目的:对比分析3.0 T MRI上IDEAL,3D-FIESTA-c,STIR序列在臂丛神经显示中的表现,确定最佳扫描方案.材料与方法对20名健康志愿者行双侧臂丛神经MR 冠状位扫描,扫描序列包括IDEAL 序列及对比3D-FIESTA-c,STIR序列.3种序列通过主观观察评分,客观测量计算SNR,CNR两方面进行对比.结果 IDEAL序列具有稳定可靠的脂肪抑制能力,可...
(ms)FOV(cm)NEXMatrixsizethickness(mm)IDEALT2300085-282320*1921.6STIR580036180284320*1921.6表226例患者臂丛神经节后段主观评分及SNR、CNR序列主观评分信噪比(SNR)对比噪声比(CNR)IDEAL2.38±0.6850.97±5.1529,93±1.84STIR1.99±0.6128.94±14.6917.97±9.39Pvalue<0.050.0000.000IDEAL序列可以获得满意的臂丛神经节后...
Classical musicians are often exposed to sound levels that exceed the Finnish national action limit value of 85 dB(A). Still, the use of hearing protectors is uncommon among musicians. The purpose of this study was to find out musician's... H Laitinen - 《Noise & Health》 被引量: 90发...
文章目录语法说明示例将 AWGN 添加到锯齿信号AWGN 信道中的常规 QAM 调制用 RandStream 产生可重复的 AWGN输入参数`in` - 输入信号`snr` - 信噪比(SNR)`signalpower` - 信号功率`randobject` - 随机数流对象`seed` - 随机数生成器种子`powertype` - 信号功率单元输出参数`out` - 输出信号提示扩展功能C/ ...
pelvis) were selected for MRI examination, and routine sequence scans and FS and IDEAL sequence scans were performed. The intensity of the region of interest signal was obtained by software on the obtained images signal to noise ratio (SNR) ...
Results and Discussion iCennhvcaeasrptasigucatlateetridoizntaheetximopneorroipmfheNonlatosYgbyFy4a:tnThdme cX3r+Ry,sDYtabal3ns+tdr-uTlcEotuMardeteeodcfhoansii-lq-scuyonesrt.heBepsaioszeleyddeoNlneacNYtFPro4s:lTXymRte3D+n,pYaabnt3to+ercNnaPpmsseuianlsteuesnr.ed medeWnfteosrhaatnhvdee...
snr = 30;% In dBrxWaveform = awgn(txWaveform,snr); Recover data bits from the received Bluetooth LE waveform. Check for the number of bit errors in the recovered bits. The returned value indicates that the function successfully decodes the Bluetooth LE waveform. ...
According to the signal intensity (SI) measurements, the uniformity of fat suppression, contrast between tumor lesions and subcutaneous fat tissue, and signal-to-noise ratio (SNR) were compared by the paired t-test. Results: Compared to the T1WI-IDEAL sequence, LAVA-Fle...
SNR: 100 dB Frequency Response: 2Hz to 70kHz Wireless:Bluetooth ver 4.2(codec support includesAAC, aptX, aptX HD, SBC, LDAC,LHDC) Physical Connectivity 1 HDMI (ARC/eARC) 2 digital (SPDIF Coax and Optical) 1 USB 2 RCA line inputs, ...
Liu et al. [31] have performed simulations and experiments to demonstrate the higher performance of a so called “differential” configuration of HCP in comparison to the standard configuration in terms of output impedance, SNR and compliance. These benefits are obtained by floating the load. This...