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- Objective To research on the feasibility and significance of the phase sensitive method in quantitive T1 meas-urement . 目的研究相位敏感方法應用于T1定量測量的可行性及意義。
- It is a special power supply equipment designed recently for phase sensitive track circuit in AC electrified railway. 該新型25赫小站電源屏是我廠(chǎng)最新研制的交流電氣化區段站內相敏軌道電路的專(zhuān)用供電設備。
- For each field, a zero indicates the absence of a value. 對于每個(gè)分量來(lái)說(shuō)，零表示沒(méi)有值。
- Experimental results show that the analog circuit for phase sensitive detection can effectively suppress noise. 實(shí)驗結果表明，模擬相敏檢波電路具有良好的噪聲抑制能力；
- Methods The phase sensitive method was used to remove the phase errors and restore the polarity of theinversionrecovery data . 方法采用相位敏感方法消除相位誤差,保存反轉恢復序列中磁化矢量的極性。
- We are using a Ti : sapphire laser and a high frequency phase sensitive lock-in loop to achieve time-resolved the dynamics properties of the light emitting devices. 使用鈦:藍寶石鎖模脈沖雷射、高頻相位靈敏鎖向迴路與雷射共焦掃描顯微鏡以取得發(fā)光二極體之時(shí)間解析動(dòng)態(tài)特性。
- Newly developed semi automatic grinding wheel balancer for precise grinder detects unbalance vibrative signal by digital phase sensitive detection technique. 介紹新研制成功的精密磨床砂輪半自動(dòng)平衡儀。
- Result Impedance blood flow of wrist, neck, brain and so on were detected with high SNR and simple manipulation by continuously applying phase sensitive demodulator technique. 結果經(jīng)過(guò)實(shí)驗驗證，該儀器能夠提取手腕、頸、腦等部位的阻抗血流信號，應用相干檢測技術(shù)得到了很高的信噪比，測量方便，可以進(jìn)行連續監測。
- Employing a liquid crystal modulator and CCD camera, a phase sensitive images system has been investigated experimentally for various fluorescence lifetimes. 利用液晶調制器和ccd探頭組成的熒光相位成像系統，實(shí)現了不同熒光壽命物體的熒光成像，時(shí)間分辨率達到了亞毫秒量級。
- A setting of zero indicates that ASP.NET will use its own heuristics for determining when to start reclaiming memory. 如果設置為零;則指示ASP.;NET將使用自己的試探法確定何時(shí)開(kāi)始回收內存。
- A zero indicates the position before the first row (see Using cursors in procedures and triggers). 0表示第一行前面的位置(請參見(jiàn)在過(guò)程和觸發(fā)器中使用游標)。
- A negative result indicates the first string is smaller, and zero indicates equality between the strings. 負數結果指示第一個(gè)字符串較小,而零指示兩個(gè)字符串相等。
- The effect of phase-shift between pumping and signal light on the transmission performance of dynamic-soliton system using phase sensitive amplifier (PSA) as on-line amplifiers is theoretically analyzed by computer simulation. 摘要采用計算機系統仿真方法，研究抽運光與信號光之間的相位漂移對在線(xiàn)放大器為相敏光放大器的動(dòng)態(tài)孤子傳輸性能的影響。
- Aimed at long detection distance and heavy noise disturbance in the long-distance-coefficient infrared thermoscope, a new digital phase sensitive detection method for weak signal was proposed. 摘要針對大距離系數紅外測溫儀測溫距離遠和噪聲干擾大的特點(diǎn)，提出一種微弱信號數字相敏檢測方法。
- Use ear perception of voice spectrum component of the phase sensitive to the characteristics of such speech enhancement algorithms targeted at the rate of short-term spectral estimation. 利用人耳感知對語(yǔ)音頻譜分量的相位不敏感的特性，這類(lèi)語(yǔ)音增強算法主要針對短時(shí)譜的幅度估計。
- The Improvement on the Circuit of a Zero Indicator in an AC Bridge 交流電橋示零器電路的改進(jìn)
- Aimed at long detection distance and heavy noise disturbance in the long-distance-coefficient infrared thermoscope,a new digital phase sensitive detection method for weak signal was proposed. 根據相關(guān)檢測原理,設計了由模擬開(kāi)關(guān)和低通濾波器組成的模擬相敏檢波電路,并對此電路的噪聲抑制特性進(jìn)行了分析。
- Intense electromagnetic interference while drilling prevents traditional analog phase sensitive demodulation(APSD) from correctly acquiring electromagnetic wave signal of logging while drilling(LWD). 鉆進(jìn)時(shí)產(chǎn)生的強烈電磁干擾使傳統的模擬相敏檢波(APSD)方法無(wú)法準確獲取隨鉆測井的電磁波信號。
- orthogonal phase sensitive detection 正交相敏檢波
- noiseless phase sensitive amplifier 無(wú)噪聲相敏放大器
