修改“After receiving the signal at the receiver, $\mathbf{y}$ needs to multiply $e^{-j\theta_1}$ before entering the channel decoder to alleviate the effects from physical channels and make the processed signal as close as possible to the transmitted signal.”使其更加native,easy to read,简短清晰,符合technical paper的风格
时间: 2024-04-23 16:26:24 浏览: 52
After the receiver receives the signal, it must be multiplied by $e^{-j\theta_1}$ before entering the channel decoder. This helps to mitigate the effects from the physical channels and bring the processed signal as close as possible to the original transmitted signal.
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Do you want to continue?([Y]es/[N]o): Yes Upgrading the following packages: ros-melodic-desktop_full By upgrading, you accept licenses for the packages. Unable to load the service index for source https://roswin.azure.azurewebsites.net/api/v2. Unable to connect to source 'https://roswin.azure.azurewebsites.net/api/v2': 未将对象引用设置到对象的实例。 ros-melodic-desktop_full was not found with the source(s) listed. If you specified a particular version and are receiving this message, it is possible that the package name exists but the version does not. Version: ""; Source(s): "https://roswin.azure.azurewebsites.net/api/v2;https://community.chocolatey.org/api/v2/" Chocolatey upgraded 0/1 packages. See the log for details (c:\opt\chocolatey\logs\chocolatey.log). Warnings: - ros-melodic-desktop_full - ros-melodic-desktop_full was not found with the source(s) listed.这个报错是什么意思?
这个报错提示说无法从指定的网址 https://roswin.azure.azurewebsites.net/api/v2 加载服务索引。可能是由于网络连接问题或者该网址不存在导致的。此外,还提示说无法找到名为 ros-melodic-desktop_full 的软件包。如果您指定了特定的软件包版本并收到此消息,则可能存在该软件包名称但不存在该版本。
Process: com.android.systemui, PID: 12501 C1C4B8B 06-09 16:11:31.132 12501 12501 E AndroidRuntime: java.lang.RuntimeException: Error receiving broadcast Intent { act=android.net.conn.CONNECTIVITY_CHANGE flg=0x4200010 (has extras) } in com.android.systemui.qsview.signal.SignalUtils$1@dbb3275 C1C4B8B 06-09 16:11:31.132 12501 12501 E AndroidRuntime: at android.app.LoadedApk$ReceiverDispatcher$Args.lambda$getRunnable$0$android-app-LoadedApk$ReceiverDispatcher$Args(LoadedApk.java:1830) C1C4B8B 06-09 16:11:31.132 12501 12501 E AndroidRuntime: at android.app.LoadedApk$ReceiverDispatcher$Args$$ExternalSyntheticLambda0.run(Unknown Source:2) C1C4B8B 06-09 16:11:31.132 12501 12501 E AndroidRuntime: at android.os.Handler.handleCallback(Handler.java:942) C1C4B8B 06-09 16:11:31.132 12501 12501 E AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:99) C1C4B8B 06-09 16:11:31.132 12501 12501 E AndroidRuntime: at android.os.Looper.loopOnce(Looper.java:201) C1C4B8B 06-09 16:11:31.132 12501 12501 E AndroidRuntime: at android.os.Looper.loop(Looper.java:288) C1C4B8B 06-09 16:11:31.132 12501 12501 E AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:8061) C1C4B8B 06-09 16:11:31.132 12501 12501 E AndroidRuntime: at java.lang.reflect.Method.invoke(Native Method) C1C4B8B 06-09 16:11:31.132 12501 12501 E AndroidRuntime: at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:703) C1C4B8B 06-09 16:11:31.132 12501 12501 E AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:911) C1C4B8B 06-09 16:11:31.132 12501 12501 E AndroidRuntime: Caused by: java.lang.IllegalStateException: Pid 12501 has exceeded the number of permissible registered listeners. Ignoring request to add.
这是一个Android运行时异常,它指示您的应用程序中有太多的监听器。在Android系统中,每个应用程序都有一个最大监听器数限制,以防止应用程序过度使用系统资源。
要解决此问题,您可以尝试以下步骤:
1. 确认您的应用程序是否注册了多个监听器。如果是,请尝试减少注册数量。
2. 如果您的应用程序使用了第三方库,请检查库中是否存在注册监听器的代码,并尝试通过升级库或更改代码来解决问题。
3. 如果您的应用程序使用了多个线程,请确保每个线程都没有注册太多的监听器。
4. 如果您仍然无法解决问题,请尝试在应用程序中使用更高级的事件处理方法,例如使用RxJava或LiveData等库。
总之,您需要检查您的代码中是否有过多的监听器注册。如果您无法解决问题,请咨询Android开发社区以获取更多帮助。
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