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at half maximum
Vertaling van "at half maximum" in Chinees
半高全宽
When measuring samples which have curved surfaces, such as pharmaceutical tablets and ball bearings, various effects are seen due to the curvature, such as shifting of the diffraction angle and widening of the full width at half maximum.
例如，在测定药片和滚珠等具有曲率平面的样品时，可以看到由于曲率的影响衍射角度发生了偏移，半高宽也随之变宽等。
Fig. 1 shows a comparison of the X-ray diffraction profiles of LaB6 powder when the Soller slit is changed, and Table 1 shows the intensity ratios, and the full width at half maximum (FWHM), which varies proportionally with resolution.
图1为使用常规焦点光管和细焦点光管测得的衍射谱图比较，而表1中展示了强度和分辨率成比例关系的半高宽的比较。
Table 1: Differences in intensity ratio and full width at half maximum due to differences in
表1： 根据焦点尺寸差异的强度比和半高宽
The X-ray tube is a key component of an X-ray source. An X-ray tube used for a compact nanosecond pulsed X-ray source is described in this paper. The X-ray tube is a sealed transmission target X-ray diode. Its cathode is acomb structure formed from thin tungsten sheets with thickness of 50 μm, while its target is made of a 100 μm-thick titanium film. The X-ray dose at a distance of 20 cm from the diode is 20 mR per pulse while the diode voltage is 512 kV. In this case, the full width at half maximum of the X-ray pulse is about 5 ns.
通过等离子体建模仿真及物理实验结合的方式验证了激光触发伪火花开关的可行性。分别使用波长266 nm和532 nm的激光，对激光触发伪火花开关的最低激光触发能量、阳极着火延迟时间和时间跳动三项参数进行测试。在非聚焦模式下，仅调整激光能量，测得开关在波长266 nm激光触发下，最低触发能量为15 mJ，该触发能量下，阳极着火延迟时间约为340 ns，时间跳动约为40 ns；在波长532 nm激光触发下，最低触发能量为83 mJ，该触发能量下，阳极着火延迟时间约为420 ns，时间跳动约为60 ns。在维持实验平台不变的情况下，仅对入射激光进行聚焦，测得波长266 nm激光触发下，最低触发能量为4 mJ，当触发能量8 mJ时，阳极着火延迟时间190 ns，开关时间跳动小于1 ns；波长532 nm激光触发下，最低触发能量为6 mJ，当激光触发能量为8 mJ时，阳极着火延迟时间240 ns，开关时间跳动小于1 ns。
The full width at half maximum of the correlation waveform of the central portion is 290 femtoseconds, and a full width at half maximum of the generated light pulses is evaluated as 190 femtoseconds when a convolution factor 0.65 of the self-correlation function of the sech2 type function is used.
sech2型函数的自相关函数采用0.65的卷积因数时，中心部分的相干波形的半高全宽为290飞秒，生成的光脉冲的半高全宽估计为190飞秒。
Under the conditions of the reverse bias voltage Vsa = -7 volts, and the gain current I = 130 milliamperes, a result of obtaining a relationship between the distance L and the full width at half maximum of the light pulses is shown in Fig. 9A, and a result of obtaining a relationship between the group velocity dispersion and the full width at half maximum of the light pulses is shown in Fig. 9B.
9A显示了反向偏压Vsa＝-7伏，增益电流I＝ 130毫安的条件下距离L与光脉冲的半高全宽之间的关系结果，图9B显示了群速度色散与光脉冲的半高全宽之间的关系结果。
The full wave at half maximum (FWHM) of the pulse generated by EAM under the microwave modulation of 2.5GHz is 30.8ps, whose shape is close to that of the sech~2-type pulse.
在2.5GHz微波调制下测量得到，电吸收调制器产生的光脉冲半极大全宽为30.8ps，波形接近sech~2型，频率啁啾约3.8GHz。
Full width at half maximum of the individual transient.
单次瞬变半峰值的全宽。
The full width at half maximum of the conductivity peak is measured.
检测在电导率峰值半最大处的全宽。
Accordingly, the full width at half maximum of light that can be oscillated is reduced, so as to reduce a wavelength range (namely, the full width at half maximum of the oscillation spectrum).
从而使能够振荡的光的半值全宽减少，使波长范围（也就是，振荡光谱的半值全宽）减少。
Light pulses having the pulse full width at half maximum of the minimum value are transmitted through the wavelength selecting means 200, and only a short wavelength component is extracted, thereby obtaining a correlation waveform indicating clean light pulses without skirts.
具有脉冲半高全宽最低值的光脉冲通过波长选择装置200传输，仅提取短波长分量，从而获得代表无边界的纯光脉冲的相干波形。
In addition, in a dispersion compensation amount larger than the minimum dispersion compensation amount, a variation in the pulse full width at half maximum with respect to the dispersion compensation amount is smaller than a variation in the pulse full width at half maximum in a range of a dispersion compensation amount smaller than the minimum dispersion compensation amount.
另外，在大于最低色散补偿量的色散补偿量中，脉冲半高全宽相对于色散补偿量的变化小于脉冲半高全宽在小于最低色散补偿量的色散补偿量的范围中的变化。
The full width at half maximum for the profile plot is 280 microns.
在分布曲线的半高处的全宽为280微米。
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