查询词典 Signal-to-Noise

FULL-WAVE RECTIFIER, An electronic circuit which changes an alternating current signal into a pulsating direct current signal.

全波整流器，用来将交流电信号变成脉冲直流电信号的电路。

Based on discussing the fundamental topology of a neural net for signal analysis and synthesis in mathematical way, a complete structure for adaptive signal analysis was implemented with modified functional-link net.

在此基础上，用NNAS方法对语音信号进行了分析与合成实验，在高压缩率的情况下，仍能得到很高清晰度的合成语音。

In view of universality, function generator with the core of high speed MCU uses the chips of DDS and FPGA. On the basis of generating routine sine wave, it can modulate signal frequency and range. At the same time function generator can generate binary PSK and ASK signal.

考虑到通用性，信号发生器以高速单片机为核心，利用DDS芯片和FPGA，在产生常规正弦波的基础上，还可以对信号进行频率调制和幅度调制；同时还能产生二进制PSK、ASK信号。

It is a computer control system with the high speed DSP single-chip computer TMS320VC33.The count functions of the signal of accelerometers and the signal of odometer have been designed with CPLD,and the communication functions have been achieved with peripheral equipment.

整个系统是以数字信号处理单片机TMS320VC33为核心的单CPU结构的计算机系统，CPLD的设计主要是实现对加速度计和里程表的输出信号的计数及实现DSP与外部的通信。

In the design with high-speed signal transmission, the matching of impedance would impact the quality of the signal.

在高速讯号传输的设计中，阻抗的匹配与否关系到信号的质量优劣。

The middling or high signal was showed for cartilage in T2WI. The hoariness signal was showed for cartilage in T2*/C/RF-FAST/VOL and T2*/T /FE/MTC/MAST.

软骨对脂肪CNR"极佳"的有T1WI、T2*/C/RF-FAST/VOL、T2*/T/FE/MTC/MAST和T1/C/ FSE /C+；"良好"的有T2WI；"一般"的有STIR / T/FSE/PSAT。

The improvement of the determined equipment was including:(1) adoption of the 635nm laser lamp-house whose homochromatism is good;(2) continual feeding device used the auto-feeding device based on the gravity potential energy theory;(3) absorbing pool is the 126μL micro- absorbing pool;(4) signal sensor used silicon electric eye;(5) the photocurrent signal was amplified by single route.

其中对检测装置的改进主要包括：(1)采用单色性良好的635nm的激光光源；(2)连续进样装置采用重力势能原理自动进样器；(3)吸收池采用126微升微量吸收池；(4)信号检测器采用硅光电池；(5)对光电流采用单路信号放大。

The scheme has two parts: network transmission of the hydrophone array signal and cluster signal processing.

该方案分为水听器阵列信号的网络传输和计算机集群处理两个部分。

Hyperostosis, dense homogeneous enhancement, dural tail, isointense signal in T1 and T2-weighted images are seen in meningiomas [2,3]. Aneurysms commonly show homogeneous enhancement on CT, however the signal intensity in MRI is more heterogeneous.

骨皮质增厚，均匀强化、脑膜尾征、T1和T2等信号都可见于脑膜瘤，动脉瘤在CT上也可以表现为均匀强化，然而在MRI上信号强度是更混杂的。

There were slight hypo signal before pregnant 29 weeks and iso signal after pregnant 29 wee...

脑室信号在SE序列的所有加权上均呈低信号。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。