单频的

According to the theory of first-order Born approximation,a Fourier Domain Optical Coherence Tomography model of single scattering infinite narrow beam is established,and the reason why it is hard to obtain the exact solution of integrated scattering equation is analyzed.

选择多层介质作为样品，根据波恩一阶近似理论建立了单次散射的无限细直光束频域OCT模型，并分析了散射积分方程很难得到精确解的原因。

Comparing to other Per Carrier technologies, Viterbi decoder has its own specialties in OFDM system, it means frequency domain response coefficient obtained under the condition of channel equalization can provide decoding algorithm with weight for decision, which is called CSI Viterbi Algorithm.

与其他单载波调制技术相比，OFDM系统巾的Viterbi译码有其特别之处。可以根据在信道均衡时所得到的信道频域响应系数为译码算法提供判决权重，被称为CSI Viterbi译码算法。

Methods:Normal frequency ventilation of high frequency jet respirometer was used to control breath continuously for 31 cases without autonomous breath,the ventilation frequency:16～20 times/min with continuous ventilation time 12～72 hours.

结果：通气1h后PaO2（15.92±2.50）kPa，PaCO2（5.90±0.76）kPa；通气24h后PaO2（14.76±3.21）kPa，PaCO2（6.11±0.84）kPa。在Ⅱ型呼吸衰竭，常频与高频通气交替应用比单用高频通气辅助呼吸，其提高血氧分压的疗效优越（P＜0.001），且可防止高碳酸血症。

This paper introduces the design method and technologies of single-ended frequency response test adopted in xDSL analyzer.

本文介绍了xDSL测试仪中的单端频响测试设计方法和技术。

This paper mainly discusses the analysis and design of a finline single-ended mixer and detector.

本文描述了Ka波段鳍线单端混频器和检波器的分析与设计。

Communications functions range from basic ultrahigh/very high frequency to single channel ground and airborne radio system and Have Quick. The aircraft also supports several datalinks for communications and situational awareness such as Link 16 and a specialized multi-array datalink for stealthy communications between aircraft.

通信系统功能有甚高频/超高频频段通信，单通道空地无线电系统以及"Have Quick"跳频通信。F-35还支持多种通信和战场感知数据链，例如16号链以及一条用于战机间保密通信的多阵列数据链。

Common fault components and differential fault components are introduced into the algorithm to uncouple mutual electromagnetic coupling effect between two parallel circuits.

基于反序故障网络和故障边界条件，本文提出了一种利用双回线单端工频电流量的同杆双回线准确测距新算法。

These HBM is used to predict the resonant response of a frictionally constrained two degree of freedom oscillator.

故当激振力为单谐波函数时，进行两自由度系统受迫振动响应分析无论使用频域法还是时域法都能得到一致的结果。

Results The radiofrequency catheter ablation combined with coronary artery angiography was successfully performed in all patients, including sixteen patients with paroxysmal supraventricular tachycardia, three patients with idiopathic left ventricular tachycardia and two patients with frequency monomorphic ventricular premature beats.

结果 本组所有患者均成功完成冠状动脉造影术与射频消融术的联合介入治疗，其中阵发性室上性心动过速16例、特发性左室室性心动过速3例，频发单形性室性早博2例。

Several typical cavities containing gratings, etalons and resonant reflector as frequency selective elements are studied.

对包括有单、双光栅、标准具和谐振反射器等选频元件的几种典型腔进行了研究。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷