例如在池为空时，会发生什么呢？
当瓶子空时，你可以设置一下秒表。
当队列为空时，您在其中放置了950条消息。
调查启动为空时，在调查窗口中显示的文本。
The text to display in the survey window before the survey launches is empty.
可是，影响仅当棋盘为空时能不受妨碍地流过。
Influence can only flow unhindered if the board is empty, however.
目的提高无线宽带下行传输中分层空时编码的性能。
Aim To improve the performance of layered space-time coding (LSTC) for wideband downlink transmission.
为什么是静态变量空时，我尝试在另一个类的访问？
Why is the static variable null when I try to access it in another class?
介绍了空时码的编码和译码方法，以及设计空时码的准则。
The encoding and decoding method, as well as the design criterion are introduce .
当初始分区区段为空时，事务就被提交了，此时移动已完成。
When an original partition extent is emptied, the transaction is committed, and the move is finalized.
此包装类会在超出范围或设置为空时丢弃其到数据对象的连接。
This wrapper class drops its connection to the DataObject when it goes out of scope, or gets nulled.
如果在空时系统中沿用标准的置信度传播译码算法不太合理。
Obviously, it is not reasonable we use standard belief propagation algorithm in space time system.
空时编码技术通过空间和时间分集接收能有效增加信道容量。
Space -time coding can increase channel capacity by using the space and time diversity technique.
此外，在主题为空时，Notes会提示确认是否发送该消息。
Additionally, Notes prompts you to confirm whether or not a message should be sent with an empty subject.
不过在队列为空时，它就会从其它线程的队列中“窃取”一些元素。
However, if its queue is empty then it will steal items from another thread's queue.
本文所做的工作为硬件实现具有实用价值的空时编码提供了理论基础。
The work of this paper lays a theory foundation for future practical space time code hardware implement.
本文在相同频带利用率下将空时格码与空时发射分集的性能进行了比较。
Performance comparison of space time trellis codes and space time transmit diversity is carried out under the same bandwidth efficiency in this paper.
该文研究在频率选择性瑞利衰落信道中MC-CDMA系统的盲空时干扰抑制。
This paper investigates blind space-time interference suppression for MultiCarrier CDMA (MC-CDMA) system in frequency selective Rayleigh fading channel.
我会听到玉米被扔到卡车拖斗里的声音和野天鹅掠过十月的冷空时发出的叫声。
I hear the ears of corn hit the floor of the wagon and the music of geese crossing the cold October sky.
现在我可以为pop方法编写行为，即确保当栈在逻辑上为空时，抛出一个异常。
Now I can code the behavior for the pop method, which ensures that if the stack is logically empty, an exception will be thrown.
它最简单的使用模式便是作为一个线程安全的队列，并且在队列为空时阻塞消费者。
In its simplest mode it ACTS as a thread-safe queue in which consumers are blocked while the queue is empty.
结果表明在双金属钯催化剂上，草酸二甲酯的空时收率高于草酸二乙酯的空时收率。
The results indicated that the space time yield of DMO was higher than that of DEO over the supported palladium catalysts.
这些编码是四次群最大似然可译分布空时编码，并且功率在中继之间随时间均匀分布。
These codes are four-group ML decodable and have uniform distribution of power among the relays as well as in time.
鉴于酉空时码的独特结构，在差错概率公式中可以很容易地分析衰落相关系数矩阵带来的影响。
According to the special structure of unitary code, it is very simple to analyze the effect of fading correlation from the equation of PWEP.
针对酉空时码最大似然检测复杂度高的问题，提出了一种酉空时星座的设计及低复杂度译码方法。
A decoding algorithm based on the tree-structured constellation design was presented in order to reduce the decoding complexity of unitary space-time codes.
研究了频率选择性瑞利衰落信道中的同步MC-CDMA系统上行链路空时信道估计及多用户检测算法。
The space-time channel estimation and multiuser detection algorithm for the uplink of multicarrier CDMA (MC-CDMA) system in frequency selective Rayleigh fading channel were investigated.
空时编码包括三种：空时网格编码(STTC)、空时分层编码(LST)和空时分组编码(STBC)。
Space-time coding includes space-time trellis coding (STTC), layered space-time coding (LSTC) and space-time block coding (STBC).
然后对网格空时码（STTC）和分组空时码（STBC）的编译码原理、特点和性能进行了全面的分析；
Then the encoding and decoding theories, features and performances of STBC and STTC are detailed in all aspects.
然后对网格空时码（STTC）和分组空时码（STBC）的编译码原理、特点和性能进行了全面的分析；
Then the encoding and decoding theories, features and performances of STBC and STTC are detailed in all aspects.
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