signal intensity

The shape, size and signal intensity of pituitary glands of 103 cases of normal individuals ( 53 cases of males and 50 cases of females) were studied by using MRI.

本文应用MRI观察了103例正常成人（男53例、女50例）垂体腺的形态、大小和信号强度特征。

According to the working characteristic of the pulse Doppler radio fuze, the clutter model is built up, the clutter signal intensity impact factors are analyzed and a method of clutter signal intensity in the cell of fuze distance-Doppler frequency is brought forward.

结合脉冲多普勒引信工作特点，对杂波进行了建模，分析了影响杂波信号强度的因素，提出了按照引信距离多普分辨单元进行杂波信号强度分析的方法。

The signal current increases linearly with light intensity, r is about 0.95. The dark current is about 1-3 nA at operating target voltage.

信号电流随照度线性增加，γ值约为0.95。在工作电压下暗电流约为1&3nA。

However, continuously increasing H2O content to a certain extent could decrease the signal intensity.

但增加到一定程度后信号强度会降低。

The abnormal high signal intensity area of DWI became enlarged with the time coursing.

dwi上的异常高信号区随时间推移,逐渐增大.

MR showed low signal intensity on T ? 1 WI and iso ? signal intensity on T ? 2 WI.

MRI表现为SE序列T1加权低信号,T2加权等信号.

High signal intensity of the lipoma was turned into low signal intensity by fat suppression technique.

通过脂肪抑制技术高信号转变为低信号。

The relationship between the serum creatinine level and signal intensity value was analyzed.

分析血肌酐量与MR信号强度的关系。

Results Of all 24 lesions, the signal intensity was variant on T 1 WI an T 2 WI.

结果　病灶在T1WI和T2WI上信号多变.

Conclusion: US has little value for those lesions. CT and MRI can show better about those lesions' location, range, appearance, density and signal intensity. Multislice images and signal changes made MRI to be more valuable for diagnosis accu ˉ racy.

结论超声的诊断价值有限，CT和MRI显示病变的位置、范围、形态、密度和信号较佳，多断面成像和信号变化使MRI在诊断中更有价值。

Experimental Study of Fluid Flow Velocity and Signal Intensity Measured by Phase-contrast Cine MRI

MRI电影相位对比法液体流速与信号强度的实验研究

In this paper, the dressed atom approach is used to discuss gain, small signal gain, saturation light intensity, threshold condition and stable light intensity of CW degenerate quantum-beat laser.

采用饰缀（dressed）原子方法，讨论了被共振微波场驱动的三能级原子系统简并量子拍频激光器的增益系数，小信号增益系数、饱和光强、阈值条件和稳态光强。

Time signal intensity curve;

时间信号强度曲线；

In MLR with artificial APC, signal one ( DR7) alone could stimulate T cell proliferation at a certain threshold intensity.

人工APC介导的MLR显示，仅有第一信号（DR7）时也可以使T细胞增殖，但需要达到一定的信号强度；

Objective: To discuss MR characteristics of marrow conversion of cranial bone and lumbar spine and to assess the diagnostic value of relative signal intensity ( RSI) in some bone marrow diseases.

目的：从定量角度探讨MRI上颅骨与腰椎骨髓转化特点并评估骨髓相对信号强度（RSI）的诊断价值。

The anterior and posterior cruciate ligaments are intact with normal signal intensity.

前,后十字韧带完好无损正常的信号强度.

The photometric signal-to-noise ratio is roughly proportional to the square root of the signal intensity.

光度计的信噪比与信号强度的平方根粗略成比例.

MRI exhibited signal intensity of acute and subacute or chronicity premature hematoma.

MRI显示为急性期血肿和亚急性期血肿或慢性早期血肿信号。

Results: The clinical features of PVNS included articular engorgement and pain associated with hydrarthrosis, decreased signal intensity on both T1-and T2-weighted MRI, and rust-like staining in synovium.

结果：PVNS以膝关节肿痛伴有咖啡色关节积液、MRI检查（T1和T2加权像）滑膜的低密度信号、滑膜内含有铁锈样色素斑等改变为临床特征；

The injured ligaments displayed discontinuity, displacement, and marginal haziness, swelling with high signal intensity.

韧带损伤MRI表现为韧带连续性中断，断端移位，边缘模糊，局灶性或弥漫性肿胀，信号增高。

The experimental results show that both plasma radiation intensity and lines signal-to-background ratio increases distinctively along with rising the pressure for sample preparation; the more symmetrical and exquisite of sample surface, the more obvious of enhancement effect on the plasma radiation.

结果表明，随着制备样品所施加压强的提高，等离子体辐射强度和光谱信背比都有不同程度的提高；样品表面粒度越均匀越细腻，等离子体辐射增强效果越明显。

In the case of the noises modulated by the bias signal, the stochastic resonance of a single-mode laser driven by two colored noises with time period modulation correlation intensity is investigated.

在噪声受偏置信号调制的情况下，讨论色噪声之间的关联受时间周期调制所驱动的单模激光系统中的随机共振。

The signal intensity of pituitary gland in both groups was measured by using same size ROI.

用相同大小感兴趣区测量垂体信号强度，对其测量结果进行比较。

MR Imaging Manifestations of Congenital Intracranial Tumors Containing High Signal Intensity on T_1 WI and Their Pathological Bases

含短T1信号的颅内先天性肿瘤的MRI表现及信号的病理基础

Bright means high signal intensity, dark means low, and interm. means intermediate.

亮指高强度信号, 暗指低强度信号, 中等指中等强度信号.

The pattern of functional activity followed a topographic representation: hand movements resulted in signal intensity changes over the lateral middle section of the primary motor cortex, whereas shoulder movements produced changes in the meddle-upper section of the primary motor cortex near the interhemispheric fissure.

激活区分布遵循躯体分布模式：手部运动激活区在初级运动皮层中段最靠近外侧，而肩部运动在初级运动皮层中上段产生信号变化，最靠近中线。

Fig. 2 High signal intensity in the corticospinal tract on T 2-weighted images of Case 3.

图2. 病例3患者于T2像上见皮质脊髓束区高信号病灶.

The procedures to design models of channel phase deviation compensation, data acquisition, vibration intensity calculation, signal processing and vibration intensity visualization are discussed.

重点阐述了通道相位差计算、数据采集、振强计算、振强可视化几个主模块的设计方法。

The Polarization of Reflected Light and Refracted Light and the Amount of the Polarization; Effects of time period modulation of the noise correlation intensity and bias signal modulation of the noise on stochastic resonance of a single-mode laser

反射光及折射光的偏振状态和偏振度偏置信号调制下噪声关联的周期调制对单模激光随机共振的影响

The current study was designed to investigate the role of signal intensity ratio ( SIR) of MR Imaging in the characteristic diagnosis and tumor burden evaluation in leukemia by separately measurement of spinal marrow SIR in LL and ML.

本研究分别测量LL与ML脊柱骨髓MRI信号强度比（signalintensityratio，SIR），探讨MRI定量测量在白血病组织学定性诊断（LL与ML）及肿瘤负荷评价中的作用。