距方法在實際應用中仍是有效的。Conventional detector ( single - user matched filter ) distinguishes each user by the crosscorrelation of their spread - spectrum codes. in practice, however, its performance is much deteriorated due to the existence of noise in channel and strong multi - access interference, i. e. near for effect. a new method using independent component analysis is proposed in this paper. the - received energy of signals is controlled effectively, thus the near - far effect is overcome as much as possible ; moreover, the effect that noise imposed on the detector is mostly reduced. simulations verify the effectiveness of this method
傳統檢測器(單用戶匹配濾波)利用擴頻碼之間的互相關特性來區分各用戶信號.而在實際應用中,通道噪聲和近距離用戶對遠距離用戶的強多址干擾即遠近效應,使得接收機的性能受到很大影響.本文將獨立分量分析法引入傳統接收機,有效控制接收信號的能量,從而極大地提高了接收機的抗遠近性能,同時噪聲的影響被盡可能消除.模擬結果表明了該方法的有效性和可行性Thirdly, analyzes the math characteristic and the math model of ultrasonic sensor. for overcoming its uncertainty, by investigating the working mechanism and characteristic of sonar, a sonar data filtering method is presented
針對超聲傳感器存在的不確定性,在深入分析超聲測距工作機理和工作特性的基礎上,採用一種超聲數據濾波的方法,以克服超聲測距的不確定性。The closing velocities between two spacecrafts are very slow during docking. such a motion is well defined using an appropriate acceleration model. kalman filtering techniques can thus be utilized to improve tracking accuracy
考慮在近距離段兩飛行器之間的相對速度很慢,利用卡爾曼濾波器來對目標器的狀態量進行預測和濾波處理。Case 1 : when there is no relative measurement, each satellite uses its own on - board attitude sensors to determine its attitude, and exchange the information through the communication link between formation satellites, and then the relative attitude is determined through simple mathematical operation. case 2 : based on the range measurements of gps like sensors, using two - point measurement of the relative orbit state to establish relative orbit and attitude kinematics and measuring equations. and state estimation is achieved through the extended kalman filter technology and unscented kalman filter technology, respectively
方案一,在星間無相對測量時,由衛星自身攜帶的姿態敏感器實現單星高精度姿態確定,利用星間通信鏈路進行信息交互,通過簡單的數學計算獲得星間相對姿態;方案二,利用類gps相對測量,建立了編隊衛星相對軌道運動和相對姿態運動模型及相對距離測量方程,推導了兩點相對軌道運動模型,設計了擴展卡爾曼濾波器及uscented卡爾曼濾波器,對相對位置、速度和姿態進行估計。And then, the different demands of position detecting on different light source and different distance are discussed. the different effects of position detecting on different circuit parameters and different center - filter frequencies are compared experimentally. after analyzing the factors that influence the speed and the precision of position detecting, the paper put forward the improving measures
本文對不同環境光照和不同測試距離下的位置測量要求進行了探討,對不同的電路匹配參數和不同濾波中心頻率的位置測量結果進行了實驗比較,認真分析了影響位置測量響應速度和精度的因素,提出了提高psd器件的抗雜光干擾能力和位置測量精度的措施。分享友人