無線電測定臺 的英文怎麼說
中文拼音 [wúxiàndiàncèdìngtái]
無線電測定臺
英文
radio determination station- 無 : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 臺 : 臺名詞(指臺州) short for taizhou (in zhejiang province)
- 無線電 : radio; wireless無線電愛好者 radio amateur; amateur radio; 無線電報警 radio warning; 無線電報務員 ...
- 無線 : wireless無線電報 wireless telegram; radiotelegram; 無線話筒 radio microphone ; 無線裝訂 unsewn binding
- 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
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In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage
我們對兩種正交調制方式( 16qam和4 - qpsk )進行了模擬工作並給出了模擬結果,同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試;然後在基於軟體無線電思想的數字處理平臺(該數字處理平臺實現了中頻數字化)上用dsp軟體完成了載波的相位跟蹤。The first upper - air sounding system using radiosondes was installed in 1949 at the observatory headquarters
天文臺於一九四九年在總部裝置首套無線電探空系統,用來測定高空氣象資料。Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment
在windowsnt系統環境和labview虛擬儀器技術開發平臺下,首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊,設計了一種對實驗所得數據進行曲線擬合的方法,對三種擬合方法進行了比較,曲線擬合結果表明,多項式擬合方法相對于其它兩種擬合方法效果更好;根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械振動形成的等效輸入阻抗,並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其電氣模擬網路參數;最後通過labview提供的網路功能,實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統,並探討了通過datasocket技術實現該系統網路化的方案。( 3 ) the features of the low frequency time - code receiver are digital, high performance and high precision. on the basis of the testing flat of low frequency time - code, we designed a low frequency time - code receiver based on software radio
在前面已經實現的低頻時碼信號測試平臺的基礎上,對設計一種基於軟體無線電模式的低頻時碼接收終端作了初步的探討,為今後的全數字化接收機的實現打下一定的基礎。The first upper air sounding system using radiosonde was installed in 1949 in the headquarters of the hong kong observatory
天文臺於一九四九年首次在總部裝置一套無線電探空系統,用來測定高空氣象資料。We hold the 40 advanced italian arrow - shaft looms and a 180 printing and dyeing producing line, and we successfully developed the special fabric as followed : flame retardant, flameproof and heat - insulation series, anti - static series, oil resistance and water repellency series, acid and basic resistance series, radiation protection series, dustproof and soil release series, anti - bacteria and odor proof series, without formaldehyde and permanent press series, etc. the features and technical index of our products have reached or exceeded national standard, and that these all have been tested, authenticated and certificated by the national supervising and inspecting center for labour protection articles and shaanxi supervising and inspecting center for textiles quality
在經營常規面料的基礎上,努力致力於新產品的研發推廣和應用,公司以控股形式擁有義大利劍桿織布機40臺, 180印染加工生產線一條,現已開發出:阻燃防火隔熱系列抗靜電系列抗油拒水系列防酸堿系列防電磁波輻射系列防塵易去污系列抗菌防臭系列無甲醛免燙系列等。產品的性能指標均已達到或優于國家標準,並由國家勞動保護用品監督檢驗中心和陜西省紡織品質量監督檢驗中心測試鑒定認可。Moreover, the demodulation is simulated with matlab to ensure the essential conditions for the detection system to run normally. ( 2 ) a simple and general hardware stage is built, on which the dpsk signal will be differentially demodulated and processed
在給定系統的技術指標基礎上,利用matlab對解調過程進行模擬,確定差分檢測系統正常工作需要滿足的條件; ( 2 )採用軟體無線電的思想,構造了簡單通用的硬體平臺,軟體完成dpsk差分解調和數字處理。We designs a communication protocol on this model, implementing many functions between host computer and radio, such as data transmission, radio management and control, status advertisement, etc. this paper uses the interface protocol, designs a radio link layer protocol, and implements the driver for the radio in linux operating system. after testing and measurement, we conclude that this interface protocol can be a model which uses ethernet interface as a transparent data channel
本文使用了此介面協議,設計了無線鏈路協議,並且在linux操作系統中以電臺驅動程序的方式實現了介面和鏈路協議,通過對驅動程序運行情況的測試,說明該介面協議對網路層協議而言屏蔽了以太網作為透明通道的事實,此協議介面模型的可以實現和完成既定的功能和目標。分享友人