millimeter paper 中文意思是什麼

millimeter paper 解釋
標紙
  • millimeter : n. 毫米〈千分之一米〉。
  • paper : n 1 紙;裱墻紙。2 報紙,報。3 收據;債券;證券;票據;匯票;鈔票(=paper money)。4 〈pl 〉身份...
  1. Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced

    混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗,以及許多微波測量系統中至關重要的部件。在現代通信系統中,毫米波頻段通常採用超外差接收機,混頻器作為第一級就成為關鍵部件。由於在毫米波頻段,同頻段高性能的本振源成本高,技術難度大,採用分諧波混頻技術是解決此問題的有效途徑,只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。
  2. Based on the principle of afm ’ s mechanism, with the needs of 6 - dof parallel robot with cubic millimeter movement space and nano - scale movement accuracy, and considering the openness, scope bound and reliability of the adjustment device, this paper build a super - exact device for the measurement of nona - scale surface

    本論文在借鑒原子力顯微鏡原理的基礎上,結合具有立方厘米級工作空間、納米級運動解析度的6 - dof並聯工作臺的實際測量需要,綜合考慮了系統的開放性、掃描范圍和調節裝置的可靠性,研製了面向納米測量定位的高精度表面納米級形貌測量樣機。
  3. This paper is a part of the important national defence research project - research on the technique of three millimeter pulsed radar

    本文是國防重點科研課題「三毫米脈沖雷達探測技術」的組成部分之一。
  4. In this paper, wavelet neural network is used to extract the signal feature of three millimeter pulsed radar, and the simulation is done by the computer

    本文將小波神經網路用於三毫米脈沖體制雷達回波信號特徵的提取並做了計算機模擬。
  5. This paper is a part of " active - passive millimeter - wave detector " that is a national defence key predicting projector

    本文是三十二基地「九五」期間研究課題「末敏彈試驗技術研究」的組成部分。
  6. The paper expatiates on the scheme and design difficulties of high power millimeter - wave transmitter which use new type high power millimeter - wave gyrotron

    摘要闡述了利用新型大功率毫米波器件迴旋管研製大功率毫米波雷達發射機的系統方案及設計難點。
  7. Through analyzing the principle of millimeter wave radiometer, the paper sets up the theory module of millimeter wave radiometer ' s output signal, measures the 3mm and 8mm band targets " radiation and scattering characteristic

    通過分析毫米波段輻射計的工作原理,建立毫米波輻射計輸出信號的理論模型。對3毫米、 8毫米波段目標輻射特性和散射特性進行測試,並對測試方法的可行性進行分析。
  8. In this paper, basing on many documents and the study of the former investigator, a new method of gps leveling being directly confirmed will be discussed in order to explore a method to improve precision ( which is centimeter or millimeter about the height anomaly ) of the engineering surveying, engineering construction and engineering research in the west mountainous districts of china ( for example yunnan province )

    本文通過大量參考文獻的綜述分析,在前輩研究的基礎上,主要研究我國西部山區(以雲南高原山區為例)確定gps水準的新方法,目的是為西部山區找到一種快速、實時、自動獲取適合於工程測量、工程建設及工程領域科研的精度達到厘米級甚至毫米級的高程異常。
  9. In the paper, the technique of millimeter - wave power - combining is discussed in detail. the methods of spatial power - combining are presented. according to the theory of electromagnetic, the characteristic of each method is analyzed

    本論文首先詳細介紹了目前應用較為廣泛的功率合成方式,包括電路級合成、準光學空間功率合成、開槽波導空間功率合成和波導內空間功率合成。
  10. For the operating frequencies of modern radars and guidance 、 electronic countermeasure system 、 communication system 、 remote sense and remote measurement system expand to millimeter band step by step, the operating frequencies of t / r module raise ceaselessly. simultaneity millimeter wave t / r module which has the advantages of small dimension, lightweight, wide band is more suitable to the requirement of modern army and communication system. this paper is mainly referred to the research of t / r module in ka band

    現代雷達與制導、電子對抗、通信、遙感遙測系統的工作頻率已逐步由微波波段擴展到毫米波波段,因此t / r組件的工作頻率也在不斷的上升,同時,毫米波t / r組件與微波t / r組件相比具有尺寸小、重量輕、頻帶寬等優點,更適合現代軍事和通信系統的要求。
  11. In this paper, based on the theoretical analysis of detector and modulator, the ka - band millimeter - wave short pulse detector and modulator are designed

    本論文在對檢波器和調制器進行理論分析和研究的基礎上,分別設計了ka波段毫米波短脈沖檢波器和調制器。
  12. The adaptive signal processing technology is a rising science embranchment, which composed with many subjects and fields. in this paper, application of the adaptive filter to elimination of the leaked triangular wave and the adaptive signal processing of the fmcw millimeter - wave radar system is studied thoroughly. the use of an adaptive filter offers an attractive solution to the problem as it usually provides a significant improvement in performance over the use of the conventional methods

    在系統的自適應信號處理研究中,系統實現採用稱為自調諧濾波器的自適應對消器,結果表明,在自適應過程結束后,利用該方案可以得到和原始攜帶信息的理想干弦波十分近似的正弦波輸出,其誤差是一個具有很小振幅的隨機過程,具有很好的濾波效果。
  13. According to the need of task, it is stated in this paper that how to program cpld with vhdl, how to design and make the ranging circuit of three millimeter pulsed radar

    根據課題的需要,本文用vhdl語言對cpld編程,設計並製作了一個用於三毫米脈沖雷達的測距電路,實現了減小體積和提高測距精度的目的。
  14. Transmit / receive ( t / r ) modules is the base of the modern radar. the paper puts forth a design scheme according to the target including t / r switch, up conversion, power amplified, low noise receive and down conversion. the dimension is restricted to 106 89mm through scheme comparison and the existing experiment condition, the final products arrive at the target we expect with millimeter hybrid integrated circuit

    收發t / r組件在當今雷達系統中佔有舉足輕重的地位,本文根據設計指標提出了毫米波前端的設計方案,系統功能上要求完成收發雙工、上變頻和功率放大、低噪聲放大和下變頻功能,外形尺寸為106 89mm ,通過綜合方案比較,結合自身條件,選取了毫米波混合集成電路形式。
  15. The test results demonstrated the feasible of the scheme. the technique researched in this paper will largely simplify the equipment of modulation and demodulation, and may find its application in millimeter wave in high - speed data communication link

    與中頻調制方案和一般直接射頻調制方案相比,本文所採用的技術大大簡化了調制/解調設備,同時保持了優良的性能,對毫米波高速數據通信鏈路應用具有較大的優越性和廣闊的前景。
  16. In modern microwave and millimeter wave communication systems, the low phase noise frequency sources have the key effects in the systems ’ performance. especially in the national defence, the effects are more obvious. so in this paper, a method to realize the low phase noise x - band frequency source has been proposed, designed, produced and tested

    在現代微波、毫米波通信系統中,低相噪頻率源對系統性能起著非常關鍵的作用,特別是在軍事國防上,這種關鍵的作用更加明顯,為此在本論文中,就如何實現x波段頻率源的低相噪性能,給出了一種設計方法並對其進行了實現。
  17. 6 another important part of this paper is the adaptive signal processing of the fmcw millimeter - wave radar system

    6針對fmcw毫米波雷達本身的特點和要求,深人研究了fmcw毫米波雷達系統的自適應信號處理技術。
  18. In this paper the model of pill flying outer ballistic trajectory is established, and the aerodynamic force calculating method is given. the author set forth the relation of small caliber gun currency firing table and ballistic trajectory consistency, and give testing relation formula of small caliber gun cartridge ballistic trajectory consistency ; at the condition of navy 37 millimeter gun, the design of improved shrapnel currency firing table project is studied ; the data of shooting experimentation is analyzed, and have contrast analysis with theory calculating result. give better improved shrapnel project, and the ballistic trajectory consistency experimentation show that the project satisfy the request of the ballistic trajectory consistency

    本文應用了彈丸飛行時的外彈道模型並結合彈丸的氣動力計算方法,分析了小口徑艦炮通用射表與彈道一致性的關系,並給出了小口徑艦炮彈藥彈道一致性的檢驗關系式,研究了在海37艦炮的條件下對改進榴彈通用射表方案的設計,進行了對空射擊試驗數據的分析,並與理論計算結果進行了對比,給出了相適宜的改進彈方案,並經彈道一致性試驗驗證該方案滿足彈道一致性要求。
  19. Measurement accuracy of phase - shift laser range finders is up to millimeter level in large range through multi - frequency modulation and high precision phase difference measurement. however, laser range finders existing is not suitable for large range high speed tracing measurement for their complex multi - frequency modulation circuit and conflict between precision and speed in phase - shift measurement. in order to improve the large range measurement speed and accuracy, key technologies on multi - frequency modulation and high precision phase - shift measurement are deeply researched in this paper

    相位法激光測距採用多頻調制和高精度的相差測量技術可以在大范圍內實現毫米甚至更高精度的測量,但現有的測量裝置由於存在多頻調制電路復雜和沒有很好的解決相差測量的高精度和快速測量之間的矛盾問題,使得相位法激光測距很難應用於大范圍目標快速的跟蹤測量。
  20. The theory and design of the balanced converter, fin - line waveguide bandpass filter, waveguide to microstrip transition and millimeter - wave amplifier are studied in this paper. finally the paper presents the structure and the simulated result of each module

    本文對組件中的平衡上變頻器,鰭線波導帶通濾波器,波導微帶轉換結構以及毫米波信號放大器的原理和設計進行了討論,並給出了電路結構,模擬結果。
分享友人