提高功率的

This system has buildup with mosaic electric eye groupware and foldaway bracket and the electrical source controller etc, it's suit mass output power is 2 double now that is about 4W/kg, so, the weight is greatly lighten, the portable advanced, it is provided with capacious mart foreground and upper economy efficiency.

该系统由拼装式光伏电池组件、折叠式支架、电源控制器等组成，单位质量输出功率在4W/kg左右，是现有便携式太阳能电源单位质量输出功率的2倍多，大大减轻了重量，提高了它的便携性能，具有广阔的市场前景和较高的经济效益。

To the same kind of rocks, the penetration rate increases with the increases of electric bit thermal power. When electric bit thermal power keeps fixedness, the penetration rate increases in various degrees with the increases of bit load in difference rocks. Increasing the bit load is beneficial to improve the quality of glass hole wall, but the bit load should not be too big.

对于同一种岩石，钻进速度随钻头电热功率的增大而增大；当钻头电热功率不变时，根据所钻岩石岩性的不同，钻进速度随钻头轴载的增大而不同程度地增大，增加钻头轴载有利于提高玻璃状孔壁的质量，但不宜过大。

Compared with hard-switching inverter, the soft-switching inverter's power swatches turn-on at zero voltage or zero current conditions, zero switching losses in theory, which can improve the efficiency of the system and device power density, reducing the system electromagnetic interference and ensure a brushless DC motor performance and reliability.

与硬开关逆变器相比软开关逆变器的功率开关在零电压或零电流条件下导通，理论上开关损耗为零，从而可以提高系统的效率和装置的功率密度，减小系统的电磁干扰，保证了无刷直流电机的性能和可靠性。

This is the cause of the low efficiency and even self-locking for this kind of epicyclic gear train.

同时，举例证明通过减小循环功率与输出功率的比值可以适当提高这种轮系的啮合效率，从而为这类轮系的改进和设计提出了一种新方法。

We made use of Wheatstone bridge to control ratio of heating power between the samples, Thus , it enable to control and measure the differential heating power accurately. Consequently, it improves sensitivity of the system.

采用惠斯通电桥来控制两个样品间加热功率的比例，这样能够更准确控制和测量两个样品加热的功率差异，从而提高了测量的灵敏度。

A codebook is used for feedbacking power distribution vector, which can effectively reduce the feedback amount of information; the use of two codebooks are used at the same time, which can respectively feedback the power distribution vector and pre-code matrix and can improve the transmission performance of the system under the condition of limited feedback.

使用码本反馈功率分配矢量，可以有效地减少信息的反馈量。同时使用两个码本，分别反馈功率分配矢量和预编码矩阵，可以在有限反馈的条件下提高系统的传输性能。

The problem of dissipate heat is an important factor which confines the development of the high power semiconductoe laser.

中文摘要：高功率半导体激光器随着功率的日益提高其散热问题成为限制其发展的重要因素。

The problem of dissipate heat is an important factor which confines the development of the high power semiconductoe laser.

高功率半导体激光器随着功率的日益提高其散热问题成为限制其发展的重要因素。

The result indicates that radiation gain and power transmission coefficient from tag antenna to chip should be considered in the first place in order to ensure the basic reading and writing distance of the tag. The way to improve power transmission coefficient is to design the tag antenna and make sure its input impedance conjugate matching to the chip input impedance.

研究结果表明，为保证标签天线的基本读写距离，在设计标签天线时，需要首先考虑天线增益和标签天线到芯片的功率传输系数，提高功率传输系数的途径就是调整标签天线与芯片的输入阻抗并使它们尽可能实现共轭匹配。

The power loss corresponded with the current ripple is analysed, then the method to design a inductor for minimal power loss is proposed in this paper.

高效率、高功率密度、高可靠性成为开关电源发展的趋势[1-7]，而其中高效率是提高功率密度和可靠性的一个重要因素。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。