radio frequency technique 中文意思是什麼

radio frequency technique 解釋
射頻技術
  • radio : n. 1. 無線電訊[電報，電話]；無線電，射電。2. 無線電廣播；無線電（廣播）臺。3. 收音機。vt. ,vi. 用無線電傳送[廣播]；（向…）作無線電廣播[傳送]；用X射線拍照；用鐳醫治。
  • frequency : n. 1. 屢次，頻仍，頻繁。2. （脈搏等的）次數，出現率；頻度；【物理學】頻率，周率。
  • technique : n. 1. （專門）技術；（藝術上的）技巧，技能。2. 手法〈如畫法，演奏法等〉。3. 方法。
  1. Zno thin films were deposited on silicon ( si ) and glass substrate by reactive radio frequency sputtering ( rf ) technique with zinc target in the mixed gas of ar ando2, and used zno buffer improving the quality of zno thin film. the effects of parameters on the thickness, composition, texture, morphology, optical properties and electrical properties of zno thin films had been systematically investigated by means of xrd, xps, sem, afm, pl and hall test system

    採用x射線衍射（ xrd ） 、 x射線光電子能譜（ xps ） 、掃描電子顯微鏡（ sem ） 、原子力顯微鏡（ afm ） ，光致發光譜（ pl ）和霍爾效應測試技術系統研究了濺射工藝和退火工藝對zno薄膜的厚度、成分、織構、表面形貌、光學性能和電學性能的影響規律。
  2. Chapter 2 sets forth the structure of if ( intermediate frequency ) digital software radio, the critical theory of software radio and the signal processing technique about it

    第二章介紹了中頻數字化軟體無線電的結構，並闡述了軟體無線電的關鍵理論和軟體無線電中的信號處理技術。
  3. Since the envelope of modulated signal fluctuates, these methods generate unwanted intermodulation distortion ( imd ) products in a nonlinear radio frequency ( rf ) power amplifier ( pa ). so it is necessary to use linearization technique to reduce the adjacent channel interference ( aci )

    但包絡變化的調制信號經過非線性射頻功放后會產生交調分量，因此必須採用線性化技術來減少由此產生的鄰道干擾。
  4. Our object is an intermediate frequency modem of a software defined radio transmitter - receiver of multi - service, multi - modulationmode and multi - processdatarate. first, related software defined radio theory is introduced ; later, channels of transmitter - receiver are designed with consideration of data format, modulation, fec, interwaving. and scrambling ; emphasis is placed on theory and implementation of an audio compression algorithm cvsd ( continuous variable slope delta modulation ) and a fec technique convolutional coding - decoding

    本文首先介紹了相關的軟體無線電理論；然後完成了包括數據格式，調制方式，糾錯碼方式，交織器和擾碼器等部分的中頻數據機通道設計；接著著重介紹了系統中使用的音頻壓縮演算法cvsd （連續可變斜率增量調制）的原理和實現，以及作為前向糾錯碼的卷積碼編碼理論和編解碼的高效實現。
  5. Along with the development of the technology of the wireless communication particular the modern modulation and software radio technique, meantime the employ of wireless frequency are more presser, the development of the receiver tend towards high performance and high integration

    隨著無線通信技術特別是現代調制體制和軟體無線電技術的快速發展，且無線頻譜的擁擠程度日益加劇，無線電接收機在設計和實現上越來越趨向于高性能、高集成度方向。
  6. The communication media can be power line, infrared, radio frequency, twistedpair, etc, among which power line communication technique is discussed

    物理介質可以採用電力載波、紅外線、無線電、雙絞線等。本文主要論述採用電力載波的信息編碼格式，載波擴頻技術等。
  7. According to development of inland and abroad, a new measurement method has been put forward that make use of the periodic characteristic of the phase difference between two arbitrary frequency signals. in the light of lissajous graph, we complete comparison of radio frequency and microwave with 105 rates relationship in technique. on the ground of common characteristic of frequency signals, this method can be developed to comparison of microwave frequency and optical frequency to accomplish optical frequency measurement

    根據國內外的情況，提出一種新的測量方法：即利用任意頻率信號之間都存在著相互相位差周期性變化的現象，根據李沙育圖形的原理，在技術上完成了射頻到微波信號之間成10 ~ 5頻率關系的比對，再根據頻率信號的共性，將此方法推廣到微波到光頻信號之間的比對，以完成對光頻的測量。
  8. With the development of modern industry and technology, some conveying and manipulating operations in non - contact mode need the suspension technology in the fields of guiding system, material processing, micro - electronics and semi - conductor industry and so on. therefore, it is of great importance to develop the suspension technique. there have been some conventional suspension methods at present, among them, magnetic levitation, acoustic levitation, aerodynamic levitation, optical levitation, radio - frequency levitation, electric levitation and super - conducting levitation

    隨著現代工業與科學技術的發展，在精密機械工業、半導體工業、航空航天工業、交通與運輸業以及空間材料科學、微電子學和軍事科學等許多領域，需要採用懸浮技術對特定目標如精密元器件、光盤（ cd ） 、液晶片（ lcd ） 、硅基片（ wafer ） 、導航陀螺乃至列車等實現非接觸式的操作或輸運，因此，懸浮技術的發展具有重要的理論意義和實用價值。
  9. This paper puts forward the signals transmission method combining the msk technique with the radio technique of frequency modulated ultra - short waves

    文章提出了採用最小頻移鍵控（ msk ）技術與調頻超短波無線電技術相結合傳輸信號的方法。
  10. Application of radio frequency identification technique in the products storage circulation system

    射頻識別技術在倉儲物流系統中的應用
  11. Radio - frequency coupling technique

    射頻耦合技術
  12. Rfid ( radio frequency identification ) is a sort of automatic identification technique which is advancing owing to the development of the large scale integrated circuit

    射頻識別（ radiofrequencyidentification ，即rfid ）技術是隨著大規模集成電路技術的發展與成熟而逐漸興起的一項自動識別技術。
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