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- RF Radio Frequency Level Controller. RF系列射頻導納式物位控制器。
- Radio frequency and communication test equipment. 射頻通信綜合測試儀。
- Radio frequency circuit design II. 射頻電路設計2。
- Vulnerable to radio frequency radiation interference. 易受射頻輻射的干擾。
- Tuner will be able to track the frequency-hopping radio frequency. 調諧器可以追蹤跳頻無線電頻率。
- Internal capacitors to suppress radio frequency interference. 內置抗電磁干擾電容。
- Transmission can be done by cable, radio frequency and satellite. 傳遞可通過海底電纜，無線電波和通信衛星來進行。
- The AGC technology in the radio frequency channel is also studied. 研究了射頻通道中的自動增益控制(AGC)技術。
- Method of insertion loss measurement for radio frequency filters. 射頻濾波器插入損耗的測量方法。
- Is rhinitis of cure of microtherm plasma radio frequency good? 低溫等離子射頻治療鼻炎能好嗎？
- Abstract: This paper describes a clock and data recovery（CDR）circuit for RFID tag, and a new phase frequency detector（PFD） is proposed for this CDR circuit for NRZ data. 文章摘要: 提出了一種適用於射頻電子標籤的時鐘數據恢複電路，在電路中提出了一種適用於NRZ數據的新型鑒頻鑒相器電路和自適應控制單元，能動態調節邊沿檢測器中延遲單元的延遲時間，使此時鐘數據恢複電路具有大的鎖定範圍，且有結構簡單易實現的特點。
- Radiated EMI is also called radio frequency interference (RFI). 輻射引起的電磁干擾，也稱為射頻干擾（RFI）。
- This thesis proposes a new digital controlled oscillator (DCO) and a new phase frequency detector (PFD) architecture for the all digital phase-locked loop (ADPLL) with low power design. 本論文提出一個新的數位控制頻率振蕩器及一個新的相位頻率偵測器之架構以設計一個低功率的全數位式鎖相迴路。
- Supporting hand-held devices, such as PDAs and radio frequency devices. 支持手持設備，例如pda和射頻設備。
- Is Radio Frequency communication 'among' automatic machines allowed? 是否允許自動機器人之間的射頻通訊?
- Read/Write device of radio frequency card in the onboard system is designed. 設計了一種車載儀系統射頻卡讀寫器;
- RFI (Radio Frequency Interference) and EMI are often used interchangeably. EMI也常常稱為RFI（射頻干擾）。
- A Low-Complexity Digital Frequency Detector 一種低複雜度的數字鑒頻器
- radio frequency spectral emission detector 射頻光譜發射檢測器
