The direct sampling and the reciprocity method are applied to the calculation of the flux measured by a detector.
采用直接抽样法和倒易方法计算探测器的通量，得到了一致的结果。
Direct sampling microwave radiometer (DSMR) is a digital radiometer of simple structure, which directly samples radio frequency signals.
直接采样微波辐射计对射频信号直接采样，是一种结构简单的数字辐射计。
The errors of harmonic wave analysis and direct sampling in electric parameters measurement are analyzed. The method to minimize errors is presented.
分析了电力参数微机监测中的直接采样计算法与谐波分析法的误差，并提出了减小误差的方法。
The RF direct sampling scheme is used in HLS digital TBF system, and simplifies the electronics circuits and saves the cost for tuning and maintaining.
数字系统应用RF直接采样前端，简化了前端电子学线路，节约了系统成本并方便了调试和维护工作。
To satisfy the requirement of high performance signal processing technique, it is demanded to use the direct sampling of IF signal to get quadrature signals.
为满足高性能信号处理技术要求，需要直接对中频信号进行采样来得到正交双路信号。
The animal organs were ground to be very fine particles, with which suspended solution was prepared and then it was analyzed in graphite atomizer by direct sampling.
本文描述了一种直接进样原子吸收测定动物脏器中微量铅的方法。 动物脏器被预先捣碎至一定微粒，然后配置成悬浊液直接被注入石墨原子化器进行分析。
The principles of realizing quadrature coherent detector by direct sampling of bandlimited signal are discussed in this paper. They have great practical value in engineering.
本文讨论了用直接对带限中频信号进行采样的方法来实现正交相干检波的基本原理，它们在工程实际中有很大的实用价值。
The paper introduced a design and realization of direct sampling of AC Voltage and current based on a single chip micro - computer and used PLL CD4046 to realize phase Angle sampling.
本文介绍了以单片机为基础的交流电压、电流直接采样的设计与实现并用锁相环CD 4046来实现相位角的采样。
The propagation at low altitudes and the ADC noise in the RF direct sampling system taken are considered, and the main factors which affect the coverage of low altitude detection is analyzed.
考虑低空传播以及直接采样系统中adc器件的噪声，分析了低空探测时影响观测范围的主要因素。
The qualitative analysis of N polyaromatics in heavy oil was made by a double adsorption separation followed by the application of low voltage ionization and high resolution MS direct sampling.
通过两次吸附分离，然后采用低压电离，高分辨质谱直接进样技术对重馏份油中的含氮多环芳烃进行定性测定。
Advantages sof direct sampling are that areas hardest to clean and which are reasonably accessible can be evaluated, leading to establishing a level of contamination or residue per given surface area.
直接取样的好处是可以评估难以清洗和相当容易接近的区域，使得可确定每个给出的表面区域的污染物或残留物的级别。
The most desirable is the direct method of sampling the surface of the equipment.
最可取得方法是从设备表面直接取样。
Radar imaging must obtain an extent of target spatial spectral-domain sampling, and the filling of spatial spectral domain is in direct connection with the quality of imaging result.
雷达成像需要获得目标空间谱域一定范围和密度的采样以重建目标图像，目标空间谱域的填充方式与雷达成像的质量有直接关系。
Sampling undisturbed lacustrine sediment is a critical job for environmental research. The recovery and undisturbedness of samples ha ve direct effect on the environmental research results.
在湖泊环境研究中，淤泥质沉积物取样是一项很重要的工作，样品的取心率和原状性直接影响了环境研究的结果。
It was suggested that direct intermediate frequency sampling was approached by two branch sampling, otherwise digital product detector was adopted to digital interpolation.
提出用二分项采样法实现直接中频采样，而数字式检波器采用数字内插法。
The next step in improving the current test will include analysis of DNA from direct chorionic villus sampling or amniotic fluid to further reduce the TAT.
接下来，进一步减少TAT的改进措施包括从绒毛膜绒毛或羊水直接取样用于DNA分析。
An operational principle of jamming of interrupted-sampling and direct repeater based on digital radio frequency memory was introduced, and its jamming effectiveness was analyzed.
以对线性调频脉冲压缩雷达进行干扰为背景，介绍了间歇采样直接转发干扰的原理与干扰效果。
Metre wave band direct RF sampling digital receiver is introduced in this paper. Main design and implement method is explained by an example of digital receiver.
介绍了一种米波段直接射频采样数字接收机，并通过一个数字接收机的实例说明它的具体设计和实现方式。
Based on the exploration and sampling on the spot and with plenty of direct shear tests, it can be concluded that the roots can enhance the ability of resist shear strength of soil.
基于实地踏勘和取样，通过大量室内直剪试验发现根系对土壤抗剪能力的提高有一定影响。
As a key technology in digital quadrature demodulation system, the direct IF sampling filter with sharp cutting-off transition band can improve the performance of demodulation system.
中频采样是数字正交鉴相系统中的一项关键技术，具有锐截止特性的中频采样滤波器可以改善鉴相系统的性能。
Offering direct digital frequency synthesis (DDFS) based on the frequency -phase to achieve the following sampling clock.
提出基于频相的直接数字频率合成技术（DDFS）实现采样的跟随时钟。
The linear sampling circuit of direct current bus and the hysteresis voltage comparator circuit are confirmed.
确定了直流母线电压线性采样电路以及迟滞电压比较电路。
The sampling method has advantages of direct perceivable and forthright.
该方法具有直观简捷的优点。
A digital GPS PN code acquisition circuit based on direct IF sampling is presented.
文中提出了基于直接中频采样的数字化GPS接收机码捕获电路。
The linear sampling circuit of direct current bus and the hysteresis voltage comparator circuit are confirmed.
在电阻不变的直流电路中，电流和电压成正比。
Ray casting is an important algorithm in direct volume rendering, but it has the disadvantages of the large amount of computation and inefficient computation of sampling-points.
光线投射法是一种重要的体绘制算法，但直线上采样点的确定和采样值计算是非常费时的，也是影响体绘制实时性的重要因素。
Ray casting is an important algorithm in direct volume rendering, but it has the disadvantages of the large amount of computation and inefficient computation of sampling-points.
光线投射法是一种重要的体绘制算法，但直线上采样点的确定和采样值计算是非常费时的，也是影响体绘制实时性的重要因素。
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